octave: libinterp/corefcn/sighandlers.cc annotate

annotate libinterp/corefcn/sighandlers.cc @ 21609:46f059de4dce

use namespace instead of struct with static members for system call wrappers * oct-syscalls.h, oct-syscalls.cc: Use octave::syscalls namespace instead of struct with static members. Change all uses.

author	John W. Eaton <jwe@octave.org>
date	Mon, 11 Apr 2016 14:39:02 -0400
parents	40de9f8f23a6
children	aba2e6293dd8

rev	line source
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	1 /*
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	2
19697 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 18461 diff changeset	3 Copyright (C) 1993-2015 John W. Eaton
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	4
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	5 This file is part of Octave.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	6
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	7 Octave is free software; you can redistribute it and/or modify it
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	8 under the terms of the GNU General Public License as published by the
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	9 Free Software Foundation; either version 3 of the License, or (at your
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	10 option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	12 Octave is distributed in the hope that it will be useful, but WITHOUT
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	15 for more details.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	16
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	17 You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	18 along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6653 diff changeset	19 <http://www.gnu.org/licenses/>.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	20
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	21 */
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	22
240 a99f28f5e351 [project @ 1993-11-30 20:24:36 by jwe] jwe parents: 1 diff changeset	23 #ifdef HAVE_CONFIG_H
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	24 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	26
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	27 #include <cstdlib>
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	28
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3343 diff changeset	29 #include <iostream>
1344 c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	30 #include <new>
c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	31
834 44ce29d8cb7b [project @ 1994-10-19 18:17:44 by jwe] jwe parents: 635 diff changeset	32 #include <sys/types.h>
44ce29d8cb7b [project @ 1994-10-19 18:17:44 by jwe] jwe parents: 635 diff changeset	33 #include <unistd.h>
1343 94bedeb289e5 [project @ 1995-09-04 00:29:21 by jwe] jwe parents: 1315 diff changeset	34
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	35 #include "cmd-edit.h"
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5451 diff changeset	36 #include "oct-syscalls.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	37 #include "quit.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	38 #include "singleton-cleanup.h"
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	39
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	40 #include "debug.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	41 #include "defun.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	42 #include "error.h"
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	43 #include "input.h"
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	44 #include "load-save.h"
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	45 #include "oct-map.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	46 #include "pager.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	47 #include "pt-bp.h"
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	48 #include "pt-eval.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	49 #include "sighandlers.h"
21192 a2ee71d42a06 * sighandlers.cc: Include siglist.h. John W. Eaton <jwe@octave.org> parents: 20956 diff changeset	50 #include "siglist.h"
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	51 #include "sysdep.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	52 #include "syswait.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	53 #include "toplev.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	54 #include "utils.h"
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	55 #include "variables.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	56
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	57 // Nonzero means we have already printed a message for this series of
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	58 // SIGPIPES. We assume that the writer will eventually give up.
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	59 int pipe_handler_error_count = 0;
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	60
3018 5708b8bb4f06 [project @ 1997-06-03 21:48:05 by jwe] jwe parents: 2931 diff changeset	61 // TRUE means we can be interrupted.
5708b8bb4f06 [project @ 1997-06-03 21:48:05 by jwe] jwe parents: 2931 diff changeset	62 bool can_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	63
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	64 // TRUE means we should try to enter the debugger on SIGINT.
15595 6e780fb15c14 Make Vdebug_on_interrupt not be static Max Brister <max@2bass.com> parents: 15195 diff changeset	65 bool Vdebug_on_interrupt = false;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	66
14889 577df411e0c7 rename octave-core file to octave-workspace John W. Eaton <jwe@octave.org> parents: 14861 diff changeset	67 // Allow users to avoid writing octave-workspace for SIGHUP (sent by
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	68 // closing gnome-terminal, for example). Note that this variable has
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	69 // no effect if Vcrash_dumps_octave_core is FALSE.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	70 static bool Vsighup_dumps_octave_core = true;
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	71
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	72 // Similar to Vsighup_dumps_octave_core, but for SIGTERM signal.
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	73 static bool Vsigterm_dumps_octave_core = true;
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	74
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	75 // List of signals we have caught since last call to octave_signal_handler.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	76 static bool octave_signals_caught[NSIG];
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	77
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	78 // Forward declaration.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	79 static void user_abort (const char *sig_name, int sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	80
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	81 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	82
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	83 #define WIN32_LEAN_AND_MEAN
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	84 #include <windows.h>
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	85
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	86 class
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	87 w32_interrupt_manager
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	88 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	89 public:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	90 ~w32_interrupt_manager (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	91 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	92 if (thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	93 CloseHandle (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	94 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	95
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	96 static bool init (void) { return instance_ok (); }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	97
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	98 static void octave_jump_to_enclosing_context (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	99 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	100 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	101 instance->do_octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	102 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	103
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	104 static void user_abort (const char *sig_name, int sig_number)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	105 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	106 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	107 instance->do_user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	108 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	109
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	110 static void raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	111 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	112 if (instance_ok ())
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	113 instance->do_raise_sigint ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	114 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	115
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	116 private:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	117 w32_interrupt_manager (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	118 : thread (0), thread_id (0)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	119 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	120 thread_id = GetCurrentThreadId ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	121
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	122 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	123 GetCurrentProcess (), &thread, 0, FALSE,
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	124 DUPLICATE_SAME_ACCESS);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	125 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	126
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	127 static void octave_jump_to_enclosing_context_sync (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	128 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	129 #ifdef _MSC_VER
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	130 _fpreset ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	131 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	132 ::octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	133 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	134
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	135 void do_octave_jump_to_enclosing_context (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	136 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	137 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	138
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	139 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	140 octave_jump_to_enclosing_context_sync ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	141 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	142 {
18461 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	143 // 64-bit Windows does not appear to have threadContext.Eip.
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	144 // Something else must be done here to allow interrupts to
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	145 // properly work across threads.
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	146
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	147 #if ! (defined (__MINGW64__) \|\| defined (_WIN64))
9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	148
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	149 CONTEXT threadContext;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	150
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	151 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	152 threadContext.ContextFlags = CONTEXT_CONTROL;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	153 GetThreadContext (thread, &threadContext);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	154 threadContext.Eip = (DWORD) octave_jump_to_enclosing_context_sync;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	155 SetThreadContext (thread, &threadContext);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	156 ResumeThread (thread);
18461 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	157 #endif
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	158 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	159 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	160
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	161 void do_user_abort (const char *sig_name, int sig_number)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	162 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	163 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	164
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	165 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	166 ::user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	167 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	168 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	169 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	170 ::user_abort (sig_name, sig_number);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	171 ResumeThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	172 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	173 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	174
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	175 void do_raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	176 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	177 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	178
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	179 if (is_interrupt_thread)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	180 ::raise (SIGINT);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	181 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	182 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	183 SuspendThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	184 ::raise (SIGINT);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	185 ResumeThread (thread);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	186 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	187 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	188
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	189 static bool instance_ok (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	190 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	191 bool retval = true;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	192
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	193 if (! instance)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	194 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	195 instance = new w32_interrupt_manager ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	196
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	197 if (instance)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	198 singleton_cleanup_list::add (cleanup_instance);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	199 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	200
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	201 if (! instance)
20956 850e3d2533d4 maint: Eliminate more useless statements after error(). Rik <rik@octave.org> parents: 20945 diff changeset	202 error ("unable to create w32_interrupt_manager");
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	203
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	204 return retval;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	205 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	206
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	207 static void cleanup_instance (void) { delete instance; instance = 0; }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	208
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	209 private:
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	210 // A handle to the thread that is running the octave interpreter.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	211 HANDLE thread;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	212
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	213 // The ID of the thread that is running the octave interpreter.
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	214 DWORD thread_id;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	215
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	216 static w32_interrupt_manager* instance;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	217 };
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	218
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	219 w32_interrupt_manager* w32_interrupt_manager::instance = 0;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	220
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	221 void w32_raise_sigint (void)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	222 {
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	223 w32_interrupt_manager::raise_sigint ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	224 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	225
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	226 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	227
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	228 // Signal handler return type.
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	229 #ifndef BADSIG
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	230 # define BADSIG (void (*)(int))-1
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	231 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	232
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	233 // The following is a workaround for an apparent bug in GCC 4.1.2 and
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	234 // possibly earlier versions. See Octave bug report #30685 for details.
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	235 #if defined (__GNUC__)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	236 # if ! (__GNUC__ > 4 \
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	237 \|\| (__GNUC__ == 4 && (__GNUC_MINOR__ > 1 \
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	238 \|\| (__GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ > 2))))
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	239 # undef GNULIB_NAMESPACE
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	240 # define GNULIB_NAMESPACE
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	241 # warning "disabling GNULIB_NAMESPACE for signal functions -- consider upgrading to a current version of GCC"
fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	242 # endif
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	243 #endif
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	244
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	245 #define BLOCK_SIGNAL(sig, nvar, ovar) \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	246 do \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	247 { \
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	248 GNULIB_NAMESPACE::sigemptyset (&nvar); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	249 GNULIB_NAMESPACE::sigaddset (&nvar, sig); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	250 GNULIB_NAMESPACE::sigemptyset (&ovar); \
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	251 GNULIB_NAMESPACE::sigprocmask (SIG_BLOCK, &nvar, &ovar); \
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	252 } \
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	253 while (0)
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	254
20791 f7084eae3318 maint: Use Octave coding conventions for #if statements. Rik <rik@octave.org> parents: 20428 diff changeset	255 #if ! defined (SIGCHLD) && defined (SIGCLD)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	256 # define SIGCHLD SIGCLD
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	257 #endif
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	258
ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	259 #define BLOCK_CHILD(nvar, ovar) BLOCK_SIGNAL (SIGCHLD, nvar, ovar)
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	260 #define UNBLOCK_CHILD(ovar) GNULIB_NAMESPACE::sigprocmask (SIG_SETMASK, &ovar, 0)
11525 ab231f944252 avoid exposing gnulib:: in header files John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	261
10142 829e69ec3110 make OCTAVE_QUIT a function Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	262 // Called from octave_quit () to actually do something about the signals
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	263 // we have caught.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	264
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	265 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	266 octave_signal_handler (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	267 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	268 // The list of signals is relatively short, so we will just go
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	269 // linearly through the list.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	270
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	271 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	272 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	273 if (octave_signals_caught[i])
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	274 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	275 octave_signals_caught[i] = false;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	276
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	277 switch (i)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	278 {
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	279 #ifdef SIGCHLD
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	280 case SIGCHLD:
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	281 {
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	282 volatile octave_interrupt_handler saved_interrupt_handler
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	283 = octave_ignore_interrupts ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	284
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	285 sigset_t set, oset;
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	286
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	287 BLOCK_CHILD (set, oset);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	288
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	289 octave_child_list::wait ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	290
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	291 octave_set_interrupt_handler (saved_interrupt_handler);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	292
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	293 UNBLOCK_CHILD (oset);
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	294
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	295 octave_child_list::reap ();
f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	296 }
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	297 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	298 #endif
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	299
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	300 case SIGFPE:
14893 55d0f8d70fe9 shorten signal warnings John W. Eaton <jwe@octave.org> parents: 14889 diff changeset	301 std::cerr << "warning: floating point exception" << std::endl;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	302 break;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	303
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	304 #ifdef SIGPIPE
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	305 case SIGPIPE:
14893 55d0f8d70fe9 shorten signal warnings John W. Eaton <jwe@octave.org> parents: 14889 diff changeset	306 std::cerr << "warning: broken pipe" << std::endl;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	307 break;
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	308 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	309 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	310 }
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	311 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	312 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	313
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	314 static void
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	315 my_friendly_exit (const char *sig_name, int sig_number,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	316 bool save_vars = true)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	317 {
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	318 static bool been_there_done_that = false;
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	319
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	320 if (been_there_done_that)
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	321 {
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	322 #if defined (SIGABRT)
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	323 octave_set_signal_handler (SIGABRT, SIG_DFL);
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	324 #endif
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	325
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	326 std::cerr << "panic: attempted clean up apparently failed -- aborting...\n";
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	327
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	328 MINGW_SIGNAL_CLEANUP ();
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	329
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	330 abort ();
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	331 }
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	332 else
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	333 {
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	334 been_there_done_that = true;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	335
3644 9add655e8b8c [project @ 2000-03-24 11:58:50 by jwe] jwe parents: 3566 diff changeset	336 std::cerr << "panic: " << sig_name << " -- stopping myself...\n";
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	337
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	338 if (save_vars)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	339 dump_octave_core ();
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	340
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	341 if (sig_number < 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	342 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	343 MINGW_SIGNAL_CLEANUP ();
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	344
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	345 exit (1);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	346 }
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	347 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	348 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	349 octave_set_signal_handler (sig_number, SIG_DFL);
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	350
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	351 GNULIB_NAMESPACE::raise (sig_number);
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	352 }
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	353 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	354 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	355
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	356 sig_handler *
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	357 octave_set_signal_handler (int sig, sig_handler *handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	358 bool restart_syscalls)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	359 {
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	360 struct sigaction act, oact;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	361
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	362 act.sa_handler = handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	363 act.sa_flags = 0;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	364
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	365 #if defined (SIGALRM)
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	366 if (sig == SIGALRM)
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	367 {
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	368 # if defined (SA_INTERRUPT)
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	369 act.sa_flags \|= SA_INTERRUPT;
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	370 # endif
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	371 }
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	372 #endif
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	373 #if defined (SA_RESTART)
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	374 # if defined (SIGALRM)
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	375 else
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	376 # endif
17861 870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code. Rik <rik@octave.org> parents: 17787 diff changeset	377 // FIXME: Do we also need to explicitly disable SA_RESTART?
10344 65974373505a Do not use SIGALRM unconditinally. Michael Goffioul <michael.goffioul@gmail.com> parents: 10315 diff changeset	378 if (restart_syscalls)
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	379 act.sa_flags \|= SA_RESTART;
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	380 #endif
25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	381
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	382 GNULIB_NAMESPACE::sigemptyset (&act.sa_mask);
1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	383 GNULIB_NAMESPACE::sigemptyset (&oact.sa_mask);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	384
14338 1ecfba4427ff workaround for apparent bug in GCC 4.1.2 (bug #30685) John W. Eaton <jwe@octave.org> parents: 14154 diff changeset	385 GNULIB_NAMESPACE::sigaction (sig, &act, &oact);
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	386
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	387 return oact.sa_handler;
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	388 }
5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	389
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	390 static void
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	391 generic_sig_handler (int sig)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	392 {
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	393 my_friendly_exit (strsignal (sig), sig);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	394 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	395
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	396 // Handle SIGCHLD.
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	397
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	398 #ifdef SIGCHLD
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	399 static void
2092 a938192ff632 [project @ 1996-04-28 08:36:22 by jwe] jwe parents: 2091 diff changeset	400 sigchld_handler (int /* sig */)
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	401 {
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	402 octave_signal_caught = 1;
2626 b35a5cd8107f [project @ 1997-01-27 01:41:30 by jwe] jwe parents: 2600 diff changeset	403
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	404 octave_signals_caught[SIGCHLD] = true;
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	405 }
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20939 diff changeset	406 #endif
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	407
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	408 #if defined (SIGFPE) && defined (__alpha__)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	409 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	410 sigfpe_handler (int /* sig */)
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	411 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	412 if (can_interrupt && octave_interrupt_state >= 0)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	413 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	414 octave_signal_caught = 1;
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	415
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	416 octave_signals_caught[SIGFPE] = true;
4182 4d1d7c51205c [project @ 2002-11-15 20:33:47 by jwe] jwe parents: 4181 diff changeset	417
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	418 octave_interrupt_state++;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	419 }
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	420 }
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20939 diff changeset	421 #endif
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	422
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	423 #if defined (SIGHUP) \|\| defined (SIGTERM)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	424 static void
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	425 sig_hup_or_term_handler (int sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	426 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	427 switch (sig)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	428 {
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	429 #if defined (SIGHUP)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	430 case SIGHUP:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	431 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	432 if (Vsighup_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	433 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	434 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	435 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	436 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	437
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	438 #if defined (SIGTERM)
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	439 case SIGTERM:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	440 {
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	441 if (Vsigterm_dumps_octave_core)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	442 dump_octave_core ();
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	443 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	444 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	445 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	446
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	447 default:
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	448 break;
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	449 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	450
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	451 clean_up_and_exit (0);
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	452 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	453 #endif
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	454
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	455 #if 0
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	456 # if defined (SIGWINCH)
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	457 static void
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	458 sigwinch_handler (int /* sig */)
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	459 {
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	460 command_editor::resize_terminal ();
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	461 }
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	462 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	463 #endif
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	464
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	465 // Handle SIGINT by restarting the parser (see octave.cc).
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	466 //
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	467 // This also has to work for SIGBREAK (on systems that have it), so we
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	468 // use the value of sig, instead of just assuming that it is called
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	469 // for SIGINT only.
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	470
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	471 static void
73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	472 user_abort (const char *sig_name, int sig_number)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	473 {
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	474 if (! octave_initialized)
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	475 exit (1);
2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	476
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	477 if (can_interrupt)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	478 {
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	479 if (Vdebug_on_interrupt)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	480 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	481 if (! octave_debug_on_interrupt_state)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	482 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	483 tree_evaluator::debug_mode = true;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	484 octave_debug_on_interrupt_state = true;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	485
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	486 return;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	487 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	488 else
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	489 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	490 // Clear the flag and do normal interrupt stuff.
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	491
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	492 tree_evaluator::debug_mode
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	493 = bp_table::have_breakpoints () \|\| Vdebugging;
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	494 octave_debug_on_interrupt_state = false;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	495 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	496 }
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	497
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	498 if (octave_interrupt_immediately)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	499 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	500 if (octave_interrupt_state == 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	501 octave_interrupt_state = 1;
7481 78f3811155f7 use exceptions in liboctave error handler John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	502
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	503 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	504 w32_interrupt_manager::octave_jump_to_enclosing_context ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	505 #else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	506 octave_jump_to_enclosing_context ();
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	507 #endif
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	508 }
4429 c1f6200b5f0e [project @ 2003-06-17 04:36:08 by jwe] jwe parents: 4294 diff changeset	509 else
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	510 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	511 // If we are already cleaning up from a previous interrupt,
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	512 // take note of the fact that another interrupt signal has
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	513 // arrived.
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	514
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	515 if (octave_interrupt_state < 0)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	516 octave_interrupt_state = 0;
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	517
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	518 octave_signal_caught = 1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	519 octave_interrupt_state++;
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	520
19849 1c9ed5b4c73d input.h: change meaning of interactive and forced_interactive global variables. Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	521 if (interactive && ! forced_interactive
1c9ed5b4c73d input.h: change meaning of interactive and forced_interactive global variables. Carnë Draug <carandraug@octave.org> parents: 19697 diff changeset	522 && octave_interrupt_state == 2)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	523 std::cerr << "Press Control-C again to abort." << std::endl;
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	524
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	525 if (octave_interrupt_state >= 3)
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	526 my_friendly_exit (sig_name, sig_number, true);
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	527 }
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	528 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	529
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	530 }
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	531
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	532 static void
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	533 sigint_handler (int sig)
ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	534 {
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	535 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	536 w32_interrupt_manager::user_abort (strsignal (sig), sig);
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	537 #else
5844 034cdbd34c0a [project @ 2006-06-07 15:38:58 by jwe] jwe parents: 5823 diff changeset	538 user_abort (strsignal (sig), sig);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	539 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	540 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	541
4064 b4fa31442a78 [project @ 2002-09-26 21:10:45 by jwe] jwe parents: 3644 diff changeset	542 #ifdef SIGPIPE
10246 f751dae7aab8 use gnulib signal modules John W. Eaton <jwe@octave.org> parents: 10194 diff changeset	543 static void
1488 89c587478067 [project @ 1995-09-26 22:49:48 by jwe] jwe parents: 1446 diff changeset	544 sigpipe_handler (int /* sig */)
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	545 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	546 octave_signal_caught = 1;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	547
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	548 octave_signals_caught[SIGPIPE] = true;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	549
1358 dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	550 // Don't loop forever on account of this.
dc9c01f66a19 [project @ 1995-09-05 21:10:01 by jwe] jwe parents: 1352 diff changeset	551
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	552 if (pipe_handler_error_count++ > 100 && octave_interrupt_state >= 0)
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	553 octave_interrupt_state++;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	554 }
20945 9d9270e2f98f eliminate comments after preprocessor conditionals John W. Eaton <jwe@octave.org> parents: 20939 diff changeset	555 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	556
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	557 octave_interrupt_handler
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	558 octave_catch_interrupts (void)
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	559 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	560 octave_interrupt_handler retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	561
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	562 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	563 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	564 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	565
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	566 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	567 retval.int_handler = octave_set_signal_handler (SIGINT, sigint_handler);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	568 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	569
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	570 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	571 retval.brk_handler = octave_set_signal_handler (SIGBREAK, sigint_handler);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	572 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	573
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	574 return retval;
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	575 }
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	576
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	577 octave_interrupt_handler
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	578 octave_ignore_interrupts (void)
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	579 {
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	580 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	581
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	582 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	583 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	584 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	585
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	586 #ifdef SIGINT
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	587 retval.int_handler = octave_set_signal_handler (SIGINT, SIG_IGN);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	588 #endif
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	589
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	590 #ifdef SIGBREAK
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	591 retval.brk_handler = octave_set_signal_handler (SIGBREAK, SIG_IGN);
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	592 #endif
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	593
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	594 return retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	595 }
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	596
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	597 octave_interrupt_handler
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	598 octave_set_interrupt_handler (const volatile octave_interrupt_handler& h,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	599 bool restart_syscalls)
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	600 {
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	601 octave_interrupt_handler retval;
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	602
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	603 #if defined (__WIN32__) && ! defined (__CYGWIN__)
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	604 w32_interrupt_manager::init ();
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	605 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	606
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	607 #ifdef SIGINT
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	608 retval.int_handler = octave_set_signal_handler (SIGINT, h.int_handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	609 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	610 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	611
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	612 #ifdef SIGBREAK
5770 6a9244f89a2a [project @ 2006-04-18 17:44:33 by jwe] jwe parents: 5453 diff changeset	613 retval.brk_handler = octave_set_signal_handler (SIGBREAK, h.brk_handler,
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	614 restart_syscalls);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	615 #endif
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	616
18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	617 return retval;
1651 e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	618 }
e846e361a265 [project @ 1995-12-20 06:59:12 by jwe] jwe parents: 1618 diff changeset	619
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	620 // Install all the handlers for the signals we might care about.
5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	621
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	622 void
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	623 install_signal_handlers (void)
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	624 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	625 for (int i = 0; i < NSIG; i++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	626 octave_signals_caught[i] = false;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	627
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	628 octave_catch_interrupts ();
f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	629
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	630 #ifdef SIGABRT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	631 octave_set_signal_handler (SIGABRT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	632 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	633
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	634 #ifdef SIGALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	635 octave_set_signal_handler (SIGALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	636 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	637
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	638 #ifdef SIGBUS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	639 octave_set_signal_handler (SIGBUS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	640 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	641
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	642 #ifdef SIGCHLD
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	643 octave_set_signal_handler (SIGCHLD, sigchld_handler);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	644 #endif
92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	645
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	646 // SIGCLD
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	647 // SIGCONT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	648
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	649 #ifdef SIGEMT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	650 octave_set_signal_handler (SIGEMT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	651 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	652
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	653 #ifdef SIGFPE
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	654 # if defined (__alpha__)
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	655 octave_set_signal_handler (SIGFPE, sigfpe_handler);
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	656 # else
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	657 octave_set_signal_handler (SIGFPE, generic_sig_handler);
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	658 # endif
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	659 #endif
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	660
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	661 #ifdef SIGHUP
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	662 octave_set_signal_handler (SIGHUP, sig_hup_or_term_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	663 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	664
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	665 #ifdef SIGILL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	666 octave_set_signal_handler (SIGILL, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	667 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	668
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	669 // SIGINFO
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	670 // SIGINT
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	671
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	672 #ifdef SIGIOT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	673 octave_set_signal_handler (SIGIOT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	674 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	675
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	676 #ifdef SIGLOST
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	677 octave_set_signal_handler (SIGLOST, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	678 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	679
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	680 #ifdef SIGPIPE
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	681 octave_set_signal_handler (SIGPIPE, sigpipe_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	682 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	683
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	684 #ifdef SIGPOLL
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	685 octave_set_signal_handler (SIGPOLL, SIG_IGN);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	686 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	687
5866 f9ac7ebf0e19 [project @ 2006-06-28 16:05:22 by jwe] jwe parents: 5844 diff changeset	688 // SIGPROF
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	689 // SIGPWR
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	690
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	691 #ifdef SIGQUIT
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	692 octave_set_signal_handler (SIGQUIT, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	693 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	694
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	695 #ifdef SIGSEGV
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	696 octave_set_signal_handler (SIGSEGV, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	697 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	698
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	699 // SIGSTOP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	700
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	701 #ifdef SIGSYS
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	702 octave_set_signal_handler (SIGSYS, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	703 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	704
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	705 #ifdef SIGTERM
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	706 octave_set_signal_handler (SIGTERM, sig_hup_or_term_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	707 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	708
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	709 #ifdef SIGTRAP
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	710 octave_set_signal_handler (SIGTRAP, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	711 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	712
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	713 // SIGTSTP
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	714 // SIGTTIN
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	715 // SIGTTOU
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	716 // SIGURG
390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	717
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	718 #ifdef SIGUSR1
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	719 octave_set_signal_handler (SIGUSR1, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	720 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	721
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	722 #ifdef SIGUSR2
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	723 octave_set_signal_handler (SIGUSR2, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	724 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	725
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	726 #ifdef SIGVTALRM
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	727 octave_set_signal_handler (SIGVTALRM, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	728 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	729
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	730 #ifdef SIGIO
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	731 octave_set_signal_handler (SIGIO, SIG_IGN);
895 05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	732 #endif
05654cdcfc95 [project @ 1994-11-09 15:30:06 by jwe] jwe parents: 886 diff changeset	733
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	734 #if 0
21200 fcac5dbbf9ed maint: Indent #ifdef blocks in libinterp. Rik <rik@octave.org> parents: 21192 diff changeset	735 # ifdef SIGWINCH
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	736 octave_set_signal_handler (SIGWINCH, sigwinch_handler);
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	737 #endif
3343 466d7a1cac01 [project @ 1999-11-05 19:34:29 by jwe] jwe parents: 3281 diff changeset	738 #endif
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	739
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	740 #ifdef SIGXCPU
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	741 octave_set_signal_handler (SIGXCPU, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	742 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	743
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	744 #ifdef SIGXFSZ
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	745 octave_set_signal_handler (SIGXFSZ, generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	746 #endif
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	747
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	748 }
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	749
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	750 static octave_scalar_map
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	751 make_sig_struct (void)
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	752 {
11066 e678346a47d9 toplev.cc, sighandlers.cc, utils.cc, octave.cc, pt-eval.cc pt-idx.cc: Octave_map to octave_map and octave_scalar_map conversion John W. Eaton <jwe@octave.org> parents: 10840 diff changeset	753 octave_scalar_map m;
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	754
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	755 #ifdef SIGABRT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	756 m.assign ("ABRT", SIGABRT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	757 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	758
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	759 #ifdef SIGALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	760 m.assign ("ALRM", SIGALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	761 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	762
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	763 #ifdef SIGBUS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	764 m.assign ("BUS", SIGBUS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	765 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	766
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	767 #ifdef SIGCHLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	768 m.assign ("CHLD", SIGCHLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	769 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	770
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	771 #ifdef SIGCLD
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	772 m.assign ("CLD", SIGCLD);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	773 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	774
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	775 #ifdef SIGCONT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	776 m.assign ("CONT", SIGCONT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	777 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	778
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	779 #ifdef SIGEMT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	780 m.assign ("EMT", SIGEMT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	781 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	782
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	783 #ifdef SIGFPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	784 m.assign ("FPE", SIGFPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	785 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	786
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	787 #ifdef SIGHUP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	788 m.assign ("HUP", SIGHUP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	789 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	790
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	791 #ifdef SIGILL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	792 m.assign ("ILL", SIGILL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	793 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	794
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	795 #ifdef SIGINFO
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	796 m.assign ("INFO", SIGINFO);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	797 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	798
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	799 #ifdef SIGINT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	800 m.assign ("INT", SIGINT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	801 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	802
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	803 #ifdef SIGIO
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	804 m.assign ("IO", SIGIO);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	805 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	806
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	807 #ifdef SIGIOT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	808 m.assign ("IOT", SIGIOT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	809 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	810
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	811 #ifdef SIGKILL
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	812 m.assign ("KILL", SIGKILL);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	813 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	814
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	815 #ifdef SIGLOST
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	816 m.assign ("LOST", SIGLOST);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	817 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	818
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	819 #ifdef SIGPIPE
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	820 m.assign ("PIPE", SIGPIPE);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	821 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	822
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	823 #ifdef SIGPOLL
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	824 m.assign ("POLL", SIGPOLL);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	825 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	826
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	827 #ifdef SIGPROF
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	828 m.assign ("PROF", SIGPROF);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	829 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	830
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	831 #ifdef SIGPWR
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	832 m.assign ("PWR", SIGPWR);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	833 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	834
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	835 #ifdef SIGQUIT
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	836 m.assign ("QUIT", SIGQUIT);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	837 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	838
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	839 #ifdef SIGSEGV
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	840 m.assign ("SEGV", SIGSEGV);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	841 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	842
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	843 #ifdef SIGSTKFLT
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	844 m.assign ("STKFLT", SIGSTKFLT);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	845 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	846
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	847 #ifdef SIGSTOP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	848 m.assign ("STOP", SIGSTOP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	849 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	850
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	851 #ifdef SIGSYS
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	852 m.assign ("SYS", SIGSYS);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	853 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	854
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	855 #ifdef SIGTERM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	856 m.assign ("TERM", SIGTERM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	857 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	858
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	859 #ifdef SIGTRAP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	860 m.assign ("TRAP", SIGTRAP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	861 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	862
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	863 #ifdef SIGTSTP
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	864 m.assign ("TSTP", SIGTSTP);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	865 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	866
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	867 #ifdef SIGTTIN
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	868 m.assign ("TTIN", SIGTTIN);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	869 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	870
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	871 #ifdef SIGTTOU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	872 m.assign ("TTOU", SIGTTOU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	873 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	874
16706 736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	875 #ifdef SIGUNUSED
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	876 m.assign ("UNUSED", SIGUNUSED);
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	877 #endif
736dca8371ee include more signals in SIG function (bug #39089) Daniel J Sebald <daniel.sebald@ieee.org> parents: 16404 diff changeset	878
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	879 #ifdef SIGURG
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	880 m.assign ("URG", SIGURG);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	881 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	882
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	883 #ifdef SIGUSR1
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	884 m.assign ("USR1", SIGUSR1);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	885 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	886
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	887 #ifdef SIGUSR2
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	888 m.assign ("USR2", SIGUSR2);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	889 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	890
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	891 #ifdef SIGVTALRM
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	892 m.assign ("VTALRM", SIGVTALRM);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	893 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	894
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	895 #ifdef SIGWINCH
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	896 m.assign ("WINCH", SIGWINCH);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	897 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	898
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	899 #ifdef SIGXCPU
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	900 m.assign ("XCPU", SIGXCPU);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	901 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	902
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	903 #ifdef SIGXFSZ
4675 f6d6335c08f6 [project @ 2003-12-16 05:11:26 by jwe] jwe parents: 4449 diff changeset	904 m.assign ("XFSZ", SIGXFSZ);
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	905 #endif
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	906
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	907 return m;
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	908 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	909
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	910 octave_child_list::octave_child_list_rep *octave_child_list::instance = 0;
5128 2c4b08ace285 [project @ 2005-02-04 21:41:38 by jwe] jwe parents: 4793 diff changeset	911
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	912 bool
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	913 octave_child_list::instance_ok (void)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	914 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	915 bool retval = true;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	916
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	917 if (! instance)
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	918 {
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	919 instance = new octave_child_list_rep ();
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	920
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	921 if (instance)
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	922 singleton_cleanup_list::add (cleanup_instance);
7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	923 }
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	924
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	925 if (! instance)
20956 850e3d2533d4 maint: Eliminate more useless statements after error(). Rik <rik@octave.org> parents: 20945 diff changeset	926 error ("unable to create child list object!");
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	927
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	928 return retval;
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	929 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	930
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	931 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	932 octave_child_list::insert (pid_t pid, octave_child::child_event_handler f)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	933 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	934 if (instance_ok ())
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	935 instance->insert (pid, f);
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	936 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	937
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	938 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	939 octave_child_list::reap (void)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	940 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	941 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	942 instance->reap ();
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	943 }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	944
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	945 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	946 octave_child_list::wait (void)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	947 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	948 return (instance_ok ()) ? instance->wait () : false;
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	949 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	950
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	951 class pid_equal
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	952 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	953 public:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	954
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	955 pid_equal (pid_t v) : val (v) { }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	956
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	957 bool operator () (const octave_child& oc) const { return oc.pid == val; }
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	958
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	959 private:
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	960
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	961 pid_t val;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	962 };
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	963
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	964 void
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	965 octave_child_list::remove (pid_t pid)
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	966 {
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	967 if (instance_ok ())
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	968 instance->remove_if (pid_equal (pid));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	969 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	970
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	971 #define OCL_REP octave_child_list::octave_child_list_rep
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	972
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	973 void
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	974 OCL_REP::insert (pid_t pid, octave_child::child_event_handler f)
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	975 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	976 append (octave_child (pid, f));
2926 66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	977 }
66ef74ee5d9f [project @ 1997-05-05 03:20:52 by jwe] jwe parents: 2847 diff changeset	978
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	979 void
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	980 OCL_REP::reap (void)
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	981 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	982 // Mark the record for PID invalid.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	983
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	984 for (iterator p = begin (); p != end (); p++)
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	985 {
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	986 // The call to the octave_child::child_event_handler might
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	987 // invalidate the iterator (for example, by calling
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	988 // octave_child_list::remove), so we increment the iterator
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	989 // here.
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	990
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	991 octave_child& oc = *p;
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	992
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	993 if (oc.have_status)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	994 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	995 oc.have_status = 0;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	996
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	997 octave_child::child_event_handler f = oc.handler;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	998
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	999 if (f && f (oc.pid, oc.status))
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1000 oc.pid = -1;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1001 }
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1002 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1003
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1004 remove_if (pid_equal (-1));
2209 859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1005 }
859030f15706 [project @ 1996-05-15 11:46:43 by jwe] jwe parents: 2206 diff changeset	1006
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1007 // Wait on our children and record any changes in their status.
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1008
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1009 bool
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1010 OCL_REP::wait (void)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1011 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1012 bool retval = false;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1013
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1014 for (iterator p = begin (); p != end (); p++)
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1015 {
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1016 octave_child& oc = *p;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1017
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1018 pid_t pid = oc.pid;
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1019
0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1020 if (pid > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1021 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1022 int status;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1023
21609 46f059de4dce use namespace instead of struct with static members for system call wrappers John W. Eaton <jwe@octave.org> parents: 21301 diff changeset	1024 if (octave::syscalls::waitpid (pid, &status, WNOHANG) > 0)
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1025 {
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1026 oc.have_status = 1;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1027
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1028 oc.status = status;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1029
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1030 retval = true;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1031
10315 57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1032 break;
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1033 }
57a59eae83cc untabify src C++ source files John W. Eaton <jwe@octave.org> parents: 10246 diff changeset	1034 }
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1035 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1036
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	1037 return retval;
2210 a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1038 }
a3e39f8efed2 [project @ 1996-05-15 12:55:55 by jwe] jwe parents: 2209 diff changeset	1039
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1040 DEFUN (SIG, args, ,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1041 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1042 @deftypefn {} {} SIG ()\n\
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1043 Return a structure containing Unix signal names and their defined values.\n\
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1044 @end deftypefn")
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1045 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1046 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	1047 print_usage ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1048
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1049 static octave_scalar_map m = make_sig_struct ();
a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	1050
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	1051 return ovl (m);
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1052 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	1053
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1054 /*
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1055 %!assert (isstruct (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1056 %!assert (! isempty (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1057
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1058 %!error SIG (1)
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1059 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1060
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1061 DEFUN (debug_on_interrupt, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1062 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1063 @deftypefn {} {@var{val} =} debug_on_interrupt ()\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1064 @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1065 @deftypefnx {} {} debug_on_interrupt (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1066 Query or set the internal variable that controls whether Octave will try\n\
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1067 to enter debugging mode when it receives an interrupt signal (typically\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1068 generated with @kbd{C-c}).\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1069 \n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1070 If a second interrupt signal is received before reaching the debugging mode,\n\
4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1071 a normal interrupt will occur.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1072 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1073 When called from inside a function with the @qcode{\"local\"} option, the\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1074 variable is changed locally for the function and any subroutines it calls.\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1075 The original variable value is restored when exiting the function.\n\
15573 63d024333bee doc: Add seealso links between debug_on_XXX functions (bug #37576) Rik <rik@octave.org> parents: 14338 diff changeset	1076 @seealso{debug_on_error, debug_on_warning}\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1077 @end deftypefn")
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1078 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1079 return SET_INTERNAL_VARIABLE (debug_on_interrupt);
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1080 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	1081
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1082 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1083 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1084 %! orig_val = debug_on_interrupt ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1085 %! old_val = debug_on_interrupt (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1086 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1087 %! assert (debug_on_interrupt (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1088 %! debug_on_interrupt (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1089 %! assert (debug_on_interrupt (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1090
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1091 %!error (debug_on_interrupt (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1092 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1093
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1094 DEFUN (sighup_dumps_octave_core, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1095 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1096 @deftypefn {} {@var{val} =} sighup_dumps_octave_core ()\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1097 @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1098 @deftypefnx {} {} sighup_dumps_octave_core (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1099 Query or set the internal variable that controls whether Octave tries\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1100 to save all current variables to the file @file{octave-workspace} if it\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1101 receives a hangup signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1102 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1103 When called from inside a function with the @qcode{\"local\"} option, the\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1104 variable is changed locally for the function and any subroutines it calls.\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1105 The original variable value is restored when exiting the function.\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1106 @end deftypefn")
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1107 {
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1108 return SET_INTERNAL_VARIABLE (sighup_dumps_octave_core);
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1109 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	1110
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1111 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1112 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1113 %! orig_val = sighup_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1114 %! old_val = sighup_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1115 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1116 %! assert (sighup_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1117 %! sighup_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1118 %! assert (sighup_dumps_octave_core (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1119
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1120 %!error (sighup_dumps_octave_core (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1121 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1122
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1123 DEFUN (sigterm_dumps_octave_core, args, nargout,
17787 175b392e91fe Use GNU style coding conventions for code in libinterp/ Rik <rik@octave.org> parents: 17778 diff changeset	1124 "-- texinfo --\n\
20853 1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1125 @deftypefn {} {@var{val} =} sigterm_dumps_octave_core ()\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1126 @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val})\n\
1142cf6abc0d 2015 Code Sprint: remove class of function from docstring for all C++ files. Rik <rik@octave.org> parents: 20801 diff changeset	1127 @deftypefnx {} {} sigterm_dumps_octave_core (@var{new_val}, \"local\")\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1128 Query or set the internal variable that controls whether Octave tries\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1129 to save all current variables to the file @file{octave-workspace} if it\n\
bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1130 receives a terminate signal.\n\
13951 79aa00a94e9e doc: Document "local" option for configuration variables. Rik <octave@nomad.inbox5.com> parents: 12832 diff changeset	1131 \n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1132 When called from inside a function with the @qcode{\"local\"} option, the\n\
20172 4f45eaf83908 doc: Update more docstrings to have one sentence summary as first line. Rik <rik@octave.org> parents: 19849 diff changeset	1133 variable is changed locally for the function and any subroutines it calls.\n\
17281 bc924baa2c4e doc: Add new @qcode macro for code samples which are quoted. Rik <rik@octave.org> parents: 16892 diff changeset	1134 The original variable value is restored when exiting the function.\n\
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1135 @end deftypefn")
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1136 {
1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	1137 return SET_INTERNAL_VARIABLE (sigterm_dumps_octave_core);
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	1138 }
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1139
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1140 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1141 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1142 %! orig_val = sigterm_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1143 %! old_val = sigterm_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1144 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1145 %! assert (sigterm_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1146 %! sigterm_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	1147 %! assert (sigterm_dumps_octave_core (), orig_val);
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1148
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	1149 %!error (sigterm_dumps_octave_core (1, 2))
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	1150 */

Mercurial > octave

annotate libinterp/corefcn/sighandlers.cc @ 21609:46f059de4dce