octave: libinterp/corefcn/sighandlers.cc annotate

annotate libinterp/corefcn/sighandlers.cc @ 23084:ef4d915df748

maint: Merge stable to default.

author	John W. Eaton <jwe@octave.org>
date	Mon, 23 Jan 2017 14:27:48 -0500
parents	f75d289645ec e9a0469dedd9
children	b7a24a734c37

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
22323 bac0d6f07a3e maint: Update copyright notices for 2016. John W. Eaton <jwe@octave.org> parents: 22196 diff changeset	3 Copyright (C) 1993-2016 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
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	8 under the terms of the GNU General Public License as published by
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	9 the Free Software Foundation; either version 3 of the License, or
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	10 (at your option) any later version.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	11
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	12 Octave is distributed in the hope that it will be useful, but
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	13 WITHOUT ANY WARRANTY; without even the implied warranty of
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22407 diff changeset	15 GNU General Public License for more details.
1 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
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	23 #if defined (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
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	27 #include <csignal>
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	28 #include <cstdlib>
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	29
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3343 diff changeset	30 #include <iostream>
1344 c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	31 #include <new>
c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	32
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	33 #if defined (OCTAVE_USE_WINDOWS_API)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	34 # define WIN32_LEAN_AND_MEAN
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	35 # include <windows.h>
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	36 #endif
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	37
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	38 #include "cmd-edit.h"
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5451 diff changeset	39 #include "oct-syscalls.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	40 #include "quit.h"
13983 7dd7cccf0757 clean up memory allocated for singletons before exit John W. Eaton <jwe@octave.org> parents: 13951 diff changeset	41 #include "singleton-cleanup.h"
21938 da9b960b1b2d use gnulib strsignal module John W. Eaton <jwe@octave.org> parents: 21936 diff changeset	42 #include "signal-wrappers.h"
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	43
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	44 #include "debug.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	45 #include "defun.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	46 #include "error.h"
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	47 #include "input.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22089 diff changeset	48 #include "interpreter.h"
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	49 #include "load-save.h"
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	50 #include "octave.h"
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	51 #include "oct-map.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	52 #include "pager.h"
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	53 #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	54 #include "pt-eval.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	55 #include "sighandlers.h"
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	56 #include "sysdep.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	57 #include "utils.h"
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	58 #include "variables.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	59
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	60 namespace octave
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	61 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	62 // Nonzero means we have already printed a message for this series of
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	63 // SIGPIPES. We assume that the writer will eventually give up.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	64 int pipe_handler_error_count = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	65
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	66 // TRUE means we can be interrupted.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	67 bool can_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	68
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	69 // TRUE means we should try to enter the debugger on SIGINT.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	70 bool Vdebug_on_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	71
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	72 // Allow users to avoid writing octave-workspace for SIGHUP (sent by
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	73 // closing gnome-terminal, for example). Note that this variable has
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	74 // no effect if Vcrash_dumps_octave_core is FALSE.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	75 static bool Vsighup_dumps_octave_core = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	76
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	77 // Similar to Vsighup_dumps_octave_core, but for SIGTERM signal.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	78 static bool Vsigterm_dumps_octave_core = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	79
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	80 // List of signals we have caught since last call to octave::signal_handler.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	81 static bool *signals_caught = 0;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	82
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	83 // Forward declaration.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	84 static void user_abort (const char *sig_name, int sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	85
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	86 class
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	87 base_interrupt_manager
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	88 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	89 public:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	90
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	91 base_interrupt_manager (void) { }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	92
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	93 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	94
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	95 base_interrupt_manager (const base_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	96
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	97 base_interrupt_manager& operator = (const base_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	98
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	99 virtual ~base_interrupt_manager (void) = default;
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	100
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	101 virtual void do_jump_to_enclosing_context (void) = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	102
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	103 virtual void do_user_abort (const char *sig_name, int sig_number) = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	104
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	105 virtual void do_raise_sigint (void) = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	106 };
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	107
21979 d04da18a407a use OCTAVE_USE_WINDOWS_API more consistently John W. Eaton <jwe@octave.org> parents: 21966 diff changeset	108 #if defined (OCTAVE_USE_WINDOWS_API)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	109
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	110 class
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	111 w32_interrupt_manager : public base_interrupt_manager
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	112 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	113 public:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	114
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	115 w32_interrupt_manager (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	116 : thread (0), thread_id (0)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	117 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	118 thread_id = GetCurrentThreadId ();
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	119
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	120 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	121 GetCurrentProcess (), &thread, 0, FALSE,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	122 DUPLICATE_SAME_ACCESS);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	123 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	124
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	125 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	126
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	127 w32_interrupt_manager (const w32_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	128
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	129 w32_interrupt_manager& operator = (const w32_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	130
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	131 ~w32_interrupt_manager (void) = default;
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	132
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	133 static void jump_to_enclosing_context_sync (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	134 {
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	135 #if defined (_MSC_VER)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	136 _fpreset ();
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	137 #endif
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	138 ::octave_jump_to_enclosing_context ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	139 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	140
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	141 void do_jump_to_enclosing_context (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	142 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	143 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	144
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	145 if (is_interrupt_thread)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	146 jump_to_enclosing_context_sync ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	147 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	148 {
18461 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	149
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	150 CONTEXT threadContext;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	151
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	152 SuspendThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	153 threadContext.ContextFlags = CONTEXT_CONTROL;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	154 GetThreadContext (thread, &threadContext);
22382 07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	155
07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	156 #if (defined (__MINGW64__) \|\| defined (_WIN64))
07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	157 threadContext.Rip = (DWORD64) jump_to_enclosing_context_sync;
07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	158 #else
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	159 threadContext.Eip = (DWORD) jump_to_enclosing_context_sync;
22382 07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	160 #endif
07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	161
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	162 SetThreadContext (thread, &threadContext);
22382 07eb510d8800 For win64 signal handling, use context Rip value John D parents: 22323 diff changeset	163
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	164 ResumeThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	165 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	166 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	167
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	168 void do_user_abort (const char *sig_name, int sig_number)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	169 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	170 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	171
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	172 if (is_interrupt_thread)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	173 octave::user_abort (sig_name, sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	174 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	175 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	176 SuspendThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	177 octave::user_abort (sig_name, sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	178 ResumeThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	179 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	180 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	181
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	182 void do_raise_sigint (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	183 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	184 bool is_interrupt_thread = (GetCurrentThreadId () == thread_id);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	185
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	186 if (is_interrupt_thread)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	187 octave_raise_wrapper (SIGINT);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	188 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	189 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	190 SuspendThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	191 octave_raise_wrapper (SIGINT);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	192 ResumeThread (thread);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	193 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	194 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	195
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	196 private:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	197
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	198 // A handle to the thread that is running the octave interpreter.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	199 HANDLE thread;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	200
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	201 // The ID of the thread that is running the octave interpreter.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	202 DWORD thread_id;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	203 };
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	204
18461 9cfba3616503 allow sighandlers.cc to compile on 64-bit Windows systems John W. Eaton <jwe@octave.org> parents: 17958 diff changeset	205 #endif
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	206
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	207 class
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	208 posix_interrupt_manager : public base_interrupt_manager
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	209 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	210 public:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	211
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	212 posix_interrupt_manager (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	213 : base_interrupt_manager ()
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	214 { }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	215
22869 f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	216 // No copying!
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	217
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	218 posix_interrupt_manager (const posix_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	219
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	220 posix_interrupt_manager&
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	221 operator = (const posix_interrupt_manager&) = delete;
f75d289645ec make deleted functions public John W. Eaton <jwe@octave.org> parents: 22868 diff changeset	222
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	223 ~posix_interrupt_manager (void) = default;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	224
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	225 void do_jump_to_enclosing_context (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	226 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	227 ::octave_jump_to_enclosing_context ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	228 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	229
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	230 void do_user_abort (const char *sig_name, int sig_number)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	231 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	232 octave::user_abort (sig_name, sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	233 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	234
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	235 void do_raise_sigint (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	236 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	237 octave_raise_wrapper (SIGINT);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	238 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	239 };
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	240
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	241 class
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	242 interrupt_manager
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	243 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	244 public:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	245
22868 87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors John W. Eaton <jwe@octave.org> parents: 22865 diff changeset	246 ~interrupt_manager (void) = default;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	247
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	248 static bool init (void) { return instance_ok (); }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	249
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	250 static void jump_to_enclosing_context (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	251 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	252 if (instance_ok ())
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	253 instance->do_jump_to_enclosing_context ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	254 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	255
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	256 static void user_abort (const char *sig_name, int sig_number)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	257 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	258 if (instance_ok ())
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	259 instance->do_user_abort (sig_name, sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	260 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	261
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	262 static void raise_sigint (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	263 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	264 if (instance_ok ())
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	265 instance->do_raise_sigint ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	266 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	267
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	268 private:
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	269
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	270 interrupt_manager (void) { }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	271
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	272 // No copying!
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	273
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	274 interrupt_manager (const interrupt_manager&) = delete;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	275
22865 89756f2f085b use c++11 style for deleting default copy constructor and assignment operator John W. Eaton <jwe@octave.org> parents: 22755 diff changeset	276 interrupt_manager& operator = (const interrupt_manager&) = delete;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	277
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	278 static bool instance_ok (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	279 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	280 bool retval = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	281
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	282 if (! instance)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	283 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	284 instance = create_instance ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	285
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	286 if (instance)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	287 singleton_cleanup_list::add (cleanup_instance);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	288 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	289
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	290 if (! instance)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	291 error ("unable to create interrupt_manager");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	292
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	293 return retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	294 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	295
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	296 static base_interrupt_manager *create_instance (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	297 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	298 #if defined (OCTAVE_USE_WINDOWS_API)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	299 return new w32_interrupt_manager ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	300 #else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	301 return new posix_interrupt_manager ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	302 #endif
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	303 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	304
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	305 static void cleanup_instance (void) { delete instance; instance = 0; }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	306
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	307 static base_interrupt_manager* instance;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	308 };
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	309
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	310 base_interrupt_manager *interrupt_manager::instance = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	311
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	312 // Called from octave_quit () to actually do something about the signals
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	313 // we have caught.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	314
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	315 void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	316 signal_handler (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	317 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	318 // The list of signals is relatively short, so we will just go
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	319 // linearly through the list.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	320
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	321 static int sigchld;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	322 static int sigfpe;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	323 static int sigpipe;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	324
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	325 static const bool have_sigchld = octave_get_sig_number ("SIGCHLD", &sigchld);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	326 static const bool have_sigfpe = octave_get_sig_number ("SIGFPE", &sigfpe);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	327 static const bool have_sigpipe = octave_get_sig_number ("SIGPIPE", &sigpipe);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	328
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	329 for (int i = 0; i < octave_num_signals (); i++)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	330 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	331 if (signals_caught[i])
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	332 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	333 signals_caught[i] = false;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	334
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	335 if (have_sigchld && i == sigchld)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	336 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	337 volatile interrupt_handler saved_interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	338 = ignore_interrupts ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	339
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	340 void *context = octave_block_child ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	341
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	342 child_list::wait ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	343
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	344 set_interrupt_handler (saved_interrupt_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	345
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	346 octave_unblock_child (context);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	347
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	348 child_list::reap ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	349 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	350 else if (have_sigfpe && i == sigfpe)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	351 std::cerr << "warning: floating point exception" << std::endl;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	352 else if (have_sigpipe && i == sigpipe)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	353 std::cerr << "warning: broken pipe" << std::endl;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	354 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	355 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	356 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	357
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	358 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	359 my_friendly_exit (const char *sig_name, int sig_number,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	360 bool save_vars = true)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	361 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	362 static bool been_there_done_that = false;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	363
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	364 if (been_there_done_that)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	365 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	366 set_signal_handler ("SIGABRT", SIG_DFL);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	367
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	368 std::cerr << "panic: attempted clean up failed -- aborting..."
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	369 << std::endl;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	370
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	371 sysdep_cleanup ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	372
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	373 abort ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	374 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	375 else
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	376 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	377 been_there_done_that = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	378
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	379 std::cerr << "panic: " << sig_name << " -- stopping myself..."
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	380 << std::endl;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	381
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	382 if (save_vars)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	383 dump_octave_core ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	384
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	385 if (sig_number < 0)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	386 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	387 sysdep_cleanup ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	388
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	389 exit (1);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	390 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	391 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	392 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	393 set_signal_handler (sig_number, SIG_DFL);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	394
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	395 octave_raise_wrapper (sig_number);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	396 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	397 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	398 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	399
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	400 sig_handler *
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	401 set_signal_handler (int sig, sig_handler *handler, bool restart_syscalls)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	402 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	403 return octave_set_signal_handler_internal (sig, handler, restart_syscalls);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	404 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	405
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	406 sig_handler *
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	407 set_signal_handler (const char signame, sig_handler handler,
22407 34ce5be04942 maint: Style check C++ code in libinterp/. Rik <rik@octave.org> parents: 22382 diff changeset	408 bool restart_syscalls)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	409 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	410 return octave_set_signal_handler_by_name (signame, handler,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	411 restart_syscalls);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	412 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	413
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	414 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	415 generic_sig_handler (int sig)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	416 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	417 my_friendly_exit (octave_strsignal_wrapper (sig), sig);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	418 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	419
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	420 // Handle SIGCHLD.
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	421
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	422 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	423 sigchld_handler (int sig)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	424 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	425 octave_signal_caught = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	426
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	427 signals_caught[sig] = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	428 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	429
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	430 #if defined (__alpha__)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	431 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	432 sigfpe_handler (int sig)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	433 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	434 if (can_interrupt && octave_interrupt_state >= 0)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	435 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	436 octave_signal_caught = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	437
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	438 signals_caught[sig] = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	439
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	440 octave_interrupt_state++;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	441 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	442 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	443 #endif
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	444
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	445 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	446 sig_hup_handler (int /* sig */)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	447 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	448 if (Vsighup_dumps_octave_core)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	449 dump_octave_core ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	450
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	451 clean_up_and_exit (0);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	452 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	453
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	454 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	455 sig_term_handler (int /* sig */)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	456 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	457 if (Vsigterm_dumps_octave_core)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	458 dump_octave_core ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	459
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	460 clean_up_and_exit (0);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	461 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	462
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	463 #if 0
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	464 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	465 sigwinch_handler (int /* sig */)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	466 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	467 command_editor::resize_terminal ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	468 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	469 #endif
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	470
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	471 // Handle SIGINT by restarting the parser (see octave.cc).
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	472 //
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	473 // This also has to work for SIGBREAK (on systems that have it), so we
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	474 // use the value of sig, instead of just assuming that it is called
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	475 // for SIGINT only.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	476
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	477 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	478 user_abort (const char *sig_name, int sig_number)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	479 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	480 if (! octave_initialized)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	481 exit (1);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	482
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	483 if (can_interrupt)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	484 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	485 if (Vdebug_on_interrupt)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	486 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	487 if (! octave_debug_on_interrupt_state)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	488 {
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	489 octave::tree_evaluator::debug_mode = true;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	490 octave_debug_on_interrupt_state = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	491
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	492 return;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	493 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	494 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	495 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	496 // Clear the flag and do normal interrupt stuff.
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	497
22196 dd992fd74fce put parser, lexer, and evaluator in namespace; interpreter now owns evaluator John W. Eaton <jwe@octave.org> parents: 22094 diff changeset	498 octave::tree_evaluator::debug_mode
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	499 = bp_table::have_breakpoints () \|\| Vdebugging;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	500 octave_debug_on_interrupt_state = false;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	501 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	502 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	503
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	504 if (octave_interrupt_immediately)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	505 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	506 if (octave_interrupt_state == 0)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	507 octave_interrupt_state = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	508
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	509 interrupt_manager::jump_to_enclosing_context ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	510 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	511 else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	512 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	513 // If we are already cleaning up from a previous interrupt,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	514 // take note of the fact that another interrupt signal has
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	515 // arrived.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	516
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	517 if (octave_interrupt_state < 0)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	518 octave_interrupt_state = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	519
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	520 octave_signal_caught = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	521 octave_interrupt_state++;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	522
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	523 if (octave::application::interactive ()
c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	524 && ! octave::application::forced_interactive ()
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	525 && octave_interrupt_state == 2)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	526 std::cerr << "Press Control-C again to abort." << std::endl;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	527
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	528 if (octave_interrupt_state >= 3)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	529 my_friendly_exit (sig_name, sig_number, true);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	530 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	531 }
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	532 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	533
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	534 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	535 sigint_handler (int sig)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	536 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	537 interrupt_manager::user_abort (octave_strsignal_wrapper (sig), sig);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	538 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	539
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	540 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	541 sigpipe_handler (int sig)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	542 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	543 octave_signal_caught = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	544
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	545 signals_caught[sig] = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	546
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	547 // Don't loop forever on account of this.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	548
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	549 if (pipe_handler_error_count++ > 100 && octave_interrupt_state >= 0)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	550 octave_interrupt_state++;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	551 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	552
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	553 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	554 catch_interrupts (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	555 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	556 interrupt_handler retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	557
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	558 interrupt_manager::init ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	559
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	560 retval.int_handler = set_signal_handler ("SIGINT", sigint_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	561 retval.brk_handler = set_signal_handler ("SIGBREAK", sigint_handler);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	562
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	563 return retval;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	564 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	565
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	566 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	567 ignore_interrupts (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	568 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	569 interrupt_handler retval;
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	570
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	571 interrupt_manager::init ();
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	572
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	573 retval.int_handler = set_signal_handler ("SIGINT", SIG_IGN);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	574 retval.brk_handler = set_signal_handler ("SIGBREAK", SIG_IGN);
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	575
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	576 return retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	577 }
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	578
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	579 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	580 set_interrupt_handler (const volatile interrupt_handler& h,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	581 bool restart_syscalls)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	582 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	583 interrupt_handler retval;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	584
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	585 interrupt_manager::init ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	586
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	587 retval.int_handler = set_signal_handler ("SIGINT", h.int_handler,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	588 restart_syscalls);
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	589
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	590 retval.brk_handler = set_signal_handler ("SIGBREAK", h.brk_handler,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	591 restart_syscalls);
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	592
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	593 return retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	594 }
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	595
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	596 // Install all the handlers for the signals we might care about.
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	597
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	598 void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	599 install_signal_handlers (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	600 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	601 if (! signals_caught)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	602 signals_caught = new bool [octave_num_signals ()];
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	603
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	604 for (int i = 0; i < octave_num_signals (); i++)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	605 signals_caught[i] = false;
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	606
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	607 catch_interrupts ();
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	608
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	609 set_signal_handler ("SIGABRT", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	610 set_signal_handler ("SIGALRM", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	611 set_signal_handler ("SIGBUS", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	612 set_signal_handler ("SIGCHLD", sigchld_handler);
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	613
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	614 // SIGCLD
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	615 // SIGCONT
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	616
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	617 set_signal_handler ("SIGEMT", generic_sig_handler);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	618
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	619 #if defined (__alpha__)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	620 set_signal_handler ("SIGFPE", sigfpe_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	621 #else
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	622 set_signal_handler ("SIGFPE", generic_sig_handler);
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	623 #endif
aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	624
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	625 set_signal_handler ("SIGHUP", sig_hup_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	626 set_signal_handler ("SIGILL", generic_sig_handler);
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	627
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	628 // SIGINFO
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	629 // SIGINT
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	630
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	631 set_signal_handler ("SIGIOT", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	632 set_signal_handler ("SIGLOST", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	633 set_signal_handler ("SIGPIPE", sigpipe_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	634 set_signal_handler ("SIGPOLL", SIG_IGN);
7481 78f3811155f7 use exceptions in liboctave error handler John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	635
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	636 // SIGPROF
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	637 // SIGPWR
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	638
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	639 set_signal_handler ("SIGQUIT", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	640 set_signal_handler ("SIGSEGV", generic_sig_handler);
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	641
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	642 // SIGSTOP
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	643
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	644 set_signal_handler ("SIGSYS", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	645 set_signal_handler ("SIGTERM", sig_term_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	646 set_signal_handler ("SIGTRAP", generic_sig_handler);
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	647
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	648 // SIGTSTP
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	649 // SIGTTIN
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	650 // SIGTTOU
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	651 // SIGURG
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	652
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	653 set_signal_handler ("SIGUSR1", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	654 set_signal_handler ("SIGUSR2", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	655 set_signal_handler ("SIGVTALRM", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	656 set_signal_handler ("SIGIO", SIG_IGN);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	657
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	658 #if 0
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	659 set_signal_handler ("SIGWINCH", sigwinch_handler);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	660 #endif
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	661
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	662 set_signal_handler ("SIGXCPU", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	663 set_signal_handler ("SIGXFSZ", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	664 }
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	665
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	666 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	667 set_sig_struct_field (octave_scalar_map& m, const char *signame)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	668 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	669 int signum;
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	670
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	671 // The names in the struct do not include the leading "SIG" prefix.
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	672
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	673 if (octave_get_sig_number (signame, &signum))
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	674 m.assign (&signame[3], signum);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	675 }
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	676
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	677 static octave_scalar_map
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	678 make_sig_struct (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	679 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	680 octave_scalar_map m;
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	681
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	682 set_sig_struct_field (m, "SIGABRT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	683 set_sig_struct_field (m, "SIGALRM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	684 set_sig_struct_field (m, "SIGBUS");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	685 set_sig_struct_field (m, "SIGCHLD");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	686 set_sig_struct_field (m, "SIGCLD");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	687 set_sig_struct_field (m, "SIGCONT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	688 set_sig_struct_field (m, "SIGEMT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	689 set_sig_struct_field (m, "SIGFPE");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	690 set_sig_struct_field (m, "SIGHUP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	691 set_sig_struct_field (m, "SIGILL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	692 set_sig_struct_field (m, "SIGINFO");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	693 set_sig_struct_field (m, "SIGINT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	694 set_sig_struct_field (m, "SIGIO");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	695 set_sig_struct_field (m, "SIGIOT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	696 set_sig_struct_field (m, "SIGKILL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	697 set_sig_struct_field (m, "SIGLOST");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	698 set_sig_struct_field (m, "SIGPIPE");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	699 set_sig_struct_field (m, "SIGPOLL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	700 set_sig_struct_field (m, "SIGPROF");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	701 set_sig_struct_field (m, "SIGPWR");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	702 set_sig_struct_field (m, "SIGQUIT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	703 set_sig_struct_field (m, "SIGSEGV");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	704 set_sig_struct_field (m, "SIGSTKFLT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	705 set_sig_struct_field (m, "SIGSTOP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	706 set_sig_struct_field (m, "SIGSYS");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	707 set_sig_struct_field (m, "SIGTERM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	708 set_sig_struct_field (m, "SIGTRAP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	709 set_sig_struct_field (m, "SIGTSTP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	710 set_sig_struct_field (m, "SIGTTIN");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	711 set_sig_struct_field (m, "SIGTTOU");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	712 set_sig_struct_field (m, "SIGUNUSED");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	713 set_sig_struct_field (m, "SIGURG");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	714 set_sig_struct_field (m, "SIGUSR1");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	715 set_sig_struct_field (m, "SIGUSR2");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	716 set_sig_struct_field (m, "SIGVTALRM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	717 set_sig_struct_field (m, "SIGWINCH");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	718 set_sig_struct_field (m, "SIGXCPU");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	719 set_sig_struct_field (m, "SIGXFSZ");
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	720
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	721 return m;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	722 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	723 }
755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	724
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	725 DEFUN (SIG, args, ,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	726 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	727 @deftypefn {} {} SIG ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	728 Return a structure containing Unix signal names and their defined values.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	729 @end deftypefn */)
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	730 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	731 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	732 print_usage ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	733
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	734 static octave_scalar_map m = octave::make_sig_struct ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	735
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	736 return ovl (m);
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	737 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	738
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	739 /*
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	740 %!assert (isstruct (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	741 %!assert (! isempty (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	742
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	743 %!error SIG (1)
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	744 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	745
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	746 DEFUN (debug_on_interrupt, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	747 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	748 @deftypefn {} {@var{val} =} debug_on_interrupt ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	749 @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	750 @deftypefnx {} {} debug_on_interrupt (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	751 Query or set the internal variable that controls whether Octave will try
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	752 to enter debugging mode when it receives an interrupt signal (typically
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	753 generated with @kbd{C-c}).
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	754
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	755 If a second interrupt signal is received before reaching the debugging mode,
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	756 a normal interrupt will occur.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	757
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	758 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	759 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	760 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	761 @seealso{debug_on_error, debug_on_warning}
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	762 @end deftypefn */)
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	763 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	764 return set_internal_variable (octave::Vdebug_on_interrupt, args, nargout,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	765 "debug_on_interrupt");
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	766 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	767
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	768 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	769 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	770 %! orig_val = debug_on_interrupt ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	771 %! old_val = debug_on_interrupt (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	772 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	773 %! assert (debug_on_interrupt (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	774 %! debug_on_interrupt (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	775 %! 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	776
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	777 %!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	778 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	779
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	780 DEFUN (sighup_dumps_octave_core, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	781 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	782 @deftypefn {} {@var{val} =} sighup_dumps_octave_core ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	783 @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	784 @deftypefnx {} {} sighup_dumps_octave_core (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	785 Query or set the internal variable that controls whether Octave tries
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	786 to save all current variables to the file @file{octave-workspace} if it
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	787 receives a hangup signal.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	788
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	789 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	790 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	791 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	792 @end deftypefn */)
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	793 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	794 return set_internal_variable (octave::Vsighup_dumps_octave_core,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	795 args, nargout,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	796 "sighup_dumps_octave_core");
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	797 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	798
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	799 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	800 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	801 %! orig_val = sighup_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	802 %! old_val = sighup_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	803 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	804 %! assert (sighup_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	805 %! sighup_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	806 %! 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	807
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	808 %!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	809 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	810
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	811 DEFUN (sigterm_dumps_octave_core, args, nargout,
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	812 doc: /* -- texinfo --
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	813 @deftypefn {} {@var{val} =} sigterm_dumps_octave_core ()
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	814 @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val})
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	815 @deftypefnx {} {} sigterm_dumps_octave_core (@var{new_val}, "local")
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	816 Query or set the internal variable that controls whether Octave tries
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	817 to save all current variables to the file @file{octave-workspace} if it
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	818 receives a terminate signal.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	819
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	820 When called from inside a function with the @qcode{"local"} option, the
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	821 variable is changed locally for the function and any subroutines it calls.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	822 The original variable value is restored when exiting the function.
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	823 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	824 {
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	825 return set_internal_variable (octave::Vsigterm_dumps_octave_core,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	826 args, nargout,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	827 "sigterm_dumps_octave_core");
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	828 }
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	829
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	830 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	831 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	832 %! orig_val = sigterm_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	833 %! old_val = sigterm_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	834 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	835 %! assert (sigterm_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	836 %! sigterm_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	837 %! 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	838
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	839 %!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	840 */

Mercurial > octave

annotate libinterp/corefcn/sighandlers.cc @ 23084:ef4d915df748