octave: libinterp/corefcn/sighandlers.cc annotate

annotate libinterp/corefcn/sighandlers.cc @ 31605:e88a07dec498 stable

maint: Use macros to begin/end C++ namespaces. * oct-conf-post-public.in.h: Define two macros (OCTAVE_BEGIN_NAMESPACE, OCTAVE_END_NAMESPACE) that can be used to start/end a namespace. * mk-opts.pl, build-env.h, build-env.in.cc, __betainc__.cc, __contourc__.cc, __dsearchn__.cc, __eigs__.cc, __expint__.cc, __ftp__.cc, __gammainc__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, __qp__.cc, amd.cc, auto-shlib.cc, auto-shlib.h, balance.cc, base-text-renderer.cc, base-text-renderer.h, besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.cc, c-file-ptr-stream.h, call-stack.cc, call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, colloc.cc, conv2.cc, daspk.cc, dasrt.cc, dassl.cc, data.cc, data.h, debug.cc, defaults.cc, defaults.h, defun-int.h, defun.cc, det.cc, dirfns.cc, display.cc, display.h, dlmread.cc, dmperm.cc, dot.cc, dynamic-ld.cc, dynamic-ld.h, eig.cc, ellipj.cc, environment.cc, environment.h, error.cc, error.h, errwarn.h, event-manager.cc, event-manager.h, event-queue.cc, event-queue.h, fcn-info.cc, fcn-info.h, fft.cc, fft2.cc, fftn.cc, file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h, gcd.cc, getgrent.cc, getpwent.cc, getrusage.cc, givens.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h, graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, graphics.in.h, gsvd.cc, gtk-manager.cc, gtk-manager.h, hash.cc, help.cc, help.h, hess.cc, hex2num.cc, hook-fcn.cc, hook-fcn.h, input.cc, input.h, interpreter-private.cc, interpreter-private.h, interpreter.cc, interpreter.h, inv.cc, jsondecode.cc, jsonencode.cc, kron.cc, latex-text-renderer.cc, latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h, lookup.cc, ls-ascii-helper.cc, ls-ascii-helper.h, ls-oct-text.cc, ls-utils.cc, ls-utils.h, lsode.cc, lu.cc, mappers.cc, matrix_type.cc, max.cc, mex-private.h, mex.cc, mgorth.cc, nproc.cc, oct-fstrm.cc, oct-fstrm.h, oct-hdf5-types.cc, oct-hdf5-types.h, oct-hist.cc, oct-hist.h, oct-iostrm.cc, oct-iostrm.h, oct-opengl.h, oct-prcstrm.cc, oct-prcstrm.h, oct-procbuf.cc, oct-procbuf.h, oct-process.cc, oct-process.h, oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.cc, oct-strstrm.h, oct-tex-lexer.in.ll, oct-tex-parser.yy, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc, pow2.cc, pr-flt-fmt.cc, pr-output.cc, procstream.cc, procstream.h, psi.cc, qr.cc, quad.cc, quadcc.cc, qz.cc, rand.cc, rcond.cc, regexp.cc, schur.cc, settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xdiv.cc, sparse-xdiv.h, sparse-xpow.cc, sparse-xpow.h, sparse.cc, spparms.cc, sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfind.cc, strfns.cc, sub2ind.cc, svd.cc, sylvester.cc, symbfact.cc, syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h, symtab.cc, symtab.h, syscalls.cc, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h, text-renderer.cc, text-renderer.h, time.cc, toplev.cc, tril.cc, tsearch.cc, typecast.cc, url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h, variables.cc, variables.h, xdiv.cc, xdiv.h, xnorm.cc, xnorm.h, xpow.cc, xpow.h, __delaunayn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc, __init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audiodevinfo.cc, audioread.cc, convhulln.cc, fftw.cc, gzip.cc, mk-build-env-features.sh, mk-builtins.pl, cdef-class.cc, cdef-class.h, cdef-fwd.h, cdef-manager.cc, cdef-manager.h, cdef-method.cc, cdef-method.h, cdef-object.cc, cdef-object.h, cdef-package.cc, cdef-package.h, cdef-property.cc, cdef-property.h, cdef-utils.cc, cdef-utils.h, ov-base.cc, ov-base.h, ov-bool-mat.cc, ov-builtin.h, ov-cell.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h, ov-complex.cc, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-java.cc, ov-java.h, ov-mex-fcn.h, ov-null-mat.cc, ov-oncleanup.cc, ov-struct.cc, ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, octave.cc, octave.h, mk-ops.sh, op-b-b.cc, op-b-bm.cc, op-b-sbm.cc, op-bm-b.cc, op-bm-bm.cc, op-bm-sbm.cc, op-cdm-cdm.cc, op-cell.cc, op-chm.cc, op-class.cc, op-cm-cm.cc, op-cm-cs.cc, op-cm-m.cc, op-cm-s.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-cm.cc, op-cs-cs.cc, op-cs-m.cc, op-cs-s.cc, op-cs-scm.cc, op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-dm-template.cc, op-dms-template.cc, op-fcdm-fcdm.cc, op-fcm-fcm.cc, op-fcm-fcs.cc, op-fcm-fm.cc, op-fcm-fs.cc, op-fcn.cc, op-fcs-fcm.cc, op-fcs-fcs.cc, op-fcs-fm.cc, op-fcs-fs.cc, op-fdm-fdm.cc, op-fm-fcm.cc, op-fm-fcs.cc, op-fm-fm.cc, op-fm-fs.cc, op-fs-fcm.cc, op-fs-fcs.cc, op-fs-fm.cc, op-fs-fs.cc, op-i16-i16.cc, op-i32-i32.cc, op-i64-i64.cc, op-i8-i8.cc, op-int-concat.cc, op-m-cm.cc, op-m-cs.cc, op-m-m.cc, op-m-s.cc, op-m-scm.cc, op-m-sm.cc, op-mi.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-pm-template.cc, op-range.cc, op-s-cm.cc, op-s-cs.cc, op-s-m.cc, op-s-s.cc, op-s-scm.cc, op-s-sm.cc, op-sbm-b.cc, op-sbm-bm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc, op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc, op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-m.cc, op-str-s.cc, op-str-str.cc, op-struct.cc, op-ui16-ui16.cc, op-ui32-ui32.cc, op-ui64-ui64.cc, op-ui8-ui8.cc, ops.h, anon-fcn-validator.cc, anon-fcn-validator.h, bp-table.cc, bp-table.h, comment-list.cc, comment-list.h, filepos.h, lex.h, lex.ll, oct-lvalue.cc, oct-lvalue.h, oct-parse.yy, parse.h, profiler.cc, profiler.h, pt-anon-scopes.cc, pt-anon-scopes.h, pt-arg-list.cc, pt-arg-list.h, pt-args-block.cc, pt-args-block.h, pt-array-list.cc, pt-array-list.h, pt-assign.cc, pt-assign.h, pt-binop.cc, pt-binop.h, pt-bp.cc, pt-bp.h, pt-cbinop.cc, pt-cbinop.h, pt-cell.cc, pt-cell.h, pt-check.cc, pt-check.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h, pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc, pt-decl.h, pt-eval.cc, pt-eval.h, pt-except.cc, pt-except.h, pt-exp.cc, pt-exp.h, pt-fcn-handle.cc, pt-fcn-handle.h, pt-id.cc, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.cc, pt-loop.h, pt-mat.cc, pt-mat.h, pt-misc.cc, pt-misc.h, pt-pr-code.cc, pt-pr-code.h, pt-select.cc, pt-select.h, pt-spmd.cc, pt-spmd.h, pt-stmt.cc, pt-stmt.h, pt-tm-const.cc, pt-tm-const.h, pt-unop.cc, pt-unop.h, pt-vm-eval.cc, pt-walk.cc, pt-walk.h, pt.cc, pt.h, token.cc, token.h, Range.cc, Range.h, idx-vector.cc, idx-vector.h, range-fwd.h, CollocWt.cc, CollocWt.h, aepbalance.cc, aepbalance.h, chol.cc, chol.h, gepbalance.cc, gepbalance.h, gsvd.cc, gsvd.h, hess.cc, hess.h, lo-mappers.cc, lo-mappers.h, lo-specfun.cc, lo-specfun.h, lu.cc, lu.h, oct-convn.cc, oct-convn.h, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-norm.h, oct-rand.cc, oct-rand.h, oct-spparms.cc, oct-spparms.h, qr.cc, qr.h, qrp.cc, qrp.h, randgamma.cc, randgamma.h, randmtzig.cc, randmtzig.h, randpoisson.cc, randpoisson.h, schur.cc, schur.h, sparse-chol.cc, sparse-chol.h, sparse-lu.cc, sparse-lu.h, sparse-qr.cc, sparse-qr.h, svd.cc, svd.h, child-list.cc, child-list.h, dir-ops.cc, dir-ops.h, file-ops.cc, file-ops.h, file-stat.cc, file-stat.h, lo-sysdep.cc, lo-sysdep.h, lo-sysinfo.cc, lo-sysinfo.h, mach-info.cc, mach-info.h, oct-env.cc, oct-env.h, oct-group.cc, oct-group.h, oct-password.cc, oct-password.h, oct-syscalls.cc, oct-syscalls.h, oct-time.cc, oct-time.h, oct-uname.cc, oct-uname.h, action-container.cc, action-container.h, base-list.h, cmd-edit.cc, cmd-edit.h, cmd-hist.cc, cmd-hist.h, f77-fcn.h, file-info.cc, file-info.h, lo-array-errwarn.cc, lo-array-errwarn.h, lo-hash.cc, lo-hash.h, lo-ieee.h, lo-regexp.cc, lo-regexp.h, lo-utils.cc, lo-utils.h, oct-base64.cc, oct-base64.h, oct-glob.cc, oct-glob.h, oct-inttypes.h, oct-mutex.cc, oct-mutex.h, oct-refcount.h, oct-shlib.cc, oct-shlib.h, oct-sparse.cc, oct-sparse.h, oct-string.h, octave-preserve-stream-state.h, pathsearch.cc, pathsearch.h, quit.cc, quit.h, unwind-prot.cc, unwind-prot.h, url-transfer.cc, url-transfer.h : Use new macros to begin/end C++ namespaces.

author	Rik <rik@octave.org>
date	Thu, 01 Dec 2022 14:23:45 -0800
parents	670a0d878af1
children	aac27ad79be6

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ////////////////////////////////////////////////////////////////////////
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 //
30564 796f54d4ddbf update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30000 diff changeset	3 // Copyright (C) 1993-2022 The Octave Project Developers
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	4 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 // See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 // distribution or <https://octave.org/copyright/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	7 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	8 // This file is part of Octave.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	9 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	10 // Octave is free software: you can redistribute it and/or modify it
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	11 // under the terms of the GNU General Public License as published by
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	12 // the Free Software Foundation, either version 3 of the License, or
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	13 // (at your option) any later version.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	14 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	15 // Octave is distributed in the hope that it will be useful, but
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	16 // WITHOUT ANY WARRANTY; without even the implied warranty of
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	18 // GNU General Public License for more details.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	19 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	20 // You should have received a copy of the GNU General Public License
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	21 // along with Octave; see the file COPYING. If not, see
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	22 // <https://www.gnu.org/licenses/>.
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 //
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ////////////////////////////////////////////////////////////////////////
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	25
21724 aba2e6293dd8 use "#if ..." consistently instead of "#ifdef" and "#ifndef" John W. Eaton <jwe@octave.org> parents: 21609 diff changeset	26 #if defined (HAVE_CONFIG_H)
21301 40de9f8f23a6 Use '#include "config.h"' rather than <config.h>. Rik <rik@octave.org> parents: 21200 diff changeset	27 # include "config.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	28 #endif
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	29
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	30 #include <csignal>
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	31 #include <cstdlib>
1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	32
3503 d14c483b3c12 [project @ 2000-02-01 04:06:07 by jwe] jwe parents: 3343 diff changeset	33 #include <iostream>
1344 c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	34 #include <new>
c2ca372d3279 [project @ 1995-09-04 00:50:16 by jwe] jwe parents: 1343 diff changeset	35
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	36 #if defined (OCTAVE_USE_WINDOWS_API)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	37 # define WIN32_LEAN_AND_MEAN
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	38 # include <windows.h>
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	39 #endif
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	40
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	41 #include "child-list.h"
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	42 #include "cmd-edit.h"
5453 89f5979e8552 [project @ 2005-09-17 00:50:58 by jwe] jwe parents: 5451 diff changeset	43 #include "oct-syscalls.h"
4153 6b96ce9f5743 [project @ 2002-11-06 20:38:49 by jwe] jwe parents: 4092 diff changeset	44 #include "quit.h"
21938 da9b960b1b2d use gnulib strsignal module John W. Eaton <jwe@octave.org> parents: 21936 diff changeset	45 #include "signal-wrappers.h"
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	46
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	47 #include "defun.h"
1352 19c10b8657d5 [project @ 1995-09-05 08:11:57 by jwe] jwe parents: 1350 diff changeset	48 #include "error.h"
10194 d4f813c3f5ed more debug mode fixes John W. Eaton <jwe@octave.org> parents: 10182 diff changeset	49 #include "input.h"
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	50 #include "interpreter-private.h"
22094 9203833cab7d move new interpreter class to separate file John W. Eaton <jwe@octave.org> parents: 22089 diff changeset	51 #include "interpreter.h"
1373 cea4101a2f18 [project @ 1995-09-07 07:19:58 by jwe] jwe parents: 1358 diff changeset	52 #include "load-save.h"
22089 c2c668b3051b use classes for octave application and interpreter John W. Eaton <jwe@octave.org> parents: 22051 diff changeset	53 #include "octave.h"
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	54 #include "oct-map.h"
2091 60f5e1c20815 [project @ 1996-04-28 08:32:39 by jwe] jwe parents: 2016 diff changeset	55 #include "pager.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	56 #include "sighandlers.h"
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	57 #include "sysdep.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	58 #include "utils.h"
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	59 #include "variables.h"
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	60
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31105 diff changeset	61 OCTAVE_BEGIN_NAMESPACE(octave)
29960 939bef0b66e0 merge "namespace octave" and OCTAVE_NAMESPACE_BEGIN/END blocks John W. Eaton <jwe@octave.org> parents: 29958 diff changeset	62
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	63 // 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	64 // 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	65 int pipe_handler_error_count = 0;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	66
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	67 // TRUE means we can be interrupted.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	68 bool can_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	69
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	70 // 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	71 bool Vdebug_on_interrupt = false;
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	72
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	73 // 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	74 // 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	75 // 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	76 static bool Vsighup_dumps_octave_core = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	77
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	78 // Similar to Vsighup_dumps_octave_core, but for SIGQUIT signal.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	79 static bool Vsigquit_dumps_octave_core = true;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	80
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	81 // 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	82 static bool Vsigterm_dumps_octave_core = true;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	83
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	84 // List of signals we have caught since last call to signal_handler.
23457 21baad6b35c4 maint: Use C++11 nullptr rather than 0 or NULL when possible. Rik <rik@octave.org> parents: 23449 diff changeset	85 static bool *signals_caught = nullptr;
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	86
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	87 static void
23101 86376c04cb66 generate signal name from number when needed in signal handler functions John W. Eaton <jwe@octave.org> parents: 23096 diff changeset	88 my_friendly_exit (int sig, bool save_vars = true)
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	89 {
23101 86376c04cb66 generate signal name from number when needed in signal handler functions John W. Eaton <jwe@octave.org> parents: 23096 diff changeset	90 std::cerr << "fatal: caught signal "
86376c04cb66 generate signal name from number when needed in signal handler functions John W. Eaton <jwe@octave.org> parents: 23096 diff changeset	91 << octave_strsignal_wrapper (sig)
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	92 << " -- stopping myself..." << std::endl;
b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	93
b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	94 if (save_vars)
30000 362029cc0202 * load-save.h (dump_octave_core): Deprecate function. Change all uses. John W. Eaton <jwe@octave.org> parents: 29961 diff changeset	95 {
31105 670a0d878af1 eliminate WHO arguments from interpreter-private functions John W. Eaton <jwe@octave.org> parents: 30888 diff changeset	96 load_save_system& load_save_sys = __get_load_save_system__ ();
30000 362029cc0202 * load-save.h (dump_octave_core): Deprecate function. Change all uses. John W. Eaton <jwe@octave.org> parents: 29961 diff changeset	97
362029cc0202 * load-save.h (dump_octave_core): Deprecate function. Change all uses. John W. Eaton <jwe@octave.org> parents: 29961 diff changeset	98 load_save_sys.dump_octave_core ();
362029cc0202 * load-save.h (dump_octave_core): Deprecate function. Change all uses. John W. Eaton <jwe@octave.org> parents: 29961 diff changeset	99 }
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	100
b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	101 sysdep_cleanup ();
b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	102
23696 08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace John W. Eaton <jwe@octave.org> parents: 23457 diff changeset	103 throw exit_exception (1);
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	104 }
b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	105
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	106 // 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	107 // we have caught.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	108
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	109 void
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	110 respond_to_pending_signals (void)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	111 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	112 // 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	113 // linearly through the list.
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	114
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	115 // Interrupt signals are currently handled separately.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	116
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	117 static int sigint;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	118 static const bool have_sigint
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	119 = octave_get_sig_number ("SIGINT", &sigint);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	120
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	121 static int sigbreak;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	122 static const bool have_sigbreak
25103 078b795c5219 maint: style check C++ ahead of 4.4 release. Rik <rik@octave.org> parents: 25054 diff changeset	123 = octave_get_sig_number ("SIGBREAK", &sigbreak);
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	124
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	125 // Termination signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	126
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	127 static int sighup;
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	128 static const bool have_sighup
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	129 = octave_get_sig_number ("SIGHUP", &sighup);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	130
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	131 static int sigquit;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	132 static const bool have_sigquit
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	133 = octave_get_sig_number ("SIGQUIT", &sigquit);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	134
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	135 static int sigterm;
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	136 static const bool have_sigterm
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	137 = octave_get_sig_number ("SIGTERM", &sigterm);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	138
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	139 // Alarm signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	140
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	141 static int sigalrm;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	142 static const bool have_sigalrm
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	143 = octave_get_sig_number ("SIGALRM", &sigalrm);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	144
24525 a8eb8a734b9d tweaks to signal handlers John W. Eaton <jwe@octave.org> parents: 24520 diff changeset	145 static int sigvtalrm;
a8eb8a734b9d tweaks to signal handlers John W. Eaton <jwe@octave.org> parents: 24520 diff changeset	146 static const bool have_sigvtalrm
a8eb8a734b9d tweaks to signal handlers John W. Eaton <jwe@octave.org> parents: 24520 diff changeset	147 = octave_get_sig_number ("SIGVTALRM", &sigvtalrm);
a8eb8a734b9d tweaks to signal handlers John W. Eaton <jwe@octave.org> parents: 24520 diff changeset	148
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	149 // I/O signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	150
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	151 static int sigio;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	152 static const bool have_sigio
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	153 = octave_get_sig_number ("SIGIO", &sigio);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	154
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	155 static int siglost;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	156 static const bool have_siglost
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	157 = octave_get_sig_number ("SIGLOST", &siglost);
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	158
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	159 static int sigpipe;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	160 static const bool have_sigpipe
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	161 = octave_get_sig_number ("SIGPIPE", &sigpipe);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	162
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	163 // Job control signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	164
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	165 static int sigchld;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	166 static const bool have_sigchld
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	167 = octave_get_sig_number ("SIGCHLD", &sigchld);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	168
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	169 static int sigcld;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	170 static const bool have_sigcld
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	171 = octave_get_sig_number ("SIGCLD", &sigcld);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	172
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	173 // Resource limit signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	174
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	175 static int sigxcpu;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	176 static const bool have_sigxcpu
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	177 = octave_get_sig_number ("SIGXCPU", &sigxcpu);
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	178
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	179 static int sigxfsz;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	180 static const bool have_sigxfsz
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	181 = octave_get_sig_number ("SIGXFSZ", &sigxfsz);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	182
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	183 // User signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	184
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	185 static int sigusr1;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	186 static const bool have_sigusr1
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	187 = octave_get_sig_number ("SIGUSR1", &sigusr1);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	188
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	189 static int sigusr2;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	190 static const bool have_sigusr2
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	191 = octave_get_sig_number ("SIGUSR2", &sigusr2);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	192
31105 670a0d878af1 eliminate WHO arguments from interpreter-private functions John W. Eaton <jwe@octave.org> parents: 30888 diff changeset	193 child_list& kids = __get_child_list__ ();
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	194
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	195 for (int sig = 0; sig < octave_num_signals (); sig++)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	196 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	197 if (signals_caught[sig])
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	198 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	199 signals_caught[sig] = false;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	200
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	201 if ((have_sigchld && sig == sigchld)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	202 \|\| (have_sigcld && sig == sigcld))
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	203 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	204 // FIXME: should we block or ignore?
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	205 volatile interrupt_handler saved_interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	206 = ignore_interrupts ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	207
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	208 void *context = octave_block_child ();
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	209
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	210 kids.wait ();
22051 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 set_interrupt_handler (saved_interrupt_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	213
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	214 octave_unblock_child (context);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	215
24734 5d8c4cbc56d7 don't use singleton pattern for child_list John W. Eaton <jwe@octave.org> parents: 24534 diff changeset	216 kids.reap ();
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	217 }
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	218 else if (have_sigpipe && sig == sigpipe)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	219 {
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	220 std::cerr << "warning: broken pipe" << std::endl;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	221
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	222 // Don't loop forever on account of this.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	223 // FIXME: is this really needed? Does it do anything
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	224 // useful now?
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	225
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	226 if (pipe_handler_error_count++ > 100
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	227 && octave_interrupt_state >= 0)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	228 octave_interrupt_state++;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	229 }
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	230 else if (have_sighup && sig == sighup)
23101 86376c04cb66 generate signal name from number when needed in signal handler functions John W. Eaton <jwe@octave.org> parents: 23096 diff changeset	231 my_friendly_exit (sighup, Vsighup_dumps_octave_core);
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	232 else if (have_sigquit && sig == sigquit)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	233 my_friendly_exit (sigquit, Vsigquit_dumps_octave_core);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	234 else if (have_sigterm && sig == sigterm)
23101 86376c04cb66 generate signal name from number when needed in signal handler functions John W. Eaton <jwe@octave.org> parents: 23096 diff changeset	235 my_friendly_exit (sigterm, Vsigterm_dumps_octave_core);
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	236 else if ((have_sigalrm && sig == sigalrm)
24525 a8eb8a734b9d tweaks to signal handlers John W. Eaton <jwe@octave.org> parents: 24520 diff changeset	237 \|\| (have_sigvtalrm && sig == sigvtalrm)
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	238 \|\| (have_sigio && sig == sigio)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	239 \|\| (have_siglost && sig == siglost)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	240 \|\| (have_sigxcpu && sig == sigxcpu)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	241 \|\| (have_sigxfsz && sig == sigxfsz)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	242 \|\| (have_sigusr1 && sig == sigusr1)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	243 \|\| (have_sigusr2 && sig == sigusr2))
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	244 std::cerr << "warning: ignoring signal: "
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	245 << octave_strsignal_wrapper (sig)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	246 << std::endl;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	247 else if ((have_sigint && sig == sigint)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	248 \|\| (have_sigbreak && sig == sigbreak))
25284 78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	249 ; // Handled separately; do nothing.
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	250 else
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	251 std::cerr << "warning: ignoring unexpected signal: "
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	252 << octave_strsignal_wrapper (sig)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	253 << std::endl;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	254 }
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	255 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	256 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	257
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	258 sig_handler *
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	259 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	260 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	261 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	262 }
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 sig_handler *
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	265 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	266 bool restart_syscalls)
22051 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 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	269 restart_syscalls);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	270 }
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 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	273 generic_sig_handler (int sig)
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	274 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	275 // FIXME: this function may execute in a separate signal handler or
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	276 // signal watcher thread so it should probably be more careful about
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	277 // how it accesses global objects.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	278
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	279 octave_signal_caught = 1;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	280
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	281 signals_caught[sig] = true;
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	282
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	283 static int sigint;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	284 static const bool have_sigint
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	285 = octave_get_sig_number ("SIGINT", &sigint);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	286
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	287 static int sigbreak;
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	288 static const bool have_sigbreak
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	289 = octave_get_sig_number ("SIGBREAK", &sigbreak);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	290
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	291 if ((have_sigint && sig == sigint)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	292 \|\| (have_sigbreak && sig == sigbreak))
25284 78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	293 {
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	294 if (! octave_initialized)
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	295 exit (1);
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	296
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	297 if (can_interrupt)
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	298 {
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	299 octave_signal_caught = 1;
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	300 octave_interrupt_state++;
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	301 }
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	302 }
22051 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
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	306 deadly_sig_handler (int sig)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	307 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	308 std::cerr << "fatal: caught signal "
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	309 << octave_strsignal_wrapper (sig)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	310 << " -- stopping myself..." << std::endl;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	311
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	312 octave_set_default_signal_handler (sig);
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	313
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	314 octave_raise_wrapper (sig);
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	315 }
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	316
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	317 static void
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	318 fpe_sig_handler (int)
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	319 {
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	320 // FIXME: is there something better we can do?
23096 b7a24a734c37 defer SIGHUP and SIGTERM actions until octave_quit is called John W. Eaton <jwe@octave.org> parents: 23084 diff changeset	321
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	322 std::cerr << "warning: floating point exception" << std::endl;
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	323 }
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 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	326 catch_interrupts (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	327 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	328 interrupt_handler retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	329
25284 78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	330 retval.int_handler = set_signal_handler ("SIGINT", generic_sig_handler);
78fb24bdd8bb unblock async signals before executing subprocess (bug #53635) John W. Eaton <jwe@octave.org> parents: 25103 diff changeset	331 retval.brk_handler = set_signal_handler ("SIGBREAK", generic_sig_handler);
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	332
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	333 return retval;
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	334 }
1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	335
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	336 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	337 ignore_interrupts (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	338 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	339 interrupt_handler retval;
17958 1adf3710bb68 Working CTRL-C handling implementation for Win32. Michael Goffioul <michael.goffioul@gmail.com> parents: 17861 diff changeset	340
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	341 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	342 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	343
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	344 return retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	345 }
11555 f359cfc6e24d sighandlers.cc: wait for children in octave_signal_handler, not sigchld_handler John W. Eaton <jwe@octave.org> parents: 11525 diff changeset	346
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	347 interrupt_handler
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	348 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	349 bool restart_syscalls)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	350 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	351 interrupt_handler retval;
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	352
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	353 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	354 restart_syscalls);
5142 0f9108f298ab [project @ 2005-02-12 02:29:34 by jwe] jwe parents: 5128 diff changeset	355
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	356 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	357 restart_syscalls);
2536 1d63e820ee13 [project @ 1996-11-19 20:34:29 by jwe] jwe parents: 2512 diff changeset	358
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	359 return retval;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	360 }
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	361
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	362 // 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	363
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	364 void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	365 install_signal_handlers (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	366 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	367 if (! signals_caught)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	368 signals_caught = new bool [octave_num_signals ()];
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	369
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	370 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	371 signals_caught[i] = false;
3162 7c96e85c76db [project @ 1998-04-08 18:19:35 by jwe] jwe parents: 3018 diff changeset	372
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	373 // Interrupt signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	374
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	375 catch_interrupts ();
5144 25b090e1be9f [project @ 2005-02-15 12:06:05 by jwe] jwe parents: 5142 diff changeset	376
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	377 // Program Error signals. These are most likely unrecoverable for
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	378 // us.
1446 5135dac66704 [project @ 1995-09-19 22:34:06 by jwe] jwe parents: 1395 diff changeset	379
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	380 set_signal_handler ("SIGABRT", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	381 set_signal_handler ("SIGBUS", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	382 set_signal_handler ("SIGEMT", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	383 set_signal_handler ("SIGILL", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	384 // SIGIOT is normally another name for SIGABRT.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	385 set_signal_handler ("SIGIOT", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	386 set_signal_handler ("SIGSEGV", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	387 set_signal_handler ("SIGSYS", deadly_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	388 set_signal_handler ("SIGTRAP", deadly_sig_handler);
1230 92609e161b29 [project @ 1995-04-10 01:08:57 by jwe] jwe parents: 1009 diff changeset	389
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	390 // Handle SIGFPE separately.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	391
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	392 set_signal_handler ("SIGFPE", fpe_sig_handler);
3281 aaaa20d31a5f [project @ 1999-10-13 07:02:46 by jwe] jwe parents: 3252 diff changeset	393
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	394 // Handle other signals for which the default action is to terminate
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	395 // the program.
4172 2e94b2abfe6d [project @ 2002-11-12 21:14:04 by jwe] jwe parents: 4153 diff changeset	396
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	397 // Termination signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	398
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	399 set_signal_handler ("SIGHUP", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	400 set_signal_handler ("SIGQUIT", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	401 set_signal_handler ("SIGTERM", generic_sig_handler);
8658 73c4516fae10 New evaluator and debugger derived from tree-walker class John W. Eaton <jwe@octave.org> parents: 7481 diff changeset	402
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	403 // Alarm signals.
7481 78f3811155f7 use exceptions in liboctave error handler John W. Eaton <jwe@octave.org> parents: 7017 diff changeset	404
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	405 set_signal_handler ("SIGALRM", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	406 set_signal_handler ("SIGVTALRM", generic_sig_handler);
4793 a62215ab8a03 [project @ 2004-02-20 20:59:34 by jwe] jwe parents: 4791 diff changeset	407
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	408 // I/O signals.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	409
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	410 set_signal_handler ("SIGLOST", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	411 set_signal_handler ("SIGPIPE", generic_sig_handler);
4787 02c748eb2ddc [project @ 2004-02-18 21:20:26 by jwe] jwe parents: 4675 diff changeset	412
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	413 // Job control signals. We only recognize signals about child
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	414 // processes.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	415
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	416 set_signal_handler ("SIGCHLD", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	417 set_signal_handler ("SIGCLD", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	418
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	419 // Resource limit signals.
5451 ed08548b9054 [project @ 2005-09-15 19:52:50 by jwe] jwe parents: 5333 diff changeset	420
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	421 // FIXME: does it really make sense to try to handle the CPU limit
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	422 // signal?
1 78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe] jwe parents: diff changeset	423
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	424 set_signal_handler ("SIGXCPU", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	425 set_signal_handler ("SIGXFSZ", generic_sig_handler);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	426
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	427 // User signals.
2554 f7e3d23f0a8f [project @ 1996-11-21 01:41:57 by jwe] jwe parents: 2536 diff changeset	428
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	429 set_signal_handler ("SIGUSR1", generic_sig_handler);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	430 set_signal_handler ("SIGUSR2", generic_sig_handler);
2705 18395aaeafb7 [project @ 1997-02-20 04:56:43 by jwe] jwe parents: 2693 diff changeset	431
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	432 // This does nothing on Windows systems.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	433 octave_create_interrupt_watcher_thread (generic_sig_handler);
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	434 }
635 5338832d2cf6 [project @ 1994-08-23 17:57:20 by jwe] jwe parents: 529 diff changeset	435
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	436 static void
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	437 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	438 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	439 int signum;
21941 1d23b75cbcd1 hide signal.h from C++ sources John W. Eaton <jwe@octave.org> parents: 21938 diff changeset	440
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	441 // 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	442
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	443 if (octave_get_sig_number (signame, &signum))
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	444 m.assign (&signame[3], signum);
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	445 }
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	446
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	447 static octave_scalar_map
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	448 make_sig_struct (void)
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	449 {
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	450 octave_scalar_map m;
3174 390d5e396682 [project @ 1998-05-04 16:36:17 by jwe] jwe parents: 3162 diff changeset	451
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	452 set_sig_struct_field (m, "SIGABRT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	453 set_sig_struct_field (m, "SIGALRM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	454 set_sig_struct_field (m, "SIGBUS");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	455 set_sig_struct_field (m, "SIGCHLD");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	456 set_sig_struct_field (m, "SIGCLD");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	457 set_sig_struct_field (m, "SIGCONT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	458 set_sig_struct_field (m, "SIGEMT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	459 set_sig_struct_field (m, "SIGFPE");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	460 set_sig_struct_field (m, "SIGHUP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	461 set_sig_struct_field (m, "SIGILL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	462 set_sig_struct_field (m, "SIGINFO");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	463 set_sig_struct_field (m, "SIGINT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	464 set_sig_struct_field (m, "SIGIO");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	465 set_sig_struct_field (m, "SIGIOT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	466 set_sig_struct_field (m, "SIGKILL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	467 set_sig_struct_field (m, "SIGLOST");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	468 set_sig_struct_field (m, "SIGPIPE");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	469 set_sig_struct_field (m, "SIGPOLL");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	470 set_sig_struct_field (m, "SIGPROF");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	471 set_sig_struct_field (m, "SIGPWR");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	472 set_sig_struct_field (m, "SIGQUIT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	473 set_sig_struct_field (m, "SIGSEGV");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	474 set_sig_struct_field (m, "SIGSTKFLT");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	475 set_sig_struct_field (m, "SIGSTOP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	476 set_sig_struct_field (m, "SIGSYS");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	477 set_sig_struct_field (m, "SIGTERM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	478 set_sig_struct_field (m, "SIGTRAP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	479 set_sig_struct_field (m, "SIGTSTP");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	480 set_sig_struct_field (m, "SIGTTIN");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	481 set_sig_struct_field (m, "SIGTTOU");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	482 set_sig_struct_field (m, "SIGUNUSED");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	483 set_sig_struct_field (m, "SIGURG");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	484 set_sig_struct_field (m, "SIGUSR1");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	485 set_sig_struct_field (m, "SIGUSR2");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	486 set_sig_struct_field (m, "SIGVTALRM");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	487 set_sig_struct_field (m, "SIGWINCH");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	488 set_sig_struct_field (m, "SIGXCPU");
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	489 set_sig_struct_field (m, "SIGXFSZ");
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	490
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	491 return m;
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	492 }
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	493
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	494 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	495 doc: /* -- texinfo --
30888 32d2b6604a9f doc: Ensure documentation lists output argument when it exists for functions in libinterp/ Rik <rik@octave.org> parents: 30588 diff changeset	496 @deftypefn {} {@var{S} =} SIG ()
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	497 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	498 @end deftypefn */)
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	499 {
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	500 if (args.length () != 0)
5823 080c08b192d8 [project @ 2006-05-19 05:32:17 by jwe] jwe parents: 5794 diff changeset	501 print_usage ();
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	502
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29960 diff changeset	503 static octave_scalar_map m = make_sig_struct ();
20801 a542a9bf177e eliminate return statements after calls to print_usage John W. Eaton <jwe@octave.org> parents: 20791 diff changeset	504
20939 b17fda023ca6 maint: Use new C++ archetype in more files. Rik <rik@octave.org> parents: 20853 diff changeset	505 return ovl (m);
5780 cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	506 }
cbf717bf8150 [project @ 2006-04-27 20:02:30 by jwe] jwe parents: 5775 diff changeset	507
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	508 /*
14429 eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	509 %!assert (isstruct (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	510 %!assert (! isempty (SIG ()))
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	511
eff4a5933e28 Update %!tests in src/ directory with Octave coding conventions. Rik <octave@nomad.inbox5.com> parents: 14338 diff changeset	512 %!error SIG (1)
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	513 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	514
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	515 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	516 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	517 @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	518 @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val})
30588 ed17822e7662 doc: Always have a return value for functions which set internal variables (bug #61681) Rik <rik@octave.org> parents: 30564 diff changeset	519 @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val}, "local")
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	520 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	521 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	522 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	523
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	524 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	525 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	526
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	527 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	528 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	529 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	530 @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	531 @end deftypefn */)
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	532 {
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29960 diff changeset	533 return set_internal_variable (Vdebug_on_interrupt, args, nargout,
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	534 "debug_on_interrupt");
4449 e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	535 }
e2c91da0aa16 [project @ 2003-07-09 02:21:11 by jwe] jwe parents: 4429 diff changeset	536
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	537 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	538 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	539 %! orig_val = debug_on_interrupt ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	540 %! old_val = debug_on_interrupt (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	541 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	542 %! assert (debug_on_interrupt (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	543 %! debug_on_interrupt (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	544 %! 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	545
28930 2883b3d08b7e maint: Remove unnecessary parentheses bracketing %!error BIST tests. Rik <rik@octave.org> parents: 27923 diff changeset	546 %!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	547 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	548
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	549 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	550 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	551 @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	552 @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val})
30588 ed17822e7662 doc: Always have a return value for functions which set internal variables (bug #61681) Rik <rik@octave.org> parents: 30564 diff changeset	553 @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val}, "local")
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	554 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	555 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	556 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	557
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	558 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	559 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	560 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	561 @end deftypefn */)
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	562 {
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29960 diff changeset	563 return set_internal_variable (Vsighup_dumps_octave_core,
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	564 args, nargout,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	565 "sighup_dumps_octave_core");
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	566 }
4294 755f6509bb01 [project @ 2003-01-11 04:01:53 by jwe] jwe parents: 4233 diff changeset	567
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	568 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	569 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	570 %! orig_val = sighup_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	571 %! old_val = sighup_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	572 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	573 %! assert (sighup_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	574 %! sighup_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	575 %! 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	576
28930 2883b3d08b7e maint: Remove unnecessary parentheses bracketing %!error BIST tests. Rik <rik@octave.org> parents: 27923 diff changeset	577 %!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	578 */
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	579
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	580 DEFUN (sigquit_dumps_octave_core, args, nargout,
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	581 doc: /* -- texinfo --
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	582 @deftypefn {} {@var{val} =} sigquit_dumps_octave_core ()
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	583 @deftypefnx {} {@var{old_val} =} sigquit_dumps_octave_core (@var{new_val})
30588 ed17822e7662 doc: Always have a return value for functions which set internal variables (bug #61681) Rik <rik@octave.org> parents: 30564 diff changeset	584 @deftypefnx {} {@var{old_val} =} sigquit_dumps_octave_core (@var{new_val}, "local")
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	585 Query or set the internal variable that controls whether Octave tries
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	586 to save all current variables to the file @file{octave-workspace} if it
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	587 receives a quit signal.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	588
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	589 When called from inside a function with the @qcode{"local"} option, the
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	590 variable is changed locally for the function and any subroutines it calls.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	591 The original variable value is restored when exiting the function.
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	592 @end deftypefn */)
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	593 {
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29960 diff changeset	594 return set_internal_variable (Vsigquit_dumps_octave_core,
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	595 args, nargout,
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	596 "sigquit_dumps_octave_core");
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	597 }
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	598
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	599 /*
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	600 %!test
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	601 %! orig_val = sigquit_dumps_octave_core ();
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	602 %! old_val = sigquit_dumps_octave_core (! orig_val);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	603 %! assert (orig_val, old_val);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	604 %! assert (sigquit_dumps_octave_core (), ! orig_val);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	605 %! sigquit_dumps_octave_core (orig_val);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	606 %! assert (sigquit_dumps_octave_core (), orig_val);
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	607
28930 2883b3d08b7e maint: Remove unnecessary parentheses bracketing %!error BIST tests. Rik <rik@octave.org> parents: 27923 diff changeset	608 %!error sigquit_dumps_octave_core (1, 2)
24520 c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	609 */
c5c11b07598a refactor signal handling (bug #52757) John W. Eaton <jwe@octave.org> parents: 24118 diff changeset	610
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	611 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	612 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	613 @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	614 @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val})
30588 ed17822e7662 doc: Always have a return value for functions which set internal variables (bug #61681) Rik <rik@octave.org> parents: 30564 diff changeset	615 @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val}, "local")
21966 112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	616 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	617 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	618 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	619
112b20240c87 move docstrings in C++ files out of C strings and into comments John W. Eaton <jwe@octave.org> parents: 21941 diff changeset	620 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	621 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	622 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	623 @end deftypefn */)
5794 1138ced03f14 [project @ 2006-05-08 20:23:04 by jwe] jwe parents: 5780 diff changeset	624 {
29961 7d6709900da7 eliminate octave:: namespace tags in DEFUN and DEFMETHOD and more John W. Eaton <jwe@octave.org> parents: 29960 diff changeset	625 return set_internal_variable (Vsigterm_dumps_octave_core,
22051 6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	626 args, nargout,
6db928d06b07 move signal functions into octave namespace John W. Eaton <jwe@octave.org> parents: 22049 diff changeset	627 "sigterm_dumps_octave_core");
4185 8f6d418d31c3 [project @ 2002-11-15 23:22:03 by jwe] jwe parents: 4182 diff changeset	628 }
12827 8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	629
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	630 /*
8c6d71520920 codesprint: new tests for sysdep.cc functions John W. Eaton <jwe@octave.org> parents: 11586 diff changeset	631 %!test
12832 03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	632 %! orig_val = sigterm_dumps_octave_core ();
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	633 %! old_val = sigterm_dumps_octave_core (! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	634 %! assert (orig_val, old_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	635 %! assert (sigterm_dumps_octave_core (), ! orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	636 %! sigterm_dumps_octave_core (orig_val);
03f125c0fb7b codesprint: improve tests John W. Eaton <jwe@octave.org> parents: 12827 diff changeset	637 %! 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	638
28930 2883b3d08b7e maint: Remove unnecessary parentheses bracketing %!error BIST tests. Rik <rik@octave.org> parents: 27923 diff changeset	639 %!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	640 */
29958 32c3a5805893 move DEFUN and DEFMETHOD functions inside octave namespace John W. Eaton <jwe@octave.org> parents: 29359 diff changeset	641
31605 e88a07dec498 maint: Use macros to begin/end C++ namespaces. Rik <rik@octave.org> parents: 31105 diff changeset	642 OCTAVE_END_NAMESPACE(octave)

Mercurial > octave

annotate libinterp/corefcn/sighandlers.cc @ 31605:e88a07dec498 stable