Mercurial > octave
view libinterp/corefcn/sighandlers.cc @ 31607:aac27ad79be6 stable
maint: Re-indent code after switch to using namespace macros.
* build-env.h, build-env.in.cc, Cell.h, __betainc__.cc, __eigs__.cc,
__ftp__.cc, __ichol__.cc, __ilu__.cc, __isprimelarge__.cc, __magick_read__.cc,
__pchip_deriv__.cc, amd.cc, base-text-renderer.cc, base-text-renderer.h,
besselj.cc, bitfcns.cc, bsxfun.cc, c-file-ptr-stream.h, call-stack.cc,
call-stack.h, ccolamd.cc, cellfun.cc, chol.cc, colamd.cc, dasrt.cc, data.cc,
debug.cc, defaults.cc, defaults.h, det.cc, display.cc, display.h, dlmread.cc,
dynamic-ld.cc, dynamic-ld.h, 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,
file-io.cc, filter.cc, find.cc, ft-text-renderer.cc, ft-text-renderer.h,
gcd.cc, gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h,
graphics-toolkit.cc, graphics-toolkit.h, graphics.cc, gsvd.cc, gtk-manager.cc,
gtk-manager.h, help.cc, help.h, 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, latex-text-renderer.cc,
latex-text-renderer.h, load-path.cc, load-path.h, load-save.cc, load-save.h,
lookup.cc, ls-hdf5.cc, ls-mat4.cc, ls-mat5.cc, lsode.cc, lu.cc, mappers.cc,
matrix_type.cc, max.cc, mex.cc, mexproto.h, mxarray.h, mxtypes.in.h,
oct-errno.in.cc, oct-hdf5-types.cc, oct-hist.cc, oct-hist.h, oct-map.cc,
oct-map.h, oct-opengl.h, oct-prcstrm.h, oct-process.cc, oct-process.h,
oct-stdstrm.h, oct-stream.cc, oct-stream.h, oct-strstrm.h,
octave-default-image.h, ordqz.cc, ordschur.cc, pager.cc, pager.h, pinv.cc,
pow2.cc, pr-output.cc, psi.cc, qr.cc, quadcc.cc, rand.cc, regexp.cc,
settings.cc, settings.h, sighandlers.cc, sighandlers.h, sparse-xpow.cc,
sqrtm.cc, stack-frame.cc, stack-frame.h, stream-euler.cc, strfns.cc, svd.cc,
syminfo.cc, syminfo.h, symrcm.cc, symrec.cc, symrec.h, symscope.cc, symscope.h,
symtab.cc, symtab.h, sysdep.cc, sysdep.h, text-engine.cc, text-engine.h,
text-renderer.cc, text-renderer.h, time.cc, toplev.cc, typecast.cc,
url-handle-manager.cc, url-handle-manager.h, urlwrite.cc, utils.cc, utils.h,
variables.cc, variables.h, xdiv.cc, __delaunayn__.cc, __init_fltk__.cc,
__init_gnuplot__.cc, __ode15__.cc, __voronoi__.cc, audioread.cc, convhulln.cc,
gzip.cc, 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-diag.cc, ov-base-int.cc, ov-base-mat.cc,
ov-base-mat.h, ov-base-scalar.cc, ov-base.cc, ov-base.h, ov-bool-mat.cc,
ov-bool-mat.h, ov-bool-sparse.cc, ov-bool.cc, ov-builtin.h, ov-cell.cc,
ov-ch-mat.cc, ov-class.cc, ov-class.h, ov-classdef.cc, ov-classdef.h,
ov-complex.cc, ov-cx-diag.cc, ov-cx-mat.cc, ov-cx-sparse.cc, ov-dld-fcn.cc,
ov-dld-fcn.h, ov-fcn-handle.cc, ov-fcn-handle.h, ov-fcn.h, ov-float.cc,
ov-flt-complex.cc, ov-flt-cx-diag.cc, ov-flt-cx-mat.cc, ov-flt-re-diag.cc,
ov-flt-re-mat.cc, ov-flt-re-mat.h, ov-intx.h, ov-java.cc, ov-lazy-idx.cc,
ov-legacy-range.cc, ov-magic-int.cc, ov-mex-fcn.cc, ov-mex-fcn.h,
ov-null-mat.cc, ov-perm.cc, ov-range.cc, ov-re-diag.cc, ov-re-mat.cc,
ov-re-mat.h, ov-re-sparse.cc, ov-scalar.cc, ov-str-mat.cc, ov-struct.cc,
ov-typeinfo.cc, ov-typeinfo.h, ov-usr-fcn.cc, ov-usr-fcn.h, ov.cc, ov.h, ovl.h,
octave.cc, octave.h, op-b-sbm.cc, op-bm-sbm.cc, op-cs-scm.cc, op-fm-fcm.cc,
op-fs-fcm.cc, op-s-scm.cc, op-scm-cs.cc, op-scm-s.cc, op-sm-cs.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, oct-lvalue.cc, oct-lvalue.h,
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-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:
Re-indent code after switch to using namespace macros.
author | Rik <rik@octave.org> |
---|---|
date | Thu, 01 Dec 2022 18:02:15 -0800 |
parents | e88a07dec498 |
children | d9970470108a |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1993-2022 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if defined (HAVE_CONFIG_H) # include "config.h" #endif #include <csignal> #include <cstdlib> #include <iostream> #include <new> #if defined (OCTAVE_USE_WINDOWS_API) # define WIN32_LEAN_AND_MEAN # include <windows.h> #endif #include "child-list.h" #include "cmd-edit.h" #include "oct-syscalls.h" #include "quit.h" #include "signal-wrappers.h" #include "defun.h" #include "error.h" #include "input.h" #include "interpreter-private.h" #include "interpreter.h" #include "load-save.h" #include "octave.h" #include "oct-map.h" #include "pager.h" #include "sighandlers.h" #include "sysdep.h" #include "utils.h" #include "variables.h" OCTAVE_BEGIN_NAMESPACE(octave) // Nonzero means we have already printed a message for this series of // SIGPIPES. We assume that the writer will eventually give up. int pipe_handler_error_count = 0; // TRUE means we can be interrupted. bool can_interrupt = false; // TRUE means we should try to enter the debugger on SIGINT. bool Vdebug_on_interrupt = false; // Allow users to avoid writing octave-workspace for SIGHUP (sent by // closing gnome-terminal, for example). Note that this variable has // no effect if Vcrash_dumps_octave_core is FALSE. static bool Vsighup_dumps_octave_core = true; // Similar to Vsighup_dumps_octave_core, but for SIGQUIT signal. static bool Vsigquit_dumps_octave_core = true; // Similar to Vsighup_dumps_octave_core, but for SIGTERM signal. static bool Vsigterm_dumps_octave_core = true; // List of signals we have caught since last call to signal_handler. static bool *signals_caught = nullptr; static void my_friendly_exit (int sig, bool save_vars = true) { std::cerr << "fatal: caught signal " << octave_strsignal_wrapper (sig) << " -- stopping myself..." << std::endl; if (save_vars) { load_save_system& load_save_sys = __get_load_save_system__ (); load_save_sys.dump_octave_core (); } sysdep_cleanup (); throw exit_exception (1); } // Called from octave_quit () to actually do something about the signals // we have caught. void respond_to_pending_signals (void) { // The list of signals is relatively short, so we will just go // linearly through the list. // Interrupt signals are currently handled separately. static int sigint; static const bool have_sigint = octave_get_sig_number ("SIGINT", &sigint); static int sigbreak; static const bool have_sigbreak = octave_get_sig_number ("SIGBREAK", &sigbreak); // Termination signals. static int sighup; static const bool have_sighup = octave_get_sig_number ("SIGHUP", &sighup); static int sigquit; static const bool have_sigquit = octave_get_sig_number ("SIGQUIT", &sigquit); static int sigterm; static const bool have_sigterm = octave_get_sig_number ("SIGTERM", &sigterm); // Alarm signals. static int sigalrm; static const bool have_sigalrm = octave_get_sig_number ("SIGALRM", &sigalrm); static int sigvtalrm; static const bool have_sigvtalrm = octave_get_sig_number ("SIGVTALRM", &sigvtalrm); // I/O signals. static int sigio; static const bool have_sigio = octave_get_sig_number ("SIGIO", &sigio); static int siglost; static const bool have_siglost = octave_get_sig_number ("SIGLOST", &siglost); static int sigpipe; static const bool have_sigpipe = octave_get_sig_number ("SIGPIPE", &sigpipe); // Job control signals. static int sigchld; static const bool have_sigchld = octave_get_sig_number ("SIGCHLD", &sigchld); static int sigcld; static const bool have_sigcld = octave_get_sig_number ("SIGCLD", &sigcld); // Resource limit signals. static int sigxcpu; static const bool have_sigxcpu = octave_get_sig_number ("SIGXCPU", &sigxcpu); static int sigxfsz; static const bool have_sigxfsz = octave_get_sig_number ("SIGXFSZ", &sigxfsz); // User signals. static int sigusr1; static const bool have_sigusr1 = octave_get_sig_number ("SIGUSR1", &sigusr1); static int sigusr2; static const bool have_sigusr2 = octave_get_sig_number ("SIGUSR2", &sigusr2); child_list& kids = __get_child_list__ (); for (int sig = 0; sig < octave_num_signals (); sig++) { if (signals_caught[sig]) { signals_caught[sig] = false; if ((have_sigchld && sig == sigchld) || (have_sigcld && sig == sigcld)) { // FIXME: should we block or ignore? volatile interrupt_handler saved_interrupt_handler = ignore_interrupts (); void *context = octave_block_child (); kids.wait (); set_interrupt_handler (saved_interrupt_handler); octave_unblock_child (context); kids.reap (); } else if (have_sigpipe && sig == sigpipe) { std::cerr << "warning: broken pipe" << std::endl; // Don't loop forever on account of this. // FIXME: is this really needed? Does it do anything // useful now? if (pipe_handler_error_count++ > 100 && octave_interrupt_state >= 0) octave_interrupt_state++; } else if (have_sighup && sig == sighup) my_friendly_exit (sighup, Vsighup_dumps_octave_core); else if (have_sigquit && sig == sigquit) my_friendly_exit (sigquit, Vsigquit_dumps_octave_core); else if (have_sigterm && sig == sigterm) my_friendly_exit (sigterm, Vsigterm_dumps_octave_core); else if ((have_sigalrm && sig == sigalrm) || (have_sigvtalrm && sig == sigvtalrm) || (have_sigio && sig == sigio) || (have_siglost && sig == siglost) || (have_sigxcpu && sig == sigxcpu) || (have_sigxfsz && sig == sigxfsz) || (have_sigusr1 && sig == sigusr1) || (have_sigusr2 && sig == sigusr2)) std::cerr << "warning: ignoring signal: " << octave_strsignal_wrapper (sig) << std::endl; else if ((have_sigint && sig == sigint) || (have_sigbreak && sig == sigbreak)) ; // Handled separately; do nothing. else std::cerr << "warning: ignoring unexpected signal: " << octave_strsignal_wrapper (sig) << std::endl; } } } sig_handler * set_signal_handler (int sig, sig_handler *handler, bool restart_syscalls) { return octave_set_signal_handler_internal (sig, handler, restart_syscalls); } sig_handler * set_signal_handler (const char *signame, sig_handler *handler, bool restart_syscalls) { return octave_set_signal_handler_by_name (signame, handler, restart_syscalls); } static void generic_sig_handler (int sig) { // FIXME: this function may execute in a separate signal handler or // signal watcher thread so it should probably be more careful about // how it accesses global objects. octave_signal_caught = 1; signals_caught[sig] = true; static int sigint; static const bool have_sigint = octave_get_sig_number ("SIGINT", &sigint); static int sigbreak; static const bool have_sigbreak = octave_get_sig_number ("SIGBREAK", &sigbreak); if ((have_sigint && sig == sigint) || (have_sigbreak && sig == sigbreak)) { if (! octave_initialized) exit (1); if (can_interrupt) { octave_signal_caught = 1; octave_interrupt_state++; } } } static void deadly_sig_handler (int sig) { std::cerr << "fatal: caught signal " << octave_strsignal_wrapper (sig) << " -- stopping myself..." << std::endl; octave_set_default_signal_handler (sig); octave_raise_wrapper (sig); } static void fpe_sig_handler (int) { // FIXME: is there something better we can do? std::cerr << "warning: floating point exception" << std::endl; } interrupt_handler catch_interrupts (void) { interrupt_handler retval; retval.int_handler = set_signal_handler ("SIGINT", generic_sig_handler); retval.brk_handler = set_signal_handler ("SIGBREAK", generic_sig_handler); return retval; } interrupt_handler ignore_interrupts (void) { interrupt_handler retval; retval.int_handler = set_signal_handler ("SIGINT", SIG_IGN); retval.brk_handler = set_signal_handler ("SIGBREAK", SIG_IGN); return retval; } interrupt_handler set_interrupt_handler (const volatile interrupt_handler& h, bool restart_syscalls) { interrupt_handler retval; retval.int_handler = set_signal_handler ("SIGINT", h.int_handler, restart_syscalls); retval.brk_handler = set_signal_handler ("SIGBREAK", h.brk_handler, restart_syscalls); return retval; } // Install all the handlers for the signals we might care about. void install_signal_handlers (void) { if (! signals_caught) signals_caught = new bool [octave_num_signals ()]; for (int i = 0; i < octave_num_signals (); i++) signals_caught[i] = false; // Interrupt signals. catch_interrupts (); // Program Error signals. These are most likely unrecoverable for // us. set_signal_handler ("SIGABRT", deadly_sig_handler); set_signal_handler ("SIGBUS", deadly_sig_handler); set_signal_handler ("SIGEMT", deadly_sig_handler); set_signal_handler ("SIGILL", deadly_sig_handler); // SIGIOT is normally another name for SIGABRT. set_signal_handler ("SIGIOT", deadly_sig_handler); set_signal_handler ("SIGSEGV", deadly_sig_handler); set_signal_handler ("SIGSYS", deadly_sig_handler); set_signal_handler ("SIGTRAP", deadly_sig_handler); // Handle SIGFPE separately. set_signal_handler ("SIGFPE", fpe_sig_handler); // Handle other signals for which the default action is to terminate // the program. // Termination signals. set_signal_handler ("SIGHUP", generic_sig_handler); set_signal_handler ("SIGQUIT", generic_sig_handler); set_signal_handler ("SIGTERM", generic_sig_handler); // Alarm signals. set_signal_handler ("SIGALRM", generic_sig_handler); set_signal_handler ("SIGVTALRM", generic_sig_handler); // I/O signals. set_signal_handler ("SIGLOST", generic_sig_handler); set_signal_handler ("SIGPIPE", generic_sig_handler); // Job control signals. We only recognize signals about child // processes. set_signal_handler ("SIGCHLD", generic_sig_handler); set_signal_handler ("SIGCLD", generic_sig_handler); // Resource limit signals. // FIXME: does it really make sense to try to handle the CPU limit // signal? set_signal_handler ("SIGXCPU", generic_sig_handler); set_signal_handler ("SIGXFSZ", generic_sig_handler); // User signals. set_signal_handler ("SIGUSR1", generic_sig_handler); set_signal_handler ("SIGUSR2", generic_sig_handler); // This does nothing on Windows systems. octave_create_interrupt_watcher_thread (generic_sig_handler); } static void set_sig_struct_field (octave_scalar_map& m, const char *signame) { int signum; // The names in the struct do not include the leading "SIG" prefix. if (octave_get_sig_number (signame, &signum)) m.assign (&signame[3], signum); } static octave_scalar_map make_sig_struct (void) { octave_scalar_map m; set_sig_struct_field (m, "SIGABRT"); set_sig_struct_field (m, "SIGALRM"); set_sig_struct_field (m, "SIGBUS"); set_sig_struct_field (m, "SIGCHLD"); set_sig_struct_field (m, "SIGCLD"); set_sig_struct_field (m, "SIGCONT"); set_sig_struct_field (m, "SIGEMT"); set_sig_struct_field (m, "SIGFPE"); set_sig_struct_field (m, "SIGHUP"); set_sig_struct_field (m, "SIGILL"); set_sig_struct_field (m, "SIGINFO"); set_sig_struct_field (m, "SIGINT"); set_sig_struct_field (m, "SIGIO"); set_sig_struct_field (m, "SIGIOT"); set_sig_struct_field (m, "SIGKILL"); set_sig_struct_field (m, "SIGLOST"); set_sig_struct_field (m, "SIGPIPE"); set_sig_struct_field (m, "SIGPOLL"); set_sig_struct_field (m, "SIGPROF"); set_sig_struct_field (m, "SIGPWR"); set_sig_struct_field (m, "SIGQUIT"); set_sig_struct_field (m, "SIGSEGV"); set_sig_struct_field (m, "SIGSTKFLT"); set_sig_struct_field (m, "SIGSTOP"); set_sig_struct_field (m, "SIGSYS"); set_sig_struct_field (m, "SIGTERM"); set_sig_struct_field (m, "SIGTRAP"); set_sig_struct_field (m, "SIGTSTP"); set_sig_struct_field (m, "SIGTTIN"); set_sig_struct_field (m, "SIGTTOU"); set_sig_struct_field (m, "SIGUNUSED"); set_sig_struct_field (m, "SIGURG"); set_sig_struct_field (m, "SIGUSR1"); set_sig_struct_field (m, "SIGUSR2"); set_sig_struct_field (m, "SIGVTALRM"); set_sig_struct_field (m, "SIGWINCH"); set_sig_struct_field (m, "SIGXCPU"); set_sig_struct_field (m, "SIGXFSZ"); return m; } DEFUN (SIG, args, , doc: /* -*- texinfo -*- @deftypefn {} {@var{S} =} SIG () Return a structure containing Unix signal names and their defined values. @end deftypefn */) { if (args.length () != 0) print_usage (); static octave_scalar_map m = make_sig_struct (); return ovl (m); } /* %!assert (isstruct (SIG ())) %!assert (! isempty (SIG ())) %!error SIG (1) */ DEFUN (debug_on_interrupt, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} debug_on_interrupt () @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val}) @deftypefnx {} {@var{old_val} =} debug_on_interrupt (@var{new_val}, "local") Query or set the internal variable that controls whether Octave will try to enter debugging mode when it receives an interrupt signal (typically generated with @kbd{C-c}). If a second interrupt signal is received before reaching the debugging mode, a normal interrupt will occur. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @seealso{debug_on_error, debug_on_warning} @end deftypefn */) { return set_internal_variable (Vdebug_on_interrupt, args, nargout, "debug_on_interrupt"); } /* %!test %! orig_val = debug_on_interrupt (); %! old_val = debug_on_interrupt (! orig_val); %! assert (orig_val, old_val); %! assert (debug_on_interrupt (), ! orig_val); %! debug_on_interrupt (orig_val); %! assert (debug_on_interrupt (), orig_val); %!error debug_on_interrupt (1, 2) */ DEFUN (sighup_dumps_octave_core, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} sighup_dumps_octave_core () @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val}) @deftypefnx {} {@var{old_val} =} sighup_dumps_octave_core (@var{new_val}, "local") Query or set the internal variable that controls whether Octave tries to save all current variables to the file @file{octave-workspace} if it receives a hangup signal. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @end deftypefn */) { return set_internal_variable (Vsighup_dumps_octave_core, args, nargout, "sighup_dumps_octave_core"); } /* %!test %! orig_val = sighup_dumps_octave_core (); %! old_val = sighup_dumps_octave_core (! orig_val); %! assert (orig_val, old_val); %! assert (sighup_dumps_octave_core (), ! orig_val); %! sighup_dumps_octave_core (orig_val); %! assert (sighup_dumps_octave_core (), orig_val); %!error sighup_dumps_octave_core (1, 2) */ DEFUN (sigquit_dumps_octave_core, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} sigquit_dumps_octave_core () @deftypefnx {} {@var{old_val} =} sigquit_dumps_octave_core (@var{new_val}) @deftypefnx {} {@var{old_val} =} sigquit_dumps_octave_core (@var{new_val}, "local") Query or set the internal variable that controls whether Octave tries to save all current variables to the file @file{octave-workspace} if it receives a quit signal. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @end deftypefn */) { return set_internal_variable (Vsigquit_dumps_octave_core, args, nargout, "sigquit_dumps_octave_core"); } /* %!test %! orig_val = sigquit_dumps_octave_core (); %! old_val = sigquit_dumps_octave_core (! orig_val); %! assert (orig_val, old_val); %! assert (sigquit_dumps_octave_core (), ! orig_val); %! sigquit_dumps_octave_core (orig_val); %! assert (sigquit_dumps_octave_core (), orig_val); %!error sigquit_dumps_octave_core (1, 2) */ DEFUN (sigterm_dumps_octave_core, args, nargout, doc: /* -*- texinfo -*- @deftypefn {} {@var{val} =} sigterm_dumps_octave_core () @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val}) @deftypefnx {} {@var{old_val} =} sigterm_dumps_octave_core (@var{new_val}, "local") Query or set the internal variable that controls whether Octave tries to save all current variables to the file @file{octave-workspace} if it receives a terminate signal. When called from inside a function with the @qcode{"local"} option, the variable is changed locally for the function and any subroutines it calls. The original variable value is restored when exiting the function. @end deftypefn */) { return set_internal_variable (Vsigterm_dumps_octave_core, args, nargout, "sigterm_dumps_octave_core"); } /* %!test %! orig_val = sigterm_dumps_octave_core (); %! old_val = sigterm_dumps_octave_core (! orig_val); %! assert (orig_val, old_val); %! assert (sigterm_dumps_octave_core (), ! orig_val); %! sigterm_dumps_octave_core (orig_val); %! assert (sigterm_dumps_octave_core (), orig_val); %!error sigterm_dumps_octave_core (1, 2) */ OCTAVE_END_NAMESPACE(octave)