sighandlers.cc File Reference

#include <atomic>
#include <csignal>
#include <cstdlib>
#include <iostream>
#include <new>
#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"

Go to the source code of this file.

Functions
interrupt_handler	catch_interrupts ()
octave_value_list	Fdebug_on_interrupt (const octave_value_list &args, int nargout)
octave_value_list	FSIG (const octave_value_list &args, int)
octave_value_list	Fsighup_dumps_octave_core (const octave_value_list &args, int nargout)
octave_value_list	Fsigquit_dumps_octave_core (const octave_value_list &args, int nargout)
octave_value_list	Fsigterm_dumps_octave_core (const octave_value_list &args, int nargout)
interrupt_handler	ignore_interrupts ()
void	install_signal_handlers ()
void	respond_to_pending_signals ()
interrupt_handler	set_interrupt_handler (const interrupt_handler &h, bool restart_syscalls)
sig_handler *	set_signal_handler (const char *signame, sig_handler *handler, bool restart_syscalls)
sig_handler *	set_signal_handler (int sig, sig_handler *handler, bool restart_syscalls)

Variables
std::atomic< bool >	can_interrupt {false}
int	pipe_handler_error_count = 0
bool	Vdebug_on_interrupt = false

Function Documentation

catch_interrupts()

interrupt_handler catch_interrupts

(

)

Definition at line 326 of file sighandlers.cc.

References interrupt_handler::brk_handler, interrupt_handler::int_handler, and set_signal_handler().

Referenced by interpreter::initialize(), install_signal_handlers(), and interpreter::recover_from_exception().

Fdebug_on_interrupt()

octave_value_list Fdebug_on_interrupt	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 530 of file sighandlers.cc.

References set_internal_variable(), and Vdebug_on_interrupt.

FSIG()

octave_value_list FSIG	(	const octave_value_list &	args,
		int
	)

Definition at line 497 of file sighandlers.cc.

References ovl(), and print_usage().

Fsighup_dumps_octave_core()

octave_value_list Fsighup_dumps_octave_core	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 560 of file sighandlers.cc.

References set_internal_variable().

Fsigquit_dumps_octave_core()

octave_value_list Fsigquit_dumps_octave_core	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 591 of file sighandlers.cc.

References set_internal_variable().

Fsigterm_dumps_octave_core()

octave_value_list Fsigterm_dumps_octave_core	(	const octave_value_list &	args,
		int	nargout
	)

Definition at line 622 of file sighandlers.cc.

References set_internal_variable().

ignore_interrupts()

interrupt_handler ignore_interrupts

(

)

Definition at line 337 of file sighandlers.cc.

References interrupt_handler::brk_handler, interrupt_handler::int_handler, and set_signal_handler().

Referenced by history_system::do_edit_history(), kbhit(), and respond_to_pending_signals().

install_signal_handlers()

void install_signal_handlers

(

)

Definition at line 364 of file sighandlers.cc.

References catch_interrupts(), octave_create_interrupt_watcher_thread(), octave_num_signals(), and set_signal_handler().

Referenced by interpreter::interpreter().

respond_to_pending_signals()

void respond_to_pending_signals

(

)

Definition at line 111 of file sighandlers.cc.

References __get_child_list__(), ignore_interrupts(), octave_block_child(), octave_get_sig_number(), octave_interrupt_state, octave_num_signals(), octave_strsignal_wrapper(), octave_unblock_child(), pipe_handler_error_count, child_list::reap(), set_interrupt_handler(), and child_list::wait().

Referenced by interpreter::initialize().

set_interrupt_handler()

interrupt_handler set_interrupt_handler	(	const interrupt_handler &	h,
		bool	restart_syscalls
	)

Definition at line 348 of file sighandlers.cc.

References interrupt_handler::brk_handler, interrupt_handler::int_handler, and set_signal_handler().

Referenced by history_system::do_edit_history(), kbhit(), and respond_to_pending_signals().

set_signal_handler() [1/2]

sig_handler * set_signal_handler	(	const char *	signame,
		sig_handler *	handler,
		bool	restart_syscalls
	)

Definition at line 265 of file sighandlers.cc.

References octave_set_signal_handler_by_name().

set_signal_handler() [2/2]

sig_handler * set_signal_handler	(	int	sig,
		sig_handler *	handler,
		bool	restart_syscalls
	)

Definition at line 259 of file sighandlers.cc.

References octave_set_signal_handler_internal().

Referenced by catch_interrupts(), ignore_interrupts(), install_signal_handlers(), and set_interrupt_handler().

Variable Documentation

can_interrupt

std::atomic<bool> can_interrupt {false}

Definition at line 69 of file sighandlers.cc.

Referenced by interpreter::initialize(), and interpreter::recover_from_exception().

pipe_handler_error_count

int pipe_handler_error_count = 0

Definition at line 66 of file sighandlers.cc.

Referenced by respond_to_pending_signals().

Vdebug_on_interrupt

bool Vdebug_on_interrupt = false

Definition at line 72 of file sighandlers.cc.

Referenced by bp_table::dbclear_all_signals(), bp_table::dbstop_process_map_args(), Fdebug_on_interrupt(), bp_table::parse_dbfunction_params(), and bp_table::stop_on_err_warn_status().