signal-wrappers.c File Reference

#include <sys/types.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include "signal-wrappers.h"

Include dependency graph for signal-wrappers.c:

Go to the source code of this file.

Classes
struct	sigset_info

Functions
static void	block_or_unblock_signal (int how, int sig)
static void	block_or_unblock_signal_by_name (int how, const char *signame)
void *	octave_alloc_signal_mask (void)
static const sigset_t *	octave_async_signals (void)
void	octave_block_async_signals (void)
void *	octave_block_child (void)
void	octave_block_interrupt_signal (void)
void	octave_block_signal_by_name (const char *signame)
void	octave_create_interrupt_watcher_thread (octave_sig_handler *handler)
void	octave_free_signal_mask (void *mask)
bool	octave_get_sig_number (const char *signame, int *signum)
void	octave_get_signal_mask (void *mask)
bool	octave_have_kill (void)
int	octave_kill_wrapper (pid_t pid, int signum)
int	octave_num_signals (void)
int	octave_raise_wrapper (int signum)
void	octave_restore_signal_mask (void)
void	octave_save_signal_mask (void)
octave_sig_handler *	octave_set_default_signal_handler (int sig)
octave_sig_handler *	octave_set_default_signal_handler_by_name (const char *signame)
octave_sig_handler *	octave_set_signal_handler_by_name (const char *signame, octave_sig_handler *handler, bool restart_syscalls)
octave_sig_handler *	octave_set_signal_handler_internal (int sig, octave_sig_handler *handler, bool restart_syscalls)
void	octave_set_signal_mask (void *mask)
void	octave_show_sigmask (const char *msg)
char *	octave_strsignal_wrapper (int signum)
void	octave_unblock_async_signals (void)
void	octave_unblock_child (void *context_arg)
void	octave_unblock_interrupt_signal (void)
void	octave_unblock_signal_by_name (const char *signame)
static int	print_sigmask (FILE *of, const char *msg)
static void	print_sigset (FILE *of, const char *prefix, const sigset_t *sigset)
static void *	signal_watcher (void *arg)

Variables
static sigset_t	octave_signal_mask

Function Documentation

block_or_unblock_signal()

static void block_or_unblock_signal ( int  how, int  sig  )

static

Definition at line 462 of file signal-wrappers.c.

Referenced by block_or_unblock_signal_by_name(), octave_block_interrupt_signal(), and octave_unblock_interrupt_signal().

block_or_unblock_signal_by_name()

static void block_or_unblock_signal_by_name ( int  how, const char *  signame  )

static

Definition at line 510 of file signal-wrappers.c.

References block_or_unblock_signal(), and octave_get_sig_number().

Referenced by octave_block_signal_by_name(), and octave_unblock_signal_by_name().

octave_alloc_signal_mask()

void* octave_alloc_signal_mask

(

void

)

Definition at line 553 of file signal-wrappers.c.

References malloc().

Referenced by get_signal_mask().

octave_async_signals()

static const sigset_t* octave_async_signals ( void  )

static

Definition at line 578 of file signal-wrappers.c.

Referenced by octave_block_async_signals(), octave_unblock_async_signals(), and signal_watcher().

octave_block_async_signals()

void octave_block_async_signals

(

void

)

Definition at line 662 of file signal-wrappers.c.

References octave_async_signals().

Referenced by main().

octave_block_child()

void* octave_block_child

(

void

)

Definition at line 420 of file signal-wrappers.c.

References octave::context, and malloc().

Referenced by octave::respond_to_pending_signals().

octave_block_interrupt_signal()

void octave_block_interrupt_signal

(

void

)

Definition at line 490 of file signal-wrappers.c.

References block_or_unblock_signal().

Referenced by octave::qt_application::execute().

octave_block_signal_by_name()

void octave_block_signal_by_name

(

const char *

signame

)

Definition at line 519 of file signal-wrappers.c.

References block_or_unblock_signal_by_name().

Referenced by main().

octave_create_interrupt_watcher_thread()

void octave_create_interrupt_watcher_thread

(

octave_sig_handler *

handler

)

Definition at line 710 of file signal-wrappers.c.

References octave_unblock_async_signals(), and signal_watcher().

Referenced by octave::install_signal_handlers().

octave_free_signal_mask()

void octave_free_signal_mask

(

void *

mask

)

Definition at line 559 of file signal-wrappers.c.

References free().

Referenced by restore_signal_mask().

octave_get_sig_number()

bool octave_get_sig_number	(	const char *	signame,
		int *	signum
	)

Definition at line 80 of file signal-wrappers.c.

References octave::math::signum(), and octave::string::strcmp().

Referenced by block_or_unblock_signal_by_name(), octave::generic_sig_handler(), octave_set_signal_handler_by_name(), octave::respond_to_pending_signals(), octave::set_sig_struct_field(), and octave::terminal_dock_widget::terminal_interrupt().

octave_get_signal_mask()

void octave_get_signal_mask

(

void *

mask

)

Definition at line 565 of file signal-wrappers.c.

Referenced by get_signal_mask().

octave_have_kill()

bool octave_have_kill

(

void

)

Definition at line 70 of file signal-wrappers.c.

Referenced by octave::sys::kill().

octave_kill_wrapper()

int octave_kill_wrapper	(	pid_t	pid,
		int	signum
	)

Definition at line 50 of file signal-wrappers.c.

References octave::sys::kill(), and octave::math::signum().

Referenced by octave::sys::kill(), main(), and octave::terminal_dock_widget::terminal_interrupt().

octave_num_signals()

int octave_num_signals

(

void

)

Definition at line 408 of file signal-wrappers.c.

Referenced by octave::install_signal_handlers(), and octave::respond_to_pending_signals().

octave_raise_wrapper()

int octave_raise_wrapper

(

int

signum

)

Definition at line 678 of file signal-wrappers.c.

References octave::math::signum().

Referenced by octave::deadly_sig_handler().

octave_restore_signal_mask()

void octave_restore_signal_mask

(

void

)

Definition at line 547 of file signal-wrappers.c.

References octave_signal_mask.

Referenced by octave::interpreter::recover_from_exception().

octave_save_signal_mask()

void octave_save_signal_mask

(

void

)

Definition at line 541 of file signal-wrappers.c.

References octave_signal_mask.

Referenced by octave::interpreter::initialize().

octave_set_default_signal_handler()

octave_sig_handler* octave_set_default_signal_handler

(

int

sig

)

Definition at line 396 of file signal-wrappers.c.

References octave_set_signal_handler_internal().

Referenced by octave::deadly_sig_handler().

octave_set_default_signal_handler_by_name()

octave_sig_handler* octave_set_default_signal_handler_by_name

(

const char *

signame

)

Definition at line 402 of file signal-wrappers.c.

References octave_set_signal_handler_by_name().

octave_set_signal_handler_by_name()

octave_sig_handler* octave_set_signal_handler_by_name	(	const char *	signame,
		octave_sig_handler *	handler,
		bool	restart_syscalls
	)

Definition at line 384 of file signal-wrappers.c.

References octave_get_sig_number(), and octave_set_signal_handler_internal().

Referenced by octave_set_default_signal_handler_by_name(), and octave::set_signal_handler().

octave_set_signal_handler_internal()

octave_sig_handler* octave_set_signal_handler_internal	(	int	sig,
		octave_sig_handler *	handler,
		bool	restart_syscalls
	)

Definition at line 350 of file signal-wrappers.c.

Referenced by octave_set_default_signal_handler(), octave_set_signal_handler_by_name(), and octave::set_signal_handler().

octave_set_signal_mask()

void octave_set_signal_mask

(

void *

mask

)

Definition at line 571 of file signal-wrappers.c.

Referenced by restore_signal_mask().

octave_show_sigmask()

void octave_show_sigmask

(

const char *

msg

)

Definition at line 767 of file signal-wrappers.c.

References print_sigmask().

octave_strsignal_wrapper()

char* octave_strsignal_wrapper

(

int

signum

)

Definition at line 64 of file signal-wrappers.c.

References octave::math::signum().

Referenced by octave::deadly_sig_handler(), octave::my_friendly_exit(), and octave::respond_to_pending_signals().

octave_unblock_async_signals()

void octave_unblock_async_signals

(

void

)

Definition at line 670 of file signal-wrappers.c.

References octave_async_signals().

Referenced by Fsystem(), main(), octave_create_interrupt_watcher_thread(), and signal_watcher().

octave_unblock_child()

void octave_unblock_child

(

void *

context_arg

)

Definition at line 449 of file signal-wrappers.c.

References octave::context, and free().

Referenced by octave::respond_to_pending_signals().

octave_unblock_interrupt_signal()

void octave_unblock_interrupt_signal

(

void

)

Definition at line 500 of file signal-wrappers.c.

References block_or_unblock_signal().

octave_unblock_signal_by_name()

void octave_unblock_signal_by_name

(

const char *

signame

)

Definition at line 525 of file signal-wrappers.c.

References block_or_unblock_signal_by_name().

Referenced by octave::interpreter::interpreter(), Fsystem(), and main().

print_sigmask()

static int print_sigmask ( FILE *  of, const char *  msg  )

static

Definition at line 750 of file signal-wrappers.c.

References print_sigset().

Referenced by octave_show_sigmask().

print_sigset()

static void print_sigset ( FILE *  of, const char *  prefix, const sigset_t *  sigset  )

static

Definition at line 729 of file signal-wrappers.c.

Referenced by print_sigmask().

signal_watcher()

static void* signal_watcher ( void *  arg )

static

Definition at line 685 of file signal-wrappers.c.

References octave_async_signals(), and octave_unblock_async_signals().

Referenced by octave_create_interrupt_watcher_thread().

Variable Documentation

octave_signal_mask

sigset_t octave_signal_mask

static

Definition at line 538 of file signal-wrappers.c.

Referenced by octave_restore_signal_mask(), and octave_save_signal_mask().