GNU Octave 7.1.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
Classes | Functions | Variables
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 465 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 513 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 556 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 581 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 665 of file signal-wrappers.c.

References octave_async_signals().

Referenced by main().

◆ octave_block_child()

void * octave_block_child ( void  )

Definition at line 423 of file signal-wrappers.c.

References malloc(), sigset_info::nvar, and sigset_info::ovar.

Referenced by respond_to_pending_signals().

◆ octave_block_interrupt_signal()

void octave_block_interrupt_signal ( void  )

Definition at line 493 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 522 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 713 of file signal-wrappers.c.

References octave_unblock_async_signals(), and signal_watcher().

Referenced by install_signal_handlers().

◆ octave_free_signal_mask()

void octave_free_signal_mask ( void *  mask)

Definition at line 562 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 83 of file signal-wrappers.c.

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

Referenced by block_or_unblock_signal_by_name(), generic_sig_handler(), interpreter::interrupt(), octave_set_signal_handler_by_name(), respond_to_pending_signals(), and set_sig_struct_field().

◆ octave_get_signal_mask()

void octave_get_signal_mask ( void *  mask)

Definition at line 568 of file signal-wrappers.c.

Referenced by get_signal_mask().

◆ octave_have_kill()

bool octave_have_kill ( void  )

Definition at line 73 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 interpreter::interrupt(), octave::sys::kill(), and main().

◆ octave_num_signals()

int octave_num_signals ( void  )

Definition at line 411 of file signal-wrappers.c.

Referenced by install_signal_handlers(), and respond_to_pending_signals().

◆ octave_raise_wrapper()

int octave_raise_wrapper ( int  signum)

Definition at line 681 of file signal-wrappers.c.

References octave::math::signum().

Referenced by deadly_sig_handler().

◆ octave_restore_signal_mask()

void octave_restore_signal_mask ( void  )

Definition at line 550 of file signal-wrappers.c.

References octave_signal_mask.

Referenced by interpreter::recover_from_exception().

◆ octave_save_signal_mask()

void octave_save_signal_mask ( void  )

Definition at line 544 of file signal-wrappers.c.

References octave_signal_mask.

Referenced by interpreter::initialize().

◆ octave_set_default_signal_handler()

octave_sig_handler * octave_set_default_signal_handler ( int  sig)

Definition at line 399 of file signal-wrappers.c.

References octave_set_signal_handler_internal().

Referenced by 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 405 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 387 of file signal-wrappers.c.

References octave_get_sig_number(), and octave_set_signal_handler_internal().

Referenced by gui_driver_set_signal_handler(), octave_set_default_signal_handler_by_name(), and 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 353 of file signal-wrappers.c.

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

◆ octave_set_signal_mask()

void octave_set_signal_mask ( void *  mask)

Definition at line 574 of file signal-wrappers.c.

Referenced by restore_signal_mask().

◆ octave_show_sigmask()

void octave_show_sigmask ( const char *  msg)

Definition at line 770 of file signal-wrappers.c.

References print_sigmask().

◆ octave_strsignal_wrapper()

char * octave_strsignal_wrapper ( int  signum)

Definition at line 67 of file signal-wrappers.c.

References octave::math::signum().

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

◆ octave_unblock_async_signals()

void octave_unblock_async_signals ( void  )

Definition at line 673 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 452 of file signal-wrappers.c.

References free(), and sigset_info::ovar.

Referenced by respond_to_pending_signals().

◆ octave_unblock_interrupt_signal()

void octave_unblock_interrupt_signal ( void  )

Definition at line 503 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 528 of file signal-wrappers.c.

References block_or_unblock_signal_by_name().

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

◆ print_sigmask()

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

Definition at line 753 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 732 of file signal-wrappers.c.

Referenced by print_sigmask().

◆ signal_watcher()

static void * signal_watcher ( void *  arg)
static

Definition at line 688 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 541 of file signal-wrappers.c.

Referenced by octave_restore_signal_mask(), and octave_save_signal_mask().