system_signal_handling.c File Reference

#include "common/darktable.h"
#include "common/file_location.h"
#include "common/system_signal_handling.h"
#include <errno.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <limits.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/wait.h>

Include dependency graph for system_signal_handling.c:

Macros
#define	_NUM_SIGNALS_TO_PRESERVE   (sizeof(_signals_to_preserve) / sizeof(_signals_to_preserve[0]))
	defined (_WIN32)

Typedefs
typedef void()	dt_signal_handler_t(int)

Functions
static void	_dt_sigsegv_handler (int param)
void	dt_set_signal_handlers ()

Variables
static dt_signal_handler_t *	_dt_sigsegv_old_handler = NULL
static const int	_signals_to_preserve []
static dt_signal_handler_t *	_orig_sig_handlers [(sizeof(_signals_to_preserve)/sizeof(_signals_to_preserve[0]))] = { NULL }
static int	_times_handlers_were_set = 0

Macro Definition Documentation

_NUM_SIGNALS_TO_PRESERVE

#define _NUM_SIGNALS_TO_PRESERVE   (sizeof(_signals_to_preserve) / sizeof(_signals_to_preserve[0]))

defined (_WIN32)

Typedef Documentation

dt_signal_handler_t

typedef void() dt_signal_handler_t(int)

Function Documentation

_dt_sigsegv_handler()

static void _dt_sigsegv_handler ( int  param )

static

References _dt_sigsegv_old_handler, darktable, darktable_package_string, dt_loc_get_datadir(), FALSE, PATH_MAX, darktable_t::progname, and TRUE.

Referenced by dt_set_signal_handlers().

dt_set_signal_handlers()

void dt_set_signal_handlers

(

)

Todo:

: what about SIGABRT?

defined(APPLE) && !defined(_WIN32)

References _dt_sigsegv_handler(), _dt_sigsegv_old_handler, _NUM_SIGNALS_TO_PRESERVE, _orig_sig_handlers, _signals_to_preserve, _times_handlers_were_set, and void().

Referenced by dt_init().

Variable Documentation

_dt_sigsegv_old_handler

dt_signal_handler_t* _dt_sigsegv_old_handler = NULL

static

Referenced by _dt_sigsegv_handler(), and dt_set_signal_handlers().

_orig_sig_handlers

dt_signal_handler_t* _orig_sig_handlers[(sizeof(_signals_to_preserve)/sizeof(_signals_to_preserve[0]))] = { NULL }

static

Referenced by dt_set_signal_handlers().

_signals_to_preserve

const int _signals_to_preserve[]

static

Initial value:

= { SIGHUP,  SIGINT,  SIGQUIT, SIGILL,  SIGABRT, SIGBUS, SIGFPE,
                                            SIGPIPE, SIGALRM, SIGTERM, SIGCHLD, SIGXCPU, SIGXFSZ }

Referenced by dt_set_signal_handlers().

_times_handlers_were_set

int _times_handlers_were_set = 0

static

Referenced by dt_set_signal_handlers().