system_signal_handling.c File Reference

#include "system/mem_alloc.h"
#include "common/sentry.h"
#include "common/system_signal_handling.h"
#include <errno.h>
#include <fcntl.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/prctl.h>
#include <exchndl.h>

Include dependency graph for system_signal_handling.c:

Go to the source code of this file.

Macros
#define	PR_SET_PTRACER   0x59616d61
#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 LONG WINAPI	dt_toplevel_exception_handler (PEXCEPTION_POINTERS pExceptionInfo)
void	dt_set_unhandled_exception_handler_win ()
void	dt_set_signal_handlers ()

Variables
static const int	_signals_to_preserve [] = { SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM }
static LPTOP_LEVEL_EXCEPTION_FILTER	_dt_exceptionfilter_old_handler = NULL
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)

Definition at line 76 of file system_signal_handling.c.

PR_SET_PTRACER

#define PR_SET_PTRACER   0x59616d61

Definition at line 55 of file system_signal_handling.c.

Typedef Documentation

dt_signal_handler_t

typedef void() dt_signal_handler_t(int)

Definition at line 58 of file system_signal_handling.c.

Function Documentation

dt_set_signal_handlers()

void dt_set_signal_handlers

(

)

defined(APPLE) && !defined(_WIN32)

Definition at line 258 of file system_signal_handling.c.

References _dt_exceptionfilter_old_handler, _NUM_SIGNALS_TO_PRESERVE, _orig_sig_handlers, _signals_to_preserve, _times_handlers_were_set, dt_set_unhandled_exception_handler_win(), dt_toplevel_exception_handler(), i, and void().

Referenced by dt_init().

dt_set_unhandled_exception_handler_win()

void dt_set_unhandled_exception_handler_win

(

)

Definition at line 250 of file system_signal_handling.c.

Referenced by dt_set_signal_handlers().

dt_toplevel_exception_handler()

static LONG WINAPI dt_toplevel_exception_handler ( PEXCEPTION_POINTERS  pExceptionInfo )

static

Definition at line 203 of file system_signal_handling.c.

References _dt_exceptionfilter_old_handler, darktable_package_string, dt_free, dt_sentry_backtrace_captured(), and L.

Referenced by dt_set_signal_handlers().

Variable Documentation

_dt_exceptionfilter_old_handler

LPTOP_LEVEL_EXCEPTION_FILTER _dt_exceptionfilter_old_handler = NULL

static

Definition at line 73 of file system_signal_handling.c.

Referenced by dt_set_signal_handlers(), and dt_toplevel_exception_handler().

_orig_sig_handlers

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

static

Definition at line 77 of file system_signal_handling.c.

Referenced by dt_set_signal_handlers().

_signals_to_preserve

const int _signals_to_preserve[] = { SIGABRT, SIGFPE, SIGILL, SIGINT, SIGSEGV, SIGTERM }

static

Definition at line 72 of file system_signal_handling.c.

Referenced by dt_set_signal_handlers().

_times_handlers_were_set

int _times_handlers_were_set = 0

static

Definition at line 199 of file system_signal_handling.c.

Referenced by dt_set_signal_handlers().