1c3e02257c
[INTERPRETER] * OPT: Signal handlers are now checked only if requested explicitly by a component. [GB.GTK] * NEW: Request SIGCHLD handler check. [GB.GTK3] * NEW: Request SIGCHLD handler check.
69 lines
2 KiB
C
69 lines
2 KiB
C
/***************************************************************************
|
|
|
|
gbx_signal.h
|
|
|
|
(c) 2000-2017 Benoît Minisini <g4mba5@gmail.com>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2, or (at your option)
|
|
any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
|
|
***************************************************************************/
|
|
|
|
#ifndef __GBX_SIGNAL_H
|
|
#define __GBX_SIGNAL_H
|
|
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
|
|
#ifndef __GBX_SIGNAL_C
|
|
extern uint64_t SIGNAL_check_mask;
|
|
#endif
|
|
|
|
typedef
|
|
struct SIGNAL_CALLBACK {
|
|
struct SIGNAL_CALLBACK *prev;
|
|
struct SIGNAL_CALLBACK *next;
|
|
void (*callback)(int, intptr_t);
|
|
intptr_t data;
|
|
}
|
|
SIGNAL_CALLBACK;
|
|
|
|
typedef
|
|
struct {
|
|
int signum;
|
|
struct sigaction old_action;
|
|
SIGNAL_CALLBACK *callbacks;
|
|
}
|
|
SIGNAL_HANDLER;
|
|
|
|
void SIGNAL_install(SIGNAL_HANDLER *handler, int signum, void (*callback)(int, siginfo_t *, void *));
|
|
void SIGNAL_uninstall(SIGNAL_HANDLER *handler, int signum);
|
|
void SIGNAL_previous(SIGNAL_HANDLER *handler, int signum, siginfo_t *info, void *context);
|
|
void SIGNAL_do_check(int signum);
|
|
void SIGNAL_must_check(int signum);
|
|
|
|
#define SIGNAL_check(_signum) { if (SIGNAL_check_mask & (1 << (_signum))) SIGNAL_do_check(_signum); }
|
|
|
|
SIGNAL_CALLBACK *SIGNAL_register(int signum, void (*callback)(int, intptr_t), intptr_t data);
|
|
void SIGNAL_unregister(int signum, SIGNAL_CALLBACK *cb);
|
|
|
|
int SIGNAL_get_fd(void);
|
|
void SIGNAL_raise_callbacks(int fd, int type, void *data);
|
|
void SIGNAL_exit(void);
|
|
void SIGNAL_has_forked(void);
|
|
|
|
#endif
|
|
|
|
|