gambas-source-code/main/gbx/gbx_signal.h
gambas 9df7f50047 Child processes do not inherit locks anymore. Workaround libraries that override SIGCHLD handler.
[INTERPRETER]
* BUG: Child processes do not inherit locks anymore.
* BUG: Workaround libraries like 'glib' that override SIGCHLD handler by checking and reinstalling it at each process run.
2020-10-06 16:40:58 +02:00

62 lines
1.8 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>
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_check(int 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