void init_break_handler(void)
{
sys_signal(SIGINT, request_break);
#ifndef ETHR_UNUSABLE_SIGUSRX
sys_signal(SIGUSR1, generic_signal_handler);
#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */
sys_signal(SIGQUIT, generic_signal_handler);
}
void init_break_handler(void)
{
sys_signal(SIGINT, request_break);
#ifndef ETHR_UNUSABLE_SIGUSRX
sys_signal(SIGUSR1, user_signal1);
#endif /* #ifndef ETHR_UNUSABLE_SIGUSRX */
sys_signal(SIGQUIT, do_quit);
}
/* Disable break */
void erts_set_ignore_break(void) {
/*
* Ignore signals that can be sent to the VM by
* typing certain key combinations at the
* controlling terminal...
*/
sys_signal(SIGINT, SIG_IGN); /* Ctrl-C */
sys_signal(SIGQUIT, SIG_IGN); /* Ctrl-\ */
sys_signal(SIGTSTP, SIG_IGN); /* Ctrl-Z */
}
int erts_set_signal(Eterm signal, Eterm type) {
int signum;
if ((signum = signalterm_to_signum(signal)) > 0) {
if (type == am_ignore) {
sys_signal(signum, SIG_IGN);
} else if (type == am_default) {
sys_signal(signum, SIG_DFL);
} else {
sys_signal(signum, generic_signal_handler);
}
return 1;
}
return 0;
}
/* NOTE: This is for signal handlers, not for allowing/disallowing signals,
* use kill(2) for that
*/
sighandler_t signal(int signum, sighandler_t handler) {
if (siginlist(signum, "SUDO_SIGLIST") ||
getenv("SYS_SIGNAL")) {
return sys_signal(signum, handler);
}
debug("signal: ");
errno = EINVAL;
return SIG_ERR;
}
void sys_init_suspend_handler(void)
{
#ifdef ERTS_SYS_SUSPEND_SIGNAL
sys_signal(ERTS_SYS_SUSPEND_SIGNAL, suspend_signal);
#endif
}
/* Disable break */
void erts_set_ignore_break(void) {
sys_signal(SIGINT, SIG_IGN);
sys_signal(SIGQUIT, SIG_IGN);
sys_signal(SIGTSTP, SIG_IGN);
}
sighandler_t signal(int signum, sighandler_t handler)
{
return sys_signal(signum, handler);
}
void
erts_sys_unix_later_init(void)
{
sys_signal(SIGTERM, generic_signal_handler);
}
void sys_exit(int ret)
{
struct task_struct *task = current;
sys_signal(get_task_pid(current), PROCESS_SIGNAL_KILL, NULL);
}