C++ (Cpp) sig_stopped Examples

Example #1

File: svc.c Project: carriercomm/finit

void svc_monitor(pid_t lost)
{
	svc_t *svc;

	if (was_stopped && !is_norespawn()) {
		was_stopped = 0;
		restart_any_lost_procs();
		return;
	}

	if (fexist(SYNC_SHUTDOWN) || lost <= 1)
		return;

	/* Power user at the console, don't respawn tasks. */
	if (is_norespawn()) {
		was_stopped = 1;
		return;
	}

	if (tty_respawn(lost))
		return;

#ifndef INETD_DISABLED
	if (inetd_respawn(lost))
		return;
#endif

	for (svc = svc_iterator(1); svc; svc = svc_iterator(0)) {
		if (lost != svc->pid)
			continue;

		if (SVC_CMD_SERVICE != svc->type) {
			svc->pid = 0;
			continue;
		}

		_d("Ouch, lost pid %d - %s(%d)", lost, basename(svc->cmd), svc->pid);

		/* No longer running, update books. */
		svc->pid = 0;

		if (sig_stopped()) {
			_e("Stopped, not respawning killed processes.");
			break;
		}

		/* Cleanup any lingering or semi-restarting tasks before respawning */
		_d("Sending SIGTERM to service group %s", basename(svc->cmd));
		procname_kill(basename(svc->cmd), SIGTERM);

		/* Restarting lost service. */
		if (svc_enabled(svc, 0, NULL)) {
			svc->restart_counter++;
			svc_start(svc);
		}

		break;
	}
}

Example #2

File: svc.c Project: cmatsuoka/finit

void svc_monitor(void)
{
	pid_t lost;
	svc_t *svc;

	lost = waitpid(-1, NULL, WNOHANG);
	if (lost < 1)
		return;

	if (fexist(SYNC_SHUTDOWN) || lost <= 1)
		return;

	/* Power user at the console, don't respawn tasks. */
	if (is_norespawn())
		return;

	for (svc = svc_iterator(1); svc; svc = svc_iterator(0)) {
		char *name = basename(svc->cmd);

		if (lost != svc->pid)
			continue;

		_d("Ouch, lost pid %d - %s(%d)", lost, name, svc->pid);

		/* No longer running, update books. */
		svc->pid = 0;

		if (sig_stopped()) {
			_e("Stopped, not respawning killed processes.");
			break;
		}

		/* Cleanup any lingering or semi-restarting tasks before respawning */
		_d("Sending SIGTERM to service group %s", name);
		procname_kill(name, SIGTERM);

		/* Restarting lost service. */
		if (svc_enabled(svc, 0, NULL)) {
			svc->stat_restart_counter++;
			svc_start(svc);
		}

		break;
	}
}

Example #3

File: service.c Project: rrogers96/finit

static int is_norespawn(void)
{
	return  sig_stopped()            ||
		fexist("/mnt/norespawn") ||
		fexist("/tmp/norespawn");
}

Example #4

File: service.c Project: rrogers96/finit

void service_monitor(pid_t lost)
{
	svc_t *svc;
	static int was_stopped = 0;

	if (was_stopped && !is_norespawn()) {
		was_stopped = 0;
		restart_lost_procs();
		return;
	}

	if (fexist(SYNC_SHUTDOWN) || lost <= 1)
		return;

	/* Power user at the console, don't respawn tasks. */
	if (is_norespawn()) {
		was_stopped = 1;
		return;
	}

	if (tty_respawn(lost))
		return;

#ifndef INETD_DISABLED
	if (inetd_respawn(lost))
		return;
#endif

	for (svc = svc_iterator(1); svc; svc = svc_iterator(0)) {
		if (lost != svc->pid)
			continue;

		if (SVC_TYPE_SERVICE != svc->type) {
			svc->pid = 0;
			continue;
		}

		_d("Ouch, lost pid %d - %s(%d)", lost, basename(svc->cmd), svc->pid);

		/* No longer running, update books. */
		svc->pid = 0;

		if (sig_stopped()) {
			_e("Stopped, not respawning killed processes.");
			break;
		}

		/* Restarting lost service. */
		if (service_enabled(svc, 0, NULL)) {
			if (svc->restart_counter > RESPAWN_MAX) {
				_e("Not restarting %s id %d, respawn MAX (%d) reached!",
				   svc->cmd, svc->id, RESPAWN_MAX);
				break;
			}

			svc->restart_counter++;
			service_start(svc);
		}

		break;
	}
}