[lttng-tools.git] / src / bin / lttng-sessiond / process-utils.c

/*
 * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 * Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 */

#include <signal.h>
#include "lttng-sessiond.h"

/* Notify parents that we are ready for cmd and health check */
void sessiond_signal_parents(void)
{
	/*
	 * Notify parent pid that we are ready to accept command
	 * for client side.  This ppid is the one from the
	 * external process that spawned us.
	 */
	if (config.sig_parent) {
		kill(ppid, SIGUSR1);
	}

	/*
	 * Notify the parent of the fork() process that we are
	 * ready.
	 */
	if (config.daemonize || config.background) {
		kill(child_ppid, SIGUSR1);
	}
}
Commit	Line	Data
a7333da7	1	/*
ab5be9fa MJ	2	* Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
	3	* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	4	* Copyright (C) 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
a7333da7	5	*
ab5be9fa	6	* SPDX-License-Identifier: GPL-2.0-only
a7333da7	7	*
a7333da7 JG	8	*/
	9
	10	#include <signal.h>
	11	#include "lttng-sessiond.h"
	12
	13	/* Notify parents that we are ready for cmd and health check */
	14	void sessiond_signal_parents(void)
	15	{
	16	/*
	17	* Notify parent pid that we are ready to accept command
	18	* for client side. This ppid is the one from the
	19	* external process that spawned us.
	20	*/
	21	if (config.sig_parent) {
	22	kill(ppid, SIGUSR1);
	23	}
	24
	25	/*
	26	* Notify the parent of the fork() process that we are
	27	* ready.
	28	*/
	29	if (config.daemonize \|\| config.background) {
	30	kill(child_ppid, SIGUSR1);
	31	}
	32	}