[lttng-tools.git] / src / common / daemonize.h

#ifndef LTTNG_DAEMONIZE_H
#define LTTNG_DAEMONIZE_H

/*
 * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
 * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * SPDX-License-Identifier: GPL-2.0-only
 *
 */

#include <unistd.h>
#include <common/macros.h>

/*
 * Daemonize this process by forking and making the parent wait for the child
 * to signal it indicating readiness. Once received, the parent successfully
 * quits.
 *
 * The child process undergoes the same action that daemon(3) does meaning
 * setsid, chdir, and dup /dev/null into 0, 1 and 2.
 *
 * Return 0 on success else -1 on error.
 */
LTTNG_HIDDEN
int lttng_daemonize(pid_t *child_ppid, int *completion_flag,
		int close_fds);

#endif /* LTTNG_DAEMONIZE_H */
Commit	Line	Data
99ed9c43 MD	1	#ifndef LTTNG_DAEMONIZE_H
	2	#define LTTNG_DAEMONIZE_H
	3
	4	/*
ab5be9fa MJ	5	* Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
ab5be9fa MJ	6	* Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
99ed9c43	7	*
ab5be9fa	8	* SPDX-License-Identifier: GPL-2.0-only
99ed9c43	9	*
99ed9c43 MD	10	*/
	11
	12	#include <unistd.h>
d5d51699	13	#include <common/macros.h>
99ed9c43 MD	14
	15	/*
	16	* Daemonize this process by forking and making the parent wait for the child
	17	* to signal it indicating readiness. Once received, the parent successfully
	18	* quits.
	19	*
	20	* The child process undergoes the same action that daemon(3) does meaning
	21	* setsid, chdir, and dup /dev/null into 0, 1 and 2.
	22	*
	23	* Return 0 on success else -1 on error.
	24	*/
d5d51699	25	LTTNG_HIDDEN
99ed9c43 MD	26	int lttng_daemonize(pid_t child_ppid, int completion_flag,
	27	int close_fds);
	28
	29	#endif /* LTTNG_DAEMONIZE_H */