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

#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 <common/macros.hpp>

#include <unistd.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.
 */
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	*/
99ed9c43 MD	11
c9e313bc	12	#include <common/macros.hpp>
99ed9c43	13
28f23191 JG	14	#include <unistd.h>
28f23191 JG	15
99ed9c43 MD	16	/*
	17	* Daemonize this process by forking and making the parent wait for the child
	18	* to signal it indicating readiness. Once received, the parent successfully
	19	* quits.
	20	*
	21	* The child process undergoes the same action that daemon(3) does meaning
	22	* setsid, chdir, and dup /dev/null into 0, 1 and 2.
	23	*
	24	* Return 0 on success else -1 on error.
	25	*/
28f23191	26	int lttng_daemonize(pid_t child_ppid, int completion_flag, int close_fds);
99ed9c43 MD	27
99ed9c43 MD	28	#endif /* LTTNG_DAEMONIZE_H */