[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>

#ifdef __cplusplus
extern "C" {
#endif

/*
 * 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);

#ifdef __cplusplus
}
#endif

#endif /* LTTNG_DAEMONIZE_H */
Commit	Line	Data
	1	#ifndef LTTNG_DAEMONIZE_H
	2	#define LTTNG_DAEMONIZE_H
	3
	4	/*
	5	* Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
	6	* Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	7	*
	8	* SPDX-License-Identifier: GPL-2.0-only
	9	*
	10	*/
	11
	12	#include <unistd.h>
	13	#include <common/macros.h>
	14
	15	#ifdef __cplusplus
	16	extern "C" {
	17	#endif
	18
	19	/*
	20	* Daemonize this process by forking and making the parent wait for the child
	21	* to signal it indicating readiness. Once received, the parent successfully
	22	* quits.
	23	*
	24	* The child process undergoes the same action that daemon(3) does meaning
	25	* setsid, chdir, and dup /dev/null into 0, 1 and 2.
	26	*
	27	* Return 0 on success else -1 on error.
	28	*/
	29	int lttng_daemonize(pid_t child_ppid, int completion_flag,
	30	int close_fds);
	31
	32	#ifdef __cplusplus
	33	}
	34	#endif
	35
	36	#endif /* LTTNG_DAEMONIZE_H */