projects / lttng-tools.git / blame
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|---|---|---|
| 99ed9c43 MD |
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 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms of the GNU General Public License, version 2 only, as | |
| 10 | * published by the Free Software Foundation. | |
| 11 | * | |
| 12 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 | * more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License along with | |
| 18 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
| 19 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | */ | |
| 21 | ||
| 22 | #include <unistd.h> | |
| d5d51699 | 23 | #include <common/macros.h> |
| 99ed9c43 MD |
24 | |
| 25 | /* | |
| 26 | * Daemonize this process by forking and making the parent wait for the child | |
| 27 | * to signal it indicating readiness. Once received, the parent successfully | |
| 28 | * quits. | |
| 29 | * | |
| 30 | * The child process undergoes the same action that daemon(3) does meaning | |
| 31 | * setsid, chdir, and dup /dev/null into 0, 1 and 2. | |
| 32 | * | |
| 33 | * Return 0 on success else -1 on error. | |
| 34 | */ | |
| d5d51699 | 35 | LTTNG_HIDDEN |
| 99ed9c43 MD |
36 | int lttng_daemonize(pid_t *child_ppid, int *completion_flag, |
| 37 | int close_fds); | |
| 38 | ||
| 39 | #endif /* LTTNG_DAEMONIZE_H */ |