| 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 | /* |
| 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 | */ |
| 25 | LTTNG_HIDDEN |
| 26 | int lttng_daemonize(pid_t *child_ppid, int *completion_flag, |
| 27 | int close_fds); |
| 28 | |
| 29 | #endif /* LTTNG_DAEMONIZE_H */ |