projects / lttng-tools.git / blame
| 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> |
| 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 | 14 | |
| 7966af57 SM |
15 | #ifdef __cplusplus |
| 16 | extern "C" { | |
| 17 | #endif | |
| 18 | ||
| 99ed9c43 MD |
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 | ||
| 7966af57 SM |
32 | #ifdef __cplusplus |
| 33 | } | |
| 34 | #endif | |
| 35 | ||
| 99ed9c43 | 36 | #endif /* LTTNG_DAEMONIZE_H */ |