projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 3fa91327 DG |
1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <dgoulet@efficios.com> | |
| 3 | * | |
| d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License, version 2 only, | |
| 6 | * as published by the Free Software Foundation. | |
| 3fa91327 DG |
7 | * |
| 8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
| 9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 11 | * more details. | |
| 12 | * | |
| d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 3fa91327 DG |
16 | */ |
| 17 | ||
| 18 | #ifndef _COMPAT_CLONE_H | |
| 19 | #define _COMPAT_CLONE_H | |
| 20 | ||
| 21 | #ifdef __linux__ | |
| 22 | ||
| 23 | #include <sched.h> | |
| 24 | ||
| 89831a74 | 25 | static inline |
| 45aad3a7 | 26 | pid_t lttng_clone_files(int (*fn)(void *), void *child_stack, void *arg) |
| 89831a74 MD |
27 | { |
| 28 | return clone(fn, child_stack, CLONE_FILES | SIGCHLD, arg); | |
| 29 | } | |
| 30 | ||
| 7657ae75 | 31 | #elif defined(__FreeBSD__) |
| 3fa91327 DG |
32 | |
| 33 | #include <unistd.h> | |
| 34 | ||
| 89831a74 | 35 | static inline |
| 45aad3a7 | 36 | pid_t lttng_clone_files(int (*fn)(void *), void *child_stack, void *arg) |
| 3fa91327 | 37 | { |
| 45aad3a7 MD |
38 | pid_t pid; |
| 39 | ||
| 40 | pid = rfork(RFPROC | RFTHREAD); | |
| 41 | if (pid == 0) { | |
| 42 | /* child */ | |
| 43 | int ret; | |
| 44 | ||
| 45 | ret = fn(arg); | |
| 46 | exit(ret); | |
| 47 | } else if (pid > 0) { | |
| 48 | /* parent */ | |
| 49 | /* | |
| 50 | * Just return, the caller will wait for the child. | |
| 51 | */ | |
| 52 | return pid; | |
| 53 | } else { | |
| 54 | /* Error */ | |
| 55 | return pid; | |
| 56 | } | |
| 3fa91327 DG |
57 | } |
| 58 | ||
| 59 | #else | |
| 7657ae75 | 60 | #error "Please add support for your OS." |
| 3fa91327 DG |
61 | #endif /* __linux__ , __FreeBSD__ */ |
| 62 | ||
| 63 | #endif /* _COMPAT_CLONE_H */ |