projects / userspace-rcu.git / blame
| Commit | Line | Data |
|---|---|---|
| a47dd11c MJ |
1 | #ifndef _COMPAT_GETCPU_H |
| 2 | #define _COMPAT_GETCPU_H | |
| 3 | ||
| 4 | /* | |
| 5 | * compat-getcpu.h | |
| 6 | * | |
| 7 | * Copyright (c) 2015 Michael Jeanson <mjeanson@efficios.com> | |
| 8 | * | |
| 9 | * This library is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU Lesser General Public | |
| 11 | * License as published by the Free Software Foundation; either | |
| 12 | * version 2.1 of the License, or (at your option) any later version. | |
| 13 | * | |
| 14 | * This library is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 | * Lesser General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU Lesser General Public | |
| 20 | * License along with this library; if not, write to the Free Software | |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 22 | */ | |
| 23 | ||
| a47dd11c MJ |
24 | #if defined(HAVE_SCHED_GETCPU) |
| 25 | #include <sched.h> | |
| 26 | ||
| 27 | static inline | |
| 28 | int urcu_sched_getcpu(void) | |
| 29 | { | |
| 30 | return sched_getcpu(); | |
| 31 | } | |
| 32 | #elif defined(HAVE_GETCPUID) | |
| 33 | #include <sys/processor.h> | |
| 34 | ||
| 35 | static inline | |
| 36 | int urcu_sched_getcpu(void) | |
| 37 | { | |
| 38 | return (int) getcpuid(); | |
| 39 | } | |
| 40 | #else | |
| 41 | ||
| 42 | static inline | |
| 43 | int urcu_sched_getcpu(void) | |
| 44 | { | |
| 45 | return -1; | |
| 46 | } | |
| 47 | #endif | |
| 48 | ||
| 49 | #endif /* _COMPAT_GETCPU_H */ |