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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 */ |