Disable signals in URCU background threads
[userspace-rcu.git] / src / compat-getcpu.h
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
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 */
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