Android: add a compat layer for 'syscall.h'
[urcu.git] / tests / common / thread-id.h
1 #ifndef _TEST_THREAD_ID_H
2 #define _TEST_THREAD_ID_H
3
4 /*
5 * thread-id.h
6 *
7 * Userspace RCU library - thread ID
8 *
9 * Copyright 2013 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
10 *
11 * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
12 * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
13 *
14 * Permission is hereby granted to use or copy this program
15 * for any purpose, provided the above notices are retained on all copies.
16 * Permission to modify the code and to distribute modified code is granted,
17 * provided the above notices are retained, and a notice that the code was
18 * modified is included with the above copyright notice.
19 */
20 #ifdef __linux__
21 # include <urcu/syscall-compat.h>
22
23 # if defined(_syscall0)
24 _syscall0(pid_t, gettid)
25 # elif defined(__NR_gettid)
26 static inline pid_t gettid(void)
27 {
28 return syscall(__NR_gettid);
29 }
30 # endif
31
32 static inline
33 unsigned long urcu_get_thread_id(void)
34 {
35 return (unsigned long) gettid();
36 }
37 #elif defined(__FreeBSD__)
38 # include <pthread_np.h>
39
40 static inline
41 unsigned long urcu_get_thread_id(void)
42 {
43 return (unsigned long) pthread_getthreadid_np();
44 }
45 #else
46 # warning "use pid as thread ID"
47 static inline
48 unsigned long urcu_get_thread_id(void)
49 {
50 return (unsigned long) getpid();
51 }
52 #endif
53
54 #endif /* _TEST_THREAD_ID_H */
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