690fdf009677f714918f738e755c53584e73c305
[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 #include <config.h>
21
22 #ifdef __linux__
23 # include <urcu/syscall-compat.h>
24
25 # if defined(HAVE_GETTID)
26 /*
27 * Do not redefine gettid() as it is already included
28 * in bionic through <unistd.h>. Some other libc
29 * may also already contain an implementation of gettid.
30 */
31 # elif defined(_syscall0)
32 _syscall0(pid_t, gettid)
33 # elif defined(__NR_gettid)
34 static inline pid_t gettid(void)
35 {
36 return syscall(__NR_gettid);
37 }
38 # endif
39
40 static inline
41 unsigned long urcu_get_thread_id(void)
42 {
43 return (unsigned long) gettid();
44 }
45 #elif defined(__FreeBSD__)
46 # include <pthread_np.h>
47
48 static inline
49 unsigned long urcu_get_thread_id(void)
50 {
51 return (unsigned long) pthread_getthreadid_np();
52 }
53 #elif defined(__sun__)
54 #include <pthread.h>
55
56 static inline
57 unsigned long urcu_get_thread_id(void)
58 {
59 return (unsigned long) pthread_self();
60 }
61 #else
62 # warning "use pid as thread ID"
63 static inline
64 unsigned long urcu_get_thread_id(void)
65 {
66 return (unsigned long) getpid();
67 }
68 #endif
69
70 #endif /* _TEST_THREAD_ID_H */
This page took 0.044326 seconds and 3 git commands to generate.