Tests fix: add missing Cygwin thread id
[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
21 #ifdef __linux__
22 # include <urcu/syscall-compat.h>
23
24 # if defined(HAVE_GETTID)
25 /*
26 * Do not redefine gettid() as it is already included
27 * in bionic through <unistd.h>. Some other libc
28 * may also already contain an implementation of gettid.
29 */
30 # elif defined(_syscall0)
31 _syscall0(pid_t, gettid)
32 # elif defined(__NR_gettid)
33 static inline pid_t gettid(void)
34 {
35 return syscall(__NR_gettid);
36 }
37 # endif
38
39 static inline
40 unsigned long urcu_get_thread_id(void)
41 {
42 return (unsigned long) gettid();
43 }
44 #elif defined(__FreeBSD__)
45 # include <pthread_np.h>
46
47 static inline
48 unsigned long urcu_get_thread_id(void)
49 {
50 return (unsigned long) pthread_getthreadid_np();
51 }
52 #elif defined(__sun__) || defined(__APPLE__)
53 #include <pthread.h>
54
55 static inline
56 unsigned long urcu_get_thread_id(void)
57 {
58 return (unsigned long) pthread_self();
59 }
60 #elif defined(__CYGWIN__)
61 #include <pthread.h>
62
63 extern unsigned long pthread_getsequence_np(pthread_t *);
64
65 static inline
66 unsigned long urcu_get_thread_id(void)
67 {
68 pthread_t thr = pthread_self();
69 return pthread_getsequence_np(&thr);
70 }
71
72 #else
73 # warning "use pid as thread ID"
74 static inline
75 unsigned long urcu_get_thread_id(void)
76 {
77 return (unsigned long) getpid();
78 }
79 #endif
80
81 #endif /* _TEST_THREAD_ID_H */
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