Handle new t1501 test case properly with MinGW
[git/dscho.git] / compat / win32 / pthread.h
blob2e205485570bf62a11112c665624203207c724a9
1 /*
2 * Header used to adapt pthread-based POSIX code to Windows API threads.
4 * Copyright (C) 2009 Andrzej K. Haczewski <ahaczewski@gmail.com>
5 */
7 #ifndef PTHREAD_H
8 #define PTHREAD_H
10 #ifndef WIN32_LEAN_AND_MEAN
11 #define WIN32_LEAN_AND_MEAN
12 #endif
14 #include <windows.h>
17 * Defines that adapt Windows API threads to pthreads API
19 #define pthread_mutex_t CRITICAL_SECTION
21 #define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0)
22 #define pthread_mutex_destroy(a) DeleteCriticalSection((a))
23 #define pthread_mutex_lock EnterCriticalSection
24 #define pthread_mutex_unlock LeaveCriticalSection
26 typedef int pthread_mutexattr_t;
27 #define pthread_mutexattr_init(a) (*(a) = 0)
28 #define pthread_mutexattr_destroy(a) do {} while (0)
29 #define pthread_mutexattr_settype(a, t) 0
30 #define PTHREAD_MUTEX_RECURSIVE 0
33 * Implement simple condition variable for Windows threads, based on ACE
34 * implementation.
36 * See original implementation: http://bit.ly/1vkDjo
37 * ACE homepage: http://www.cse.wustl.edu/~schmidt/ACE.html
38 * See also: http://www.cse.wustl.edu/~schmidt/win32-cv-1.html
40 typedef struct {
41 LONG waiters;
42 int was_broadcast;
43 CRITICAL_SECTION waiters_lock;
44 HANDLE sema;
45 HANDLE continue_broadcast;
46 } pthread_cond_t;
48 extern int pthread_cond_init(pthread_cond_t *cond, const void *unused);
49 extern int pthread_cond_destroy(pthread_cond_t *cond);
50 extern int pthread_cond_wait(pthread_cond_t *cond, CRITICAL_SECTION *mutex);
51 extern int pthread_cond_signal(pthread_cond_t *cond);
52 extern int pthread_cond_broadcast(pthread_cond_t *cond);
55 * Simple thread creation implementation using pthread API
57 typedef struct {
58 HANDLE handle;
59 void *(*start_routine)(void*);
60 void *arg;
61 DWORD tid;
62 } pthread_t;
64 extern int pthread_create(pthread_t *thread, const void *unused,
65 void *(*start_routine)(void*), void *arg);
68 * To avoid the need of copying a struct, we use small macro wrapper to pass
69 * pointer to win32_pthread_join instead.
71 #define pthread_join(a, b) win32_pthread_join(&(a), (b))
73 extern int win32_pthread_join(pthread_t *thread, void **value_ptr);
75 #define pthread_equal(t1, t2) ((t1).tid == (t2).tid)
76 extern pthread_t pthread_self(void);
78 static inline int pthread_exit(void *ret)
80 ExitThread((DWORD)ret);
83 typedef DWORD pthread_key_t;
84 static inline int pthread_key_create(pthread_key_t *keyp, void (*destructor)(void *value))
86 return (*keyp = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0;
89 static inline int pthread_setspecific(pthread_key_t key, const void *value)
91 return TlsSetValue(key, (void *)value) ? 0 : EINVAL;
94 static inline void *pthread_getspecific(pthread_key_t key)
96 return TlsGetValue(key);
99 #endif /* PTHREAD_H */