2 * Header used to adapt pthread-based POSIX code to Windows API threads.
4 * Copyright (C) 2009 Andrzej K. Haczewski <ahaczewski@gmail.com>
10 #ifndef WIN32_LEAN_AND_MEAN
11 #define WIN32_LEAN_AND_MEAN
17 * Defines that adapt Windows API threads to pthreads API
19 #define pthread_mutex_t CRITICAL_SECTION
21 static inline int return_0(int i) {
24 #define pthread_mutex_init(a,b) return_0((InitializeCriticalSection((a)), 0))
25 #define pthread_mutex_destroy(a) DeleteCriticalSection((a))
26 #define pthread_mutex_lock EnterCriticalSection
27 #define pthread_mutex_unlock LeaveCriticalSection
29 typedef int pthread_mutexattr_t;
30 #define pthread_mutexattr_init(a) (*(a) = 0)
31 #define pthread_mutexattr_destroy(a) do {} while (0)
32 #define pthread_mutexattr_settype(a, t) 0
33 #define PTHREAD_MUTEX_RECURSIVE 0
36 * Implement simple condition variable for Windows threads, based on ACE
39 * See original implementation: http://bit.ly/1vkDjo
40 * ACE homepage: http://www.cse.wustl.edu/~schmidt/ACE.html
41 * See also: http://www.cse.wustl.edu/~schmidt/win32-cv-1.html
46 CRITICAL_SECTION waiters_lock;
48 HANDLE continue_broadcast;
51 extern int pthread_cond_init(pthread_cond_t *cond, const void *unused);
52 extern int pthread_cond_destroy(pthread_cond_t *cond);
53 extern int pthread_cond_wait(pthread_cond_t *cond, CRITICAL_SECTION *mutex);
54 extern int pthread_cond_signal(pthread_cond_t *cond);
55 extern int pthread_cond_broadcast(pthread_cond_t *cond);
58 * Simple thread creation implementation using pthread API
62 void *(*start_routine)(void*);
67 extern int pthread_create(pthread_t *thread, const void *unused,
68 void *(*start_routine)(void*), void *arg);
71 * To avoid the need of copying a struct, we use small macro wrapper to pass
72 * pointer to win32_pthread_join instead.
74 #define pthread_join(a, b) win32_pthread_join(&(a), (b))
76 extern int win32_pthread_join(pthread_t *thread, void **value_ptr);
78 #define pthread_equal(t1, t2) ((t1).tid == (t2).tid)
79 extern pthread_t pthread_self(void);
81 static inline void NORETURN pthread_exit(void *ret)
83 ExitThread((DWORD)(intptr_t)ret);
86 typedef DWORD pthread_key_t;
87 static inline int pthread_key_create(pthread_key_t *keyp, void (*destructor)(void *value))
89 return (*keyp = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0;
92 static inline int pthread_key_delete(pthread_key_t key)
94 return TlsFree(key) ? 0 : EINVAL;
97 static inline int pthread_setspecific(pthread_key_t key, const void *value)
99 return TlsSetValue(key, (void *)value) ? 0 : EINVAL;
102 static inline void *pthread_getspecific(pthread_key_t key)
104 return TlsGetValue(key);
107 #ifndef __MINGW64_VERSION_MAJOR
108 static inline int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
114 #endif /* PTHREAD_H */