projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| 44626dc7 AH |
1 | /* |
| 2 | * Header used to adapt pthread-based POSIX code to Windows API threads. | |
| 3 | * | |
| 4 | * Copyright (C) 2009 Andrzej K. Haczewski <ahaczewski@gmail.com> | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef PTHREAD_H | |
| 8 | #define PTHREAD_H | |
| 9 | ||
| 10 | #ifndef WIN32_LEAN_AND_MEAN | |
| 11 | #define WIN32_LEAN_AND_MEAN | |
| 12 | #endif | |
| 13 | ||
| 14 | #include <windows.h> | |
| 15 | ||
| 16 | /* | |
| 17 | * Defines that adapt Windows API threads to pthreads API | |
| 18 | */ | |
| 19 | #define pthread_mutex_t CRITICAL_SECTION | |
| 20 | ||
| 2921600a JS |
21 | static inline int return_0(int i) { |
| 22 | return 0; | |
| 23 | } | |
| 24 | #define pthread_mutex_init(a,b) return_0((InitializeCriticalSection((a)), 0)) | |
| 44626dc7 AH |
25 | #define pthread_mutex_destroy(a) DeleteCriticalSection((a)) |
| 26 | #define pthread_mutex_lock EnterCriticalSection | |
| 27 | #define pthread_mutex_unlock LeaveCriticalSection | |
| 28 | ||
| 93749194 JS |
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 | |
| 34 | ||
| c73b7ad5 | 35 | #define pthread_cond_t CONDITION_VARIABLE |
| 44626dc7 | 36 | |
| c73b7ad5 LRJ |
37 | #define pthread_cond_init(a,b) InitializeConditionVariable((a)) |
| 38 | #define pthread_cond_destroy(a) do {} while (0) | |
| 39 | #define pthread_cond_wait(a,b) return_0(SleepConditionVariableCS((a), (b), INFINITE)) | |
| 40 | #define pthread_cond_signal WakeConditionVariable | |
| 41 | #define pthread_cond_broadcast WakeAllConditionVariable | |
| 44626dc7 AH |
42 | |
| 43 | /* | |
| 44 | * Simple thread creation implementation using pthread API | |
| 45 | */ | |
| 46 | typedef struct { | |
| 47 | HANDLE handle; | |
| 48 | void *(*start_routine)(void*); | |
| 49 | void *arg; | |
| 912b2632 | 50 | DWORD tid; |
| 44626dc7 AH |
51 | } pthread_t; |
| 52 | ||
| 53 | extern int pthread_create(pthread_t *thread, const void *unused, | |
| 54 | void *(*start_routine)(void*), void *arg); | |
| 55 | ||
| 56 | /* | |
| 57 | * To avoid the need of copying a struct, we use small macro wrapper to pass | |
| 58 | * pointer to win32_pthread_join instead. | |
| 59 | */ | |
| 60 | #define pthread_join(a, b) win32_pthread_join(&(a), (b)) | |
| 61 | ||
| 62 | extern int win32_pthread_join(pthread_t *thread, void **value_ptr); | |
| 63 | ||
| 912b2632 JS |
64 | #define pthread_equal(t1, t2) ((t1).tid == (t2).tid) |
| 65 | extern pthread_t pthread_self(void); | |
| 66 | ||
| 296d6737 | 67 | static inline void NORETURN pthread_exit(void *ret) |
| 912b2632 | 68 | { |
| 83c90da3 | 69 | ExitThread((DWORD)(intptr_t)ret); |
| 912b2632 JS |
70 | } |
| 71 | ||
| 72 | typedef DWORD pthread_key_t; | |
| 73 | static inline int pthread_key_create(pthread_key_t *keyp, void (*destructor)(void *value)) | |
| 74 | { | |
| 75 | return (*keyp = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0; | |
| 76 | } | |
| 77 | ||
| 9ba604a9 RJ |
78 | static inline int pthread_key_delete(pthread_key_t key) |
| 79 | { | |
| 80 | return TlsFree(key) ? 0 : EINVAL; | |
| 81 | } | |
| 82 | ||
| 912b2632 JS |
83 | static inline int pthread_setspecific(pthread_key_t key, const void *value) |
| 84 | { | |
| 85 | return TlsSetValue(key, (void *)value) ? 0 : EINVAL; | |
| 86 | } | |
| 87 | ||
| 88 | static inline void *pthread_getspecific(pthread_key_t key) | |
| 89 | { | |
| 90 | return TlsGetValue(key); | |
| 91 | } | |
| 92 | ||
| ed84387a | 93 | #ifndef __MINGW64_VERSION_MAJOR |
| f924b52a JS |
94 | static inline int pthread_sigmask(int how, const sigset_t *set, sigset_t *oset) |
| 95 | { | |
| 96 | return 0; | |
| 97 | } | |
| ed84387a | 98 | #endif |
| f924b52a | 99 | |
| 44626dc7 | 100 | #endif /* PTHREAD_H */ |