You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
2.6 KiB
99 lines
2.6 KiB
/* |
|
* Header used to adapt pthread-based POSIX code to Windows API threads. |
|
* |
|
* Copyright (C) 2009 Andrzej K. Haczewski <ahaczewski@gmail.com> |
|
*/ |
|
|
|
#ifndef PTHREAD_H |
|
#define PTHREAD_H |
|
|
|
#ifndef WIN32_LEAN_AND_MEAN |
|
#define WIN32_LEAN_AND_MEAN |
|
#endif |
|
|
|
#include <windows.h> |
|
|
|
/* |
|
* Defines that adapt Windows API threads to pthreads API |
|
*/ |
|
#define pthread_mutex_t CRITICAL_SECTION |
|
|
|
#define pthread_mutex_init(a,b) (InitializeCriticalSection((a)), 0) |
|
#define pthread_mutex_destroy(a) DeleteCriticalSection((a)) |
|
#define pthread_mutex_lock EnterCriticalSection |
|
#define pthread_mutex_unlock LeaveCriticalSection |
|
|
|
typedef int pthread_mutexattr_t; |
|
#define pthread_mutexattr_init(a) (*(a) = 0) |
|
#define pthread_mutexattr_destroy(a) do {} while (0) |
|
#define pthread_mutexattr_settype(a, t) 0 |
|
#define PTHREAD_MUTEX_RECURSIVE 0 |
|
|
|
/* |
|
* Implement simple condition variable for Windows threads, based on ACE |
|
* implementation. |
|
* |
|
* See original implementation: http://bit.ly/1vkDjo |
|
* ACE homepage: http://www.cse.wustl.edu/~schmidt/ACE.html |
|
* See also: http://www.cse.wustl.edu/~schmidt/win32-cv-1.html |
|
*/ |
|
typedef struct { |
|
LONG waiters; |
|
int was_broadcast; |
|
CRITICAL_SECTION waiters_lock; |
|
HANDLE sema; |
|
HANDLE continue_broadcast; |
|
} pthread_cond_t; |
|
|
|
extern int pthread_cond_init(pthread_cond_t *cond, const void *unused); |
|
extern int pthread_cond_destroy(pthread_cond_t *cond); |
|
extern int pthread_cond_wait(pthread_cond_t *cond, CRITICAL_SECTION *mutex); |
|
extern int pthread_cond_signal(pthread_cond_t *cond); |
|
extern int pthread_cond_broadcast(pthread_cond_t *cond); |
|
|
|
/* |
|
* Simple thread creation implementation using pthread API |
|
*/ |
|
typedef struct { |
|
HANDLE handle; |
|
void *(*start_routine)(void*); |
|
void *arg; |
|
DWORD tid; |
|
} pthread_t; |
|
|
|
extern int pthread_create(pthread_t *thread, const void *unused, |
|
void *(*start_routine)(void*), void *arg); |
|
|
|
/* |
|
* To avoid the need of copying a struct, we use small macro wrapper to pass |
|
* pointer to win32_pthread_join instead. |
|
*/ |
|
#define pthread_join(a, b) win32_pthread_join(&(a), (b)) |
|
|
|
extern int win32_pthread_join(pthread_t *thread, void **value_ptr); |
|
|
|
#define pthread_equal(t1, t2) ((t1).tid == (t2).tid) |
|
extern pthread_t pthread_self(void); |
|
|
|
static inline int pthread_exit(void *ret) |
|
{ |
|
ExitThread((DWORD)ret); |
|
} |
|
|
|
typedef DWORD pthread_key_t; |
|
static inline int pthread_key_create(pthread_key_t *keyp, void (*destructor)(void *value)) |
|
{ |
|
return (*keyp = TlsAlloc()) == TLS_OUT_OF_INDEXES ? EAGAIN : 0; |
|
} |
|
|
|
static inline int pthread_setspecific(pthread_key_t key, const void *value) |
|
{ |
|
return TlsSetValue(key, (void *)value) ? 0 : EINVAL; |
|
} |
|
|
|
static inline void *pthread_getspecific(pthread_key_t key) |
|
{ |
|
return TlsGetValue(key); |
|
} |
|
|
|
#endif /* PTHREAD_H */
|
|
|