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Code Issues Releases Activity

compat/w32pthreads: Add return values to match the simulated pthread functions.

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This commit is contained in:
Matt Oliver 2015-09-30 13:41:33 +10:00
parent 733475160a
commit ae58abeabb
1 changed files with 23 additions and 13 deletions
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36
compat/w32pthreads.h
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@ -87,14 +87,19 @@ static av_unused int pthread_create(pthread_t *thread, const void *unused_attr,
return !thread->handle; return !thread->handle;
} }
static av_unused void pthread_join(pthread_t thread, void **value_ptr) static av_unused int pthread_join(pthread_t thread, void **value_ptr)
{ {
DWORD ret = WaitForSingleObject(thread.handle, INFINITE); DWORD ret = WaitForSingleObject(thread.handle, INFINITE);
if (ret != WAIT_OBJECT_0) if (ret != WAIT_OBJECT_0) {
return; if (ret == WAIT_ABANDONED)
return EINVAL;
else
return EDEADLK;
}
if (value_ptr) if (value_ptr)
*value_ptr = thread.ret; *value_ptr = thread.ret;
CloseHandle(thread.handle); CloseHandle(thread.handle);
return 0;
} }
static inline int pthread_mutex_init(pthread_mutex_t *m, void* attr) static inline int pthread_mutex_init(pthread_mutex_t *m, void* attr)
@ -126,14 +131,15 @@ static inline int pthread_cond_init(pthread_cond_t *cond, const void *unused_att
} }
/* native condition variables do not destroy */ /* native condition variables do not destroy */
static inline void pthread_cond_destroy(pthread_cond_t *cond) static inline int pthread_cond_destroy(pthread_cond_t *cond)
{ {
return; return 0;
} }
static inline void pthread_cond_broadcast(pthread_cond_t *cond) static inline int pthread_cond_broadcast(pthread_cond_t *cond)
{ {
WakeAllConditionVariable(cond); WakeAllConditionVariable(cond);
return 0;
} }
static inline int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) static inline int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
@ -142,9 +148,10 @@ static inline int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex
return 0; return 0;
} }
static inline void pthread_cond_signal(pthread_cond_t *cond) static inline int pthread_cond_signal(pthread_cond_t *cond)
{ {
WakeConditionVariable(cond); WakeConditionVariable(cond);
return 0;
} }
#else // _WIN32_WINNT < 0x0600 #else // _WIN32_WINNT < 0x0600
@ -191,12 +198,12 @@ static av_unused int pthread_cond_init(pthread_cond_t *cond, const void *unused_
return 0; return 0;
} }
static av_unused void pthread_cond_destroy(pthread_cond_t *cond) static av_unused int pthread_cond_destroy(pthread_cond_t *cond)
{ {
win32_cond_t *win32_cond = cond->Ptr; win32_cond_t *win32_cond = cond->Ptr;
/* native condition variables do not destroy */ /* native condition variables do not destroy */
if (cond_init) if (cond_init)
return; return 0;
/* non native condition variables */ /* non native condition variables */
CloseHandle(win32_cond->semaphore); CloseHandle(win32_cond->semaphore);
@ -205,16 +212,17 @@ static av_unused void pthread_cond_destroy(pthread_cond_t *cond)
pthread_mutex_destroy(&win32_cond->mtx_broadcast); pthread_mutex_destroy(&win32_cond->mtx_broadcast);
av_freep(&win32_cond); av_freep(&win32_cond);
cond->Ptr = NULL; cond->Ptr = NULL;
return 0;
} }
static av_unused void pthread_cond_broadcast(pthread_cond_t *cond) static av_unused int pthread_cond_broadcast(pthread_cond_t *cond)
{ {
win32_cond_t *win32_cond = cond->Ptr; win32_cond_t *win32_cond = cond->Ptr;
int have_waiter; int have_waiter;
if (cond_broadcast) { if (cond_broadcast) {
cond_broadcast(cond); cond_broadcast(cond);
return; return 0;
} }
/* non native condition variables */ /* non native condition variables */
@ -236,6 +244,7 @@ static av_unused void pthread_cond_broadcast(pthread_cond_t *cond)
} else } else
pthread_mutex_unlock(&win32_cond->mtx_waiter_count); pthread_mutex_unlock(&win32_cond->mtx_waiter_count);
pthread_mutex_unlock(&win32_cond->mtx_broadcast); pthread_mutex_unlock(&win32_cond->mtx_broadcast);
return 0;
} }
static av_unused int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex) static av_unused int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
@ -270,13 +279,13 @@ static av_unused int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mu
return pthread_mutex_lock(mutex); return pthread_mutex_lock(mutex);
} }
static av_unused void pthread_cond_signal(pthread_cond_t *cond) static av_unused int pthread_cond_signal(pthread_cond_t *cond)
{ {
win32_cond_t *win32_cond = cond->Ptr; win32_cond_t *win32_cond = cond->Ptr;
int have_waiter; int have_waiter;
if (cond_signal) { if (cond_signal) {
cond_signal(cond); cond_signal(cond);
return; return 0;
} }
pthread_mutex_lock(&win32_cond->mtx_broadcast); pthread_mutex_lock(&win32_cond->mtx_broadcast);
@ -293,6 +302,7 @@ static av_unused void pthread_cond_signal(pthread_cond_t *cond)
} }
pthread_mutex_unlock(&win32_cond->mtx_broadcast); pthread_mutex_unlock(&win32_cond->mtx_broadcast);
return 0;
} }
#endif #endif