diff options
Diffstat (limited to 'include/compat')
| -rwxr-xr-x[-rw-r--r--] | include/compat/pthread.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/compat/pthread.h b/include/compat/pthread.h index 8b8c3c6..1527d3c 100644..100755 --- a/include/compat/pthread.h +++ b/include/compat/pthread.h @@ -8,6 +8,8 @@ #ifdef _WIN32 +#include <malloc.h> +#include <stdlib.h> #include <windows.h> /* @@ -16,6 +18,11 @@ #define PTHREAD_ONCE_INIT { INIT_ONCE_STATIC_INIT } /* + * Static mutex initialization values. + */ +#define PTHREAD_MUTEX_INITIALIZER { .lock = NULL } + +/* * Once definitions. */ struct pthread_once { @@ -55,27 +62,43 @@ pthread_equal(pthread_t t1, pthread_t t2) return t1 == t2; } -typedef CRITICAL_SECTION pthread_mutex_t; +struct pthread_mutex { + volatile LPCRITICAL_SECTION lock; +}; +typedef struct pthread_mutex pthread_mutex_t; typedef void pthread_mutexattr_t; static inline int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr) { - InitializeCriticalSection(mutex); + if ((mutex->lock = malloc(sizeof(CRITICAL_SECTION))) == NULL) + exit(ENOMEM); + InitializeCriticalSection(mutex->lock); return 0; } static inline int pthread_mutex_lock(pthread_mutex_t *mutex) { - EnterCriticalSection(mutex); + if (mutex->lock == NULL) { + LPCRITICAL_SECTION lcs; + + if ((lcs = malloc(sizeof(CRITICAL_SECTION))) == NULL) + exit(ENOMEM); + InitializeCriticalSection(lcs); + if (InterlockedCompareExchangePointer((PVOID*)&mutex->lock, (PVOID)lcs, NULL) != NULL) { + DeleteCriticalSection(lcs); + free(lcs); + } + } + EnterCriticalSection(mutex->lock); return 0; } static inline int pthread_mutex_unlock(pthread_mutex_t *mutex) { - LeaveCriticalSection(mutex); + LeaveCriticalSection(mutex->lock); return 0; } |