1 files changed, 57 insertions, 0 deletions
diff --git a/src/Platform/Posix/Mutex.c b/src/Platform/Posix/Mutex.c
new file mode 100644
index 0000000..a903d28
--- /dev/null
+++ b/src/Platform/Posix/Mutex.c
@@ -0,0 +1,57 @@
+#include "Thread.h"
+
+#include <BH/Thread.h>
+#include <stdlib.h>
+#include <errno.h>
+
+
+BH_Mutex *BH_MutexNew(void)
+{
+    BH_Mutex *mutex;
+
+    /* Allocate space for mutex and initialize it */
+    mutex = malloc(sizeof(BH_Mutex));
+    if (mutex && pthread_mutex_init(&mutex->handle, NULL))
+    {
+        free(mutex);
+        return NULL;
+    }
+
+    return mutex;
+}
+
+
+void BH_MutexFree(BH_Mutex *mutex)
+{
+    pthread_mutex_destroy(&mutex->handle);
+    free(mutex);
+}
+
+
+int BH_MutexLock(BH_Mutex *mutex)
+{
+    if (pthread_mutex_lock(&mutex->handle))
+        return BH_ERROR;
+
+    return BH_OK;
+}
+
+
+int BH_MutexUnlock(BH_Mutex *mutex)
+{
+    if (pthread_mutex_unlock(&mutex->handle))
+        return BH_ERROR;
+
+    return BH_OK;
+}
+
+
+int BH_MutexLockTry(BH_Mutex *mutex)
+{
+    switch (pthread_mutex_trylock(&mutex->handle))
+    {
+    case 0: return BH_OK;
+    case EBUSY: return BH_TIMEOUT;
+    default: return BH_ERROR;
+    }
+}