Initial commit

win32/Mutex.c

@@ -0,0 +1,49 @@
+#include "Internal.h"
+#include "Codemap.h"
+#include <stdlib.h>
+
+CgeMutex *CgeMutexNew(int *result) {
+    CgeMutex *mutex;
+    int code = CGE_THREAD_EOOM;
+
+    mutex = malloc(sizeof(*mutex));
+    if (mutex && !InitializeCriticalSectionAndSpinCount(&mutex->handle, 0x400)) {
+        code = errorToErrorCode(GetLastError());
+        free(mutex);
+        mutex = NULL;
+    }
+
+    if (result)
+        *result = code;
+
+    return mutex;
+}
+
+void CgeMutexFree(CgeMutex *mutex) {
+    if (!mutex)
+        return;
+    DeleteCriticalSection(&mutex->handle);
+    free(mutex);
+}
+
+int CgeMutexLock(CgeMutex *mutex, int *result) {
+    (void)result;
+    EnterCriticalSection(&mutex->handle);
+    return 1;
+}
+
+int CgeMutexUnlock(CgeMutex *mutex, int *result) {
+    (void)result;
+    LeaveCriticalSection(&mutex->handle);
+    return 1;
+}
+
+int CgeMutexTryLock(CgeMutex *mutex, int *result) {
+    if (TryEnterCriticalSection(&mutex->handle))
+        return 1;
+
+    if (result)
+        *result = CGE_THREAD_EBUSY;
+
+    return 0;
+}