1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/windows/semaphore_windows.cpp b/drivers/windows/semaphore_windows.cpp
new file mode 100644
index 000000000..28a04f4ac
--- /dev/null
+++ b/drivers/windows/semaphore_windows.cpp
@@ -0,0 +1,89 @@
+/*************************************************************************/
+/*  semaphore_windows.cpp                                                */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#include "semaphore_windows.h"
+
+#ifdef WINDOWS_ENABLED
+
+#include "os/memory.h"
+
+Error SemaphoreWindows::wait() {
+
+	WaitForSingleObject(semaphore,INFINITE);
+	return OK;
+}
+Error SemaphoreWindows::post() {
+
+	ReleaseSemaphore(semaphore,1,NULL);
+	return OK;
+}
+int SemaphoreWindows::get() const {
+	long previous;
+	switch (WaitForSingleObject(semaphore, 0)) {
+		case WAIT_OBJECT_0: {
+			ERR_FAIL_COND_V(!ReleaseSemaphore(semaphore, 1, &previous),-1);
+			return previous + 1;
+		} break;
+		case WAIT_TIMEOUT: {
+			return 0;
+		} break;
+		default: {}
+	}
+
+	ERR_FAIL_V(-1);
+}
+
+
+Semaphore *SemaphoreWindows::create_semaphore_windows() {
+
+	return memnew( SemaphoreWindows );
+}
+
+void SemaphoreWindows::make_default() {
+
+	create_func=create_semaphore_windows;
+}
+
+SemaphoreWindows::SemaphoreWindows() {
+
+	semaphore=CreateSemaphore(
+  		NULL,
+  		0,
+  		0xFFFFFFF, //wathever
+  		NULL);
+
+}
+
+
+SemaphoreWindows::~SemaphoreWindows() {
+
+	CloseHandle(semaphore);
+}
+
+
+#endif