Added missing readers writers lock to windows, should compile and run again..

drivers/windows/rw_lock_windows.cpp

@@ -0,0 +1,72 @@
+
+#if defined(WINDOWS_ENABLED)
+
+#include "os/memory.h"
+#include "rw_lock_windows.h"
+#include "error_macros.h"
+#include <stdio.h>
+
+void RWLockWindows::read_lock() {
+
+	AcquireSRWLockShared(&lock);
+
+}
+
+void RWLockWindows::read_unlock() {
+
+	ReleaseSRWLockShared(&lock);
+}
+
+Error RWLockWindows::read_try_lock() {
+
+	if (TryAcquireSRWLockShared(&lock)==0) {
+		return ERR_BUSY;
+	} else {
+		return OK;
+	}
+
+}
+
+void RWLockWindows::write_lock() {
+
+	AcquireSRWLockExclusive(&lock);
+
+}
+
+void RWLockWindows::write_unlock() {
+
+	ReleaseSRWLockExclusive(&lock);
+}
+
+Error RWLockWindows::write_try_lock() {
+	if (TryAcquireSRWLockExclusive(&lock)==0) {
+		return ERR_BUSY;
+	} else {
+		return OK;
+	}
+}
+
+
+RWLock *RWLockWindows::create_func_windows() {
+
+	return memnew( RWLockWindows );
+}
+
+void RWLockWindows::make_default() {
+
+	create_func=create_func_windows;
+}
+
+
+RWLockWindows::RWLockWindows() {
+
+	InitializeSRWLock(&lock);
+}
+
+
+RWLockWindows::~RWLockWindows() {
+
+
+}
+
+#endif