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

3 files changed, 111 insertions, 0 deletions

diff --git a/drivers/windows/rw_lock_windows.cpp b/drivers/windows/rw_lock_windows.cpp
new file mode 100644
index 0000000000..0da7bf4bd5
--- /dev/null
+++ b/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
diff --git a/drivers/windows/rw_lock_windows.h b/drivers/windows/rw_lock_windows.h
new file mode 100644
index 0000000000..c089c31c33
--- /dev/null
+++ b/drivers/windows/rw_lock_windows.h
@@ -0,0 +1,37 @@
+#ifndef RWLOCKWINDOWS_H
+#define RWLOCKWINDOWS_H
+
+#if defined(WINDOWS_ENABLED)
+
+#include <windows.h>
+#include "os/rw_lock.h"
+
+class RWLockWindows : public RWLock {
+
+
+	SRWLOCK lock;
+
+	static RWLock *create_func_windows();
+
+public:
+
+	virtual void read_lock();
+	virtual void read_unlock();
+	virtual Error read_try_lock();
+
+	virtual void write_lock();
+	virtual void write_unlock();
+	virtual Error write_try_lock();
+
+	static void make_default();
+
+	RWLockWindows();
+
+	~RWLockWindows();
+
+};
+
+#endif
+
+
+#endif // RWLOCKWINDOWS_H
diff --git a/platform/windows/os_windows.cpp b/platform/windows/os_windows.cpp
index 02138891b7..971ec25f77 100644
--- a/platform/windows/os_windows.cpp
+++ b/platform/windows/os_windows.cpp
@@ -34,6 +34,7 @@
 #include "drivers/windows/thread_windows.h"
 #include "drivers/windows/semaphore_windows.h"
 #include "drivers/windows/mutex_windows.h"
+#include "drivers/windows/rw_lock_windows.h"
 #include "main/main.h"
 #include "drivers/windows/file_access_windows.h"
 #include "drivers/windows/dir_access_windows.h"
@@ -180,6 +181,7 @@ void OS_Windows::initialize_core() {
 	ThreadWindows::make_default();
 	SemaphoreWindows::make_default();
 	MutexWindows::make_default();
+	RWLockWindows::make_default();
 
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_RESOURCES);
 	FileAccess::make_default<FileAccessWindows>(FileAccess::ACCESS_USERDATA);