Modernize RWLock

- Based on C++14's `shared_time_mutex`
- No more need to allocate-deallocate or check for null
- No pointer anymore, just a member variable
- Platform-specific implementations no longer needed
- Simpler for `NO_THREADS`

2 files changed, 0 insertions, 150 deletions

diff --git a/drivers/windows/rw_lock_windows.cpp b/drivers/windows/rw_lock_windows.cpp
deleted file mode 100644
index 6f59e072bb..0000000000
--- a/drivers/windows/rw_lock_windows.cpp
+++ /dev/null
@@ -1,87 +0,0 @@
-/*************************************************************************/
-/*  rw_lock_windows.cpp                                                  */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* 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.                */
-/*************************************************************************/
-
-#if defined(WINDOWS_ENABLED)
-
-#include "rw_lock_windows.h"
-
-#include "core/error/error_macros.h"
-#include "core/os/memory.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
deleted file mode 100644
index a9d55bdef9..0000000000
--- a/drivers/windows/rw_lock_windows.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*************************************************************************/
-/*  rw_lock_windows.h                                                    */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
-/*                                                                       */
-/* 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.                */
-/*************************************************************************/
-
-#ifndef RWLOCKWINDOWS_H
-#define RWLOCKWINDOWS_H
-
-#if defined(WINDOWS_ENABLED)
-
-#include "core/os/rw_lock.h"
-
-#include <windows.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