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Diffstat (limited to '3rdparty/SDL2/src/thread/windows/SDL_sysmutex.c')
-rw-r--r--3rdparty/SDL2/src/thread/windows/SDL_sysmutex.c110
1 files changed, 0 insertions, 110 deletions
diff --git a/3rdparty/SDL2/src/thread/windows/SDL_sysmutex.c b/3rdparty/SDL2/src/thread/windows/SDL_sysmutex.c
deleted file mode 100644
index 413cb67037f..00000000000
--- a/3rdparty/SDL2/src/thread/windows/SDL_sysmutex.c
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-#include "../../SDL_internal.h"
-
-#if SDL_THREAD_WINDOWS
-
-/* Mutex functions using the Win32 API */
-
-#include "../../core/windows/SDL_windows.h"
-
-#include "SDL_mutex.h"
-
-
-struct SDL_mutex
-{
- CRITICAL_SECTION cs;
-};
-
-/* Create a mutex */
-SDL_mutex *
-SDL_CreateMutex(void)
-{
- SDL_mutex *mutex;
-
- /* Allocate mutex memory */
- mutex = (SDL_mutex *) SDL_malloc(sizeof(*mutex));
- if (mutex) {
- /* Initialize */
- /* On SMP systems, a non-zero spin count generally helps performance */
-#if __WINRT__
- InitializeCriticalSectionEx(&mutex->cs, 2000, 0);
-#else
- InitializeCriticalSectionAndSpinCount(&mutex->cs, 2000);
-#endif
- } else {
- SDL_OutOfMemory();
- }
- return (mutex);
-}
-
-/* Free the mutex */
-void
-SDL_DestroyMutex(SDL_mutex * mutex)
-{
- if (mutex) {
- DeleteCriticalSection(&mutex->cs);
- SDL_free(mutex);
- }
-}
-
-/* Lock the mutex */
-int
-SDL_LockMutex(SDL_mutex * mutex)
-{
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- EnterCriticalSection(&mutex->cs);
- return (0);
-}
-
-/* TryLock the mutex */
-int
-SDL_TryLockMutex(SDL_mutex * mutex)
-{
- int retval = 0;
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- if (TryEnterCriticalSection(&mutex->cs) == 0) {
- retval = SDL_MUTEX_TIMEDOUT;
- }
- return retval;
-}
-
-/* Unlock the mutex */
-int
-SDL_UnlockMutex(SDL_mutex * mutex)
-{
- if (mutex == NULL) {
- return SDL_SetError("Passed a NULL mutex");
- }
-
- LeaveCriticalSection(&mutex->cs);
- return (0);
-}
-
-#endif /* SDL_THREAD_WINDOWS */
-
-/* vi: set ts=4 sw=4 expandtab: */