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Diffstat (limited to '3rdparty/SDL2/src/thread/stdcpp/SDL_sysmutex.cpp')
-rw-r--r--3rdparty/SDL2/src/thread/stdcpp/SDL_sysmutex.cpp111
1 files changed, 111 insertions, 0 deletions
diff --git a/3rdparty/SDL2/src/thread/stdcpp/SDL_sysmutex.cpp b/3rdparty/SDL2/src/thread/stdcpp/SDL_sysmutex.cpp
new file mode 100644
index 00000000000..04028627d07
--- /dev/null
+++ b/3rdparty/SDL2/src/thread/stdcpp/SDL_sysmutex.cpp
@@ -0,0 +1,111 @@
+/*
+ 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"
+
+extern "C" {
+#include "SDL_thread.h"
+#include "SDL_systhread_c.h"
+#include "SDL_log.h"
+}
+
+#include <system_error>
+
+#include "SDL_sysmutex_c.h"
+#include <Windows.h>
+
+
+/* Create a mutex */
+extern "C"
+SDL_mutex *
+SDL_CreateMutex(void)
+{
+ /* Allocate and initialize the mutex */
+ try {
+ SDL_mutex * mutex = new SDL_mutex;
+ return mutex;
+ } catch (std::system_error & ex) {
+ SDL_SetError("unable to create a C++ mutex: code=%d; %s", ex.code(), ex.what());
+ return NULL;
+ } catch (std::bad_alloc &) {
+ SDL_OutOfMemory();
+ return NULL;
+ }
+}
+
+/* Free the mutex */
+extern "C"
+void
+SDL_DestroyMutex(SDL_mutex * mutex)
+{
+ if (mutex) {
+ delete mutex;
+ }
+}
+
+/* Lock the semaphore */
+extern "C"
+int
+SDL_mutexP(SDL_mutex * mutex)
+{
+ if (mutex == NULL) {
+ SDL_SetError("Passed a NULL mutex");
+ return -1;
+ }
+
+ try {
+ mutex->cpp_mutex.lock();
+ return 0;
+ } catch (std::system_error & ex) {
+ SDL_SetError("unable to lock a C++ mutex: code=%d; %s", ex.code(), ex.what());
+ return -1;
+ }
+}
+
+/* TryLock the mutex */
+int
+SDL_TryLockMutex(SDL_mutex * mutex)
+{
+ int retval = 0;
+ if (mutex == NULL) {
+ return SDL_SetError("Passed a NULL mutex");
+ }
+
+ if (mutex->cpp_mutex.try_lock() == false) {
+ retval = SDL_MUTEX_TIMEDOUT;
+ }
+ return retval;
+}
+
+/* Unlock the mutex */
+extern "C"
+int
+SDL_mutexV(SDL_mutex * mutex)
+{
+ if (mutex == NULL) {
+ SDL_SetError("Passed a NULL mutex");
+ return -1;
+ }
+
+ mutex->cpp_mutex.unlock();
+ return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */