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Diffstat (limited to '3rdparty/SDL2/src/thread/stdcpp/SDL_syscond.cpp')
-rw-r--r--3rdparty/SDL2/src/thread/stdcpp/SDL_syscond.cpp164
1 files changed, 0 insertions, 164 deletions
diff --git a/3rdparty/SDL2/src/thread/stdcpp/SDL_syscond.cpp b/3rdparty/SDL2/src/thread/stdcpp/SDL_syscond.cpp
deleted file mode 100644
index 976bff48792..00000000000
--- a/3rdparty/SDL2/src/thread/stdcpp/SDL_syscond.cpp
+++ /dev/null
@@ -1,164 +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"
-
-extern "C" {
-#include "SDL_thread.h"
-}
-
-#include <chrono>
-#include <condition_variable>
-#include <ratio>
-#include <system_error>
-
-#include "SDL_sysmutex_c.h"
-
-struct SDL_cond
-{
- std::condition_variable_any cpp_cond;
-};
-
-/* Create a condition variable */
-extern "C"
-SDL_cond *
-SDL_CreateCond(void)
-{
- /* Allocate and initialize the condition variable */
- try {
- SDL_cond * cond = new SDL_cond;
- return cond;
- } catch (std::system_error & ex) {
- SDL_SetError("unable to create a C++ condition variable: code=%d; %s", ex.code(), ex.what());
- return NULL;
- } catch (std::bad_alloc &) {
- SDL_OutOfMemory();
- return NULL;
- }
-}
-
-/* Destroy a condition variable */
-extern "C"
-void
-SDL_DestroyCond(SDL_cond * cond)
-{
- if (cond) {
- delete cond;
- }
-}
-
-/* Restart one of the threads that are waiting on the condition variable */
-extern "C"
-int
-SDL_CondSignal(SDL_cond * cond)
-{
- if (!cond) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- cond->cpp_cond.notify_one();
- return 0;
-}
-
-/* Restart all threads that are waiting on the condition variable */
-extern "C"
-int
-SDL_CondBroadcast(SDL_cond * cond)
-{
- if (!cond) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- cond->cpp_cond.notify_all();
- return 0;
-}
-
-/* Wait on the condition variable for at most 'ms' milliseconds.
- The mutex must be locked before entering this function!
- The mutex is unlocked during the wait, and locked again after the wait.
-
-Typical use:
-
-Thread A:
- SDL_LockMutex(lock);
- while ( ! condition ) {
- SDL_CondWait(cond, lock);
- }
- SDL_UnlockMutex(lock);
-
-Thread B:
- SDL_LockMutex(lock);
- ...
- condition = true;
- ...
- SDL_CondSignal(cond);
- SDL_UnlockMutex(lock);
- */
-extern "C"
-int
-SDL_CondWaitTimeout(SDL_cond * cond, SDL_mutex * mutex, Uint32 ms)
-{
- if (!cond) {
- SDL_SetError("Passed a NULL condition variable");
- return -1;
- }
-
- if (!mutex) {
- SDL_SetError("Passed a NULL mutex variable");
- return -1;
- }
-
- try {
- std::unique_lock<std::recursive_mutex> cpp_lock(mutex->cpp_mutex, std::adopt_lock_t());
- if (ms == SDL_MUTEX_MAXWAIT) {
- cond->cpp_cond.wait(
- cpp_lock
- );
- cpp_lock.release();
- return 0;
- } else {
- auto wait_result = cond->cpp_cond.wait_for(
- cpp_lock,
- std::chrono::duration<Uint32, std::milli>(ms)
- );
- cpp_lock.release();
- if (wait_result == std::cv_status::timeout) {
- return SDL_MUTEX_TIMEDOUT;
- } else {
- return 0;
- }
- }
- } catch (std::system_error & ex) {
- SDL_SetError("unable to wait on a C++ condition variable: code=%d; %s", ex.code(), ex.what());
- return -1;
- }
-}
-
-/* Wait on the condition variable forever */
-extern "C"
-int
-SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex)
-{
- return SDL_CondWaitTimeout(cond, mutex, SDL_MUTEX_MAXWAIT);
-}
-
-/* vi: set ts=4 sw=4 expandtab: */