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@@ -1,127 +0,0 @@
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-/*
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- Simple DirectMedia Layer
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- Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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-
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- This software is provided 'as-is', without any express or implied
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- warranty. In no event will the authors be held liable for any damages
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- arising from the use of this software.
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-
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- Permission is granted to anyone to use this software for any purpose,
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- including commercial applications, and to alter it and redistribute it
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- freely, subject to the following restrictions:
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-
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- 1. The origin of this software must not be misrepresented; you must not
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- claim that you wrote the original software. If you use this software
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- in a product, an acknowledgment in the product documentation would be
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- appreciated but is not required.
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- 2. Altered source versions must be plainly marked as such, and must not be
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- misrepresented as being the original software.
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- 3. This notice may not be removed or altered from any source distribution.
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-*/
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-#include "../../SDL_internal.h"
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-
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-#ifdef SDL_THREAD_N3DS
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-
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-/* An implementation of condition variables using libctru's CondVar */
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-
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-#include "SDL_sysmutex_c.h"
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-
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-struct SDL_cond
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-{
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- CondVar cond_variable;
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-};
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-
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-/* Create a condition variable */
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-SDL_cond *SDL_CreateCond(void)
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-{
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- SDL_cond *cond = (SDL_cond *)SDL_malloc(sizeof(SDL_cond));
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- if (cond) {
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- CondVar_Init(&cond->cond_variable);
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- } else {
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- SDL_OutOfMemory();
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- }
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- return cond;
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-}
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-
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-/* Destroy a condition variable */
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-void SDL_DestroyCond(SDL_cond *cond)
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-{
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- if (cond) {
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- SDL_free(cond);
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- }
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-}
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-
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-/* Restart one of the threads that are waiting on the condition variable */
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-int SDL_CondSignal(SDL_cond *cond)
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-{
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- if (!cond) {
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- return SDL_InvalidParamError("cond");
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- }
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-
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- CondVar_Signal(&cond->cond_variable);
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- return 0;
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-}
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-
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-/* Restart all threads that are waiting on the condition variable */
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-int SDL_CondBroadcast(SDL_cond *cond)
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-{
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- if (!cond) {
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- return SDL_InvalidParamError("cond");
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- }
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-
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- CondVar_Broadcast(&cond->cond_variable);
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- return 0;
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-}
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-
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-/* Wait on the condition variable for at most 'ms' milliseconds.
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- The mutex must be locked before entering this function!
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- The mutex is unlocked during the wait, and locked again after the wait.
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-
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-Typical use:
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-
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-Thread A:
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- SDL_LockMutex(lock);
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- while ( ! condition ) {
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- SDL_CondWait(cond, lock);
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- }
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- SDL_UnlockMutex(lock);
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-
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-Thread B:
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- SDL_LockMutex(lock);
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- ...
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- condition = true;
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- ...
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- SDL_CondSignal(cond);
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- SDL_UnlockMutex(lock);
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- */
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-int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
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-{
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- Result res;
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-
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- if (!cond) {
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- return SDL_InvalidParamError("cond");
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- }
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- if (!mutex) {
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- return SDL_InvalidParamError("mutex");
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- }
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-
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- res = 0;
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- if (ms == SDL_MUTEX_MAXWAIT) {
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- CondVar_Wait(&cond->cond_variable, &mutex->lock.lock);
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- } else {
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- res = CondVar_WaitTimeout(&cond->cond_variable, &mutex->lock.lock,
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- (s64)ms * 1000000LL);
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- }
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-
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- return R_SUCCEEDED(res) ? 0 : SDL_MUTEX_TIMEDOUT;
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-}
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-
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-/* Wait on the condition variable forever */
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-int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex)
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-{
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- return SDL_CondWaitTimeout(cond, mutex, SDL_MUTEX_MAXWAIT);
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-}
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-
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-#endif /* SDL_THREAD_N3DS */
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-
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-/* vi: set sts=4 ts=4 sw=4 expandtab: */
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