diff --git a/src/thread/n3ds/SDL_syscond.c b/src/thread/n3ds/SDL_syscond.c deleted file mode 100644 index d5c4067da9..0000000000 --- a/src/thread/n3ds/SDL_syscond.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - 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" - -#ifdef SDL_THREAD_N3DS - -// An implementation of condition variables using libctru's CondVar - -#include "SDL_sysmutex_c.h" - -struct SDL_Condition -{ - CondVar cond_variable; -}; - -// Create a condition variable -SDL_Condition *SDL_CreateCondition(void) -{ - SDL_Condition *cond = (SDL_Condition *)SDL_malloc(sizeof(SDL_Condition)); - if (cond) { - CondVar_Init(&cond->cond_variable); - } - return cond; -} - -// Destroy a condition variable -void SDL_DestroyCondition(SDL_Condition *cond) -{ - if (cond) { - SDL_free(cond); - } -} - -// Restart one of the threads that are waiting on the condition variable -void SDL_SignalCondition(SDL_Condition *cond) -{ - if (!cond) { - return; - } - - CondVar_Signal(&cond->cond_variable); -} - -// Restart all threads that are waiting on the condition variable -void SDL_BroadcastCondition(SDL_Condition *cond) -{ - if (!cond) { - return; - } - - CondVar_Broadcast(&cond->cond_variable); -} - -/* Wait on the condition variable for at most 'timeoutNS' nanoseconds. - 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_WaitCondition(cond, lock); - } - SDL_UnlockMutex(lock); - -Thread B: - SDL_LockMutex(lock); - ... - condition = true; - ... - SDL_SignalCondition(cond); - SDL_UnlockMutex(lock); - */ -bool SDL_WaitConditionTimeoutNS(SDL_Condition *cond, SDL_Mutex *mutex, Sint64 timeoutNS) -{ - Result res; - - if (!cond || !mutex) { - return true; - } - - res = 0; - if (timeoutNS < 0) { - CondVar_Wait(&cond->cond_variable, &mutex->lock.lock); - } else { - res = CondVar_WaitTimeout(&cond->cond_variable, &mutex->lock.lock, timeoutNS); - } - - return R_SUCCEEDED(res); -} - -#endif // SDL_THREAD_N3DS