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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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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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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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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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#ifdef SDL_THREAD_N3DS
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// An implementation of mutexes using libctru's RecursiveLock
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#include "SDL_sysmutex_c.h"
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SDL_Mutex *SDL_CreateMutex(void)
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{
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SDL_Mutex *mutex = (SDL_Mutex *)SDL_malloc(sizeof(*mutex));
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if (mutex) {
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RecursiveLock_Init(&mutex->lock);
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}
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return mutex;
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}
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void SDL_DestroyMutex(SDL_Mutex *mutex)
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{
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if (mutex) {
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SDL_free(mutex);
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}
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}
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void SDL_LockMutex(SDL_Mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS // clang doesn't know about NULL mutexes
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{
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if (mutex) {
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RecursiveLock_Lock(&mutex->lock);
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}
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}
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bool SDL_TryLockMutex(SDL_Mutex *mutex)
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{
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if (mutex) {
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return RecursiveLock_TryLock(&mutex->lock);
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}
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return true;
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}
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void SDL_UnlockMutex(SDL_Mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS // clang doesn't know about NULL mutexes
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{
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if (mutex) {
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RecursiveLock_Unlock(&mutex->lock);
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}
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}
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#endif // SDL_THREAD_N3DS
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