From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c | 67 ++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c (limited to 'contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c') diff --git a/contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c b/contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c new file mode 100644 index 0000000..0abb9f5 --- /dev/null +++ b/contrib/SDL-3.2.8/src/thread/n3ds/SDL_sysmutex.c @@ -0,0 +1,67 @@ +/* + 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 mutexes using libctru's RecursiveLock + +#include "SDL_sysmutex_c.h" + +SDL_Mutex *SDL_CreateMutex(void) +{ + SDL_Mutex *mutex = (SDL_Mutex *)SDL_malloc(sizeof(*mutex)); + if (mutex) { + RecursiveLock_Init(&mutex->lock); + } + return mutex; +} + +void SDL_DestroyMutex(SDL_Mutex *mutex) +{ + if (mutex) { + SDL_free(mutex); + } +} + +void SDL_LockMutex(SDL_Mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS // clang doesn't know about NULL mutexes +{ + if (mutex) { + RecursiveLock_Lock(&mutex->lock); + } +} + +bool SDL_TryLockMutex(SDL_Mutex *mutex) +{ + if (mutex) { + return RecursiveLock_TryLock(&mutex->lock); + } + return true; +} + +void SDL_UnlockMutex(SDL_Mutex *mutex) SDL_NO_THREAD_SAFETY_ANALYSIS // clang doesn't know about NULL mutexes +{ + if (mutex) { + RecursiveLock_Unlock(&mutex->lock); + } +} + +#endif // SDL_THREAD_N3DS -- cgit v1.2.3