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/pthread/SDL_systls.c | 78 +++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/thread/pthread/SDL_systls.c (limited to 'contrib/SDL-3.2.8/src/thread/pthread/SDL_systls.c') diff --git a/contrib/SDL-3.2.8/src/thread/pthread/SDL_systls.c b/contrib/SDL-3.2.8/src/thread/pthread/SDL_systls.c new file mode 100644 index 0000000..18e9a01 --- /dev/null +++ b/contrib/SDL-3.2.8/src/thread/pthread/SDL_systls.c @@ -0,0 +1,78 @@ +/* + 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" +#include "../SDL_systhread.h" +#include "../SDL_thread_c.h" + +#include + +#define INVALID_PTHREAD_KEY ((pthread_key_t)-1) + +static pthread_key_t thread_local_storage = INVALID_PTHREAD_KEY; +static bool generic_local_storage = false; + +void SDL_SYS_InitTLSData(void) +{ + if (thread_local_storage == INVALID_PTHREAD_KEY && !generic_local_storage) { + if (pthread_key_create(&thread_local_storage, NULL) != 0) { + thread_local_storage = INVALID_PTHREAD_KEY; + SDL_Generic_InitTLSData(); + generic_local_storage = true; + } + } +} + +SDL_TLSData *SDL_SYS_GetTLSData(void) +{ + if (generic_local_storage) { + return SDL_Generic_GetTLSData(); + } + + if (thread_local_storage != INVALID_PTHREAD_KEY) { + return (SDL_TLSData *)pthread_getspecific(thread_local_storage); + } + return NULL; +} + +bool SDL_SYS_SetTLSData(SDL_TLSData *data) +{ + if (generic_local_storage) { + return SDL_Generic_SetTLSData(data); + } + + if (pthread_setspecific(thread_local_storage, data) != 0) { + return SDL_SetError("pthread_setspecific() failed"); + } + return true; +} + +void SDL_SYS_QuitTLSData(void) +{ + if (generic_local_storage) { + SDL_Generic_QuitTLSData(); + generic_local_storage = false; + } else { + if (thread_local_storage != INVALID_PTHREAD_KEY) { + pthread_key_delete(thread_local_storage); + thread_local_storage = INVALID_PTHREAD_KEY; + } + } +} -- cgit v1.2.3