mirror of
https://github.com/libretro/RetroArch
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59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (xenon_sdl_threads.c).
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* ---------------------------------------------------------------------------------------
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*
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* Permission is hereby granted, free of charge,
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* to any person obtaining a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* libSDLxenon doesn't implement this yet :[. Implement it very stupidly for now. ;) */
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#include "SDL_thread.h"
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#include "SDL_mutex.h"
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#include <stdlib.h>
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#include <boolean.h>
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SDL_cond *SDL_CreateCond(void)
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{
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bool *sleeping = calloc(1, sizeof(*sleeping));
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return (SDL_cond*)sleeping;
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}
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void SDL_DestroyCond(SDL_cond *sleeping)
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{
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free(sleeping);
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}
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int SDL_CondWait(SDL_cond *cond, SDL_mutex *lock)
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{
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(void)lock;
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volatile bool *sleeping = (volatile bool*)cond;
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SDL_mutexV(lock);
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*sleeping = true;
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while (*sleeping); /* Yeah, we all love busyloops don't we? ._. */
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SDL_mutexP(lock);
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return 0;
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}
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int SDL_CondSignal(SDL_cond *cond)
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{
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*(volatile bool*)cond = false;
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return 0;
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}
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