| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (xenon_sdl_threads.c). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | /* libSDLxenon doesn't implement this yet :[. Implement it very stupidly for now. ;) */ |
| 24 | |
| 25 | #include "SDL_thread.h" |
| 26 | #include "SDL_mutex.h" |
| 27 | #include <stdlib.h> |
| 28 | #include <boolean.h> |
| 29 | |
| 30 | SDL_cond *SDL_CreateCond(void) |
| 31 | { |
| 32 | bool *sleeping = calloc(1, sizeof(*sleeping)); |
| 33 | return (SDL_cond*)sleeping; |
| 34 | } |
| 35 | |
| 36 | void SDL_DestroyCond(SDL_cond *sleeping) |
| 37 | { |
| 38 | free(sleeping); |
| 39 | } |
| 40 | |
| 41 | int SDL_CondWait(SDL_cond *cond, SDL_mutex *lock) |
| 42 | { |
| 43 | (void)lock; |
| 44 | volatile bool *sleeping = (volatile bool*)cond; |
| 45 | |
| 46 | SDL_mutexV(lock); |
| 47 | *sleeping = true; |
| 48 | while (*sleeping); /* Yeah, we all love busyloops don't we? ._. */ |
| 49 | SDL_mutexP(lock); |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | int SDL_CondSignal(SDL_cond *cond) |
| 55 | { |
| 56 | *(volatile bool*)cond = false; |
| 57 | return 0; |
| 58 | } |