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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| MultiCraft | ||
| Copyright (C) 2013 sapier <sapier AT gmx DOT net> | ||
| Copyright (C) 2023 Dawid Gan <deveee@gmail.com> | ||
| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU Lesser General Public License as published by | ||
| the Free Software Foundation; either version 3.0 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public License along | ||
| with this program; if not, write to the Free Software Foundation, Inc., | ||
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| */ | ||
|
|
||
| #include "threading/sdl_semaphore.h" | ||
|
|
||
| #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
|
|
||
| #include <cassert> | ||
|
|
||
| #define UNUSED(expr) \ | ||
| do { \ | ||
| (void)(expr); \ | ||
| } while (0) | ||
|
|
||
| Semaphore::Semaphore(int val) | ||
| { | ||
| semaphore = SDL_CreateSemaphore(val); | ||
| } | ||
|
|
||
| Semaphore::~Semaphore() | ||
| { | ||
| SDL_DestroySemaphore(semaphore); | ||
| } | ||
|
|
||
| void Semaphore::post(unsigned int num) | ||
| { | ||
| assert(num > 0); | ||
| for (unsigned i = 0; i < num; i++) { | ||
| int ret = SDL_SemPost(semaphore); | ||
| assert(!ret); | ||
| UNUSED(ret); | ||
| } | ||
| } | ||
|
|
||
| void Semaphore::wait() | ||
| { | ||
| int ret = SDL_SemWait(semaphore); | ||
| assert(!ret); | ||
| UNUSED(ret); | ||
| } | ||
|
|
||
| bool Semaphore::wait(unsigned int time_ms) | ||
| { | ||
| int ret; | ||
| if (time_ms > 0) { | ||
| ret = SDL_SemWaitTimeout(semaphore, time_ms); | ||
| } else { | ||
| ret = SDL_SemTryWait(semaphore); | ||
| } | ||
| assert(!ret || ret == SDL_MUTEX_TIMEDOUT); | ||
| return !ret; | ||
| } | ||
|
|
||
| #endif |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| MultiCraft | ||
| Copyright (C) 2013 sapier <sapier AT gmx DOT net> | ||
| Copyright (C) 2023 Dawid Gan <deveee@gmail.com> | ||
| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU Lesser General Public License as published by | ||
| the Free Software Foundation; either version 3.0 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU Lesser General Public License for more details. | ||
| You should have received a copy of the GNU Lesser General Public License along | ||
| with this program; if not, write to the Free Software Foundation, Inc., | ||
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include "IrrCompileConfig.h" | ||
|
|
||
| #ifdef _IRR_COMPILE_WITH_SDL_DEVICE_ | ||
|
|
||
| #include "porting.h" | ||
| #include "util/basic_macros.h" | ||
|
|
||
| #include <SDL.h> | ||
|
|
||
| class Semaphore | ||
| { | ||
| public: | ||
| Semaphore(int val = 0); | ||
| ~Semaphore(); | ||
|
|
||
| DISABLE_CLASS_COPY(Semaphore); | ||
|
|
||
| void post(unsigned int num = 1); | ||
| void wait(); | ||
| bool wait(unsigned int time_ms); | ||
|
|
||
| private: | ||
| SDL_sem *semaphore; | ||
| }; | ||
|
|
||
| #endif |
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