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/*
Minetest
Copyright (C) 2013 sapier <sapier AT gmx DOT net>
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 2.1 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.
*/
#ifndef THREADING_SEMAPHORE_H
#define THREADING_SEMAPHORE_H
#if defined(_WIN32)
#include <windows.h>
#elif defined(__MACH__) && defined(__APPLE__)
#include <mach/semaphore.h>
#else
#include <semaphore.h>
#endif
#include "util/basic_macros.h"
class Semaphore {
public:
Semaphore(int val=0);
~Semaphore();
void post(unsigned int num=1);
void wait();
bool wait(unsigned int time_ms);
private:
#if defined(WIN32)
HANDLE semaphore;
#elif defined(__MACH__) && defined(__APPLE__)
semaphore_t semaphore;
#else
sem_t semaphore;
#endif
DISABLE_CLASS_COPY(Semaphore);
};
#endif
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