aboutsummaryrefslogtreecommitdiff
path: root/src/threading/semaphore.h
blob: 736f2bc784d145d8801939e587f3b7aef57d28d2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
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 "basicmacros.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