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
|
/*
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.
*/
#include "jthread/jsemaphore.h"
JSemaphore::JSemaphore() {
sem_init(&m_semaphore,0,0);
}
JSemaphore::~JSemaphore() {
sem_destroy(&m_semaphore);
}
JSemaphore::JSemaphore(int initval) {
sem_init(&m_semaphore,0,initval);
}
void JSemaphore::Post() {
sem_post(&m_semaphore);
}
void JSemaphore::Wait() {
sem_wait(&m_semaphore);
}
int JSemaphore::GetValue() {
int retval = 0;
sem_getvalue(&m_semaphore,&retval);
return retval;
}
|
