-
-
Notifications
You must be signed in to change notification settings - Fork 32
/
waitablefifo.h
53 lines (45 loc) · 1.38 KB
/
waitablefifo.h
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
/*
* The Doomsday Engine Project -- libdeng2
*
* Copyright (c) 2004-2013 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBDENG2_WAITABLEFIFO_H
#define LIBDENG2_WAITABLEFIFO_H
#include "../FIFO"
#include "../Waitable"
namespace de {
/**
* FIFO with a semaphore that allows threads to wait until there are objects in
* the buffer.
*
* @ingroup data
*/
template <typename Type>
class WaitableFIFO : public FIFO<Type>, public Waitable
{
public:
WaitableFIFO() {}
void put(Type *object, typename FIFO<Type>::PutMode mode = FIFO<Type>::PutHead) {
FIFO<Type>::put(object, mode);
post();
}
Type *take() {
wait();
return FIFO<Type>::take();
}
};
} // namespace de
#endif // LIBDENG2_WAITABLEFIFO_H