blob: 8d64f3f5cb990cb792840d1795ea04783e2a8141 (
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
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) Texas Instruments - http://www.ti.com/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <utils/Errors.h>
#include <semaphore.h>
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "Status.h"
namespace Ti {
namespace Utils {
class Semaphore
{
public:
Semaphore();
~Semaphore();
//Release semaphore
status_t Release();
///Create the semaphore with initial count value
status_t Create(int count=0);
///Wait operation
status_t Wait();
///Signal operation
status_t Signal();
///Current semaphore count
int Count();
///Wait operation with a timeout
status_t WaitTimeout(int timeoutMicroSecs);
private:
sem_t *mSemaphore;
};
} // namespace Utils
} // namespace Ti
|
