1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_RS_SIGNAL_H
18#define ANDROID_RS_SIGNAL_H
19
20
21#include "rsUtils.h"
22
23namespace android {
24namespace renderscript {
25
26class Signal {
27public:
28    Signal();
29    ~Signal();
30
31    bool init();
32
33    void set();
34
35    // returns true if the signal occured
36    // false for timeout
37    bool wait(uint64_t timeout = 0);
38
39protected:
40    bool mSet;
41    pthread_mutex_t mMutex;
42    pthread_cond_t mCondition;
43};
44
45}
46}
47
48#endif
49
50