1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *    http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef HKS_CONDITION_H
17 #define HKS_CONDITION_H
18 
19 #include <stdint.h>
20 
21 // One-time condition struct, you CAN NOT reset it after notify or notify-all,
22 // you can only create a new one.
23 typedef struct HksCondition HksCondition;
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
29 HksCondition *HksConditionCreate(void);
30 
31 int32_t HksConditionWait(HksCondition *condition);
32 
33 int32_t HksConditionNotify(HksCondition *condition);
34 
35 int32_t HksConditionNotifyAll(HksCondition *condition);
36 
37 void HksConditionDestroy(HksCondition* condition);
38 
39 #ifdef __cplusplus
40 }
41 #endif
42 #endif
43