1 /*
2  * Copyright (c) 2021 Rockchip Electronics 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 __MPP_EVENTFD_H__
17 #define __MPP_EVENTFD_H__
18 
19 #include "rk_type.h"
20 
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24 
25 RK_S32 mpp_eventfd_get(RK_U32 init);
26 RK_S32 mpp_eventfd_put(RK_S32 fd);
27 
28 RK_S32 mpp_eventfd_read(RK_S32 fd, RK_U64 *val, RK_S64 timeout);
29 RK_S32 mpp_eventfd_write(RK_S32 fd, RK_U64 val);
30 
31 #ifdef __cplusplus
32 }
33 #endif
34 
35 #endif /* __MPP_EVENTFD_H__ */
36 
37