1 /* 2 * Copyright 2015 Rockchip Electronics Co. LTD 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 __MPP_EVENTFD_H__ 18 #define __MPP_EVENTFD_H__ 19 20 #include "rk_type.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 RK_S32 mpp_eventfd_get(RK_U32 init); 27 RK_S32 mpp_eventfd_put(RK_S32 fd); 28 29 RK_S32 mpp_eventfd_read(RK_S32 fd, RK_U64 *val, RK_S64 timeout); 30 RK_S32 mpp_eventfd_write(RK_S32 fd, RK_U64 val); 31 32 #ifdef __cplusplus 33 } 34 #endif 35 36 #endif /*__MPP_EVENTFD_H__*/ 37 38