1 /* 2 * Copyright 2017 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 __RGA_IM2D_SYNC_H__ 18 #define __RGA_IM2D_SYNC_H__ 19 20 #include <stdint.h> 21 22 /* timeout in msecs */ 23 int rga_sync_wait(int fd, int timeout); 24 25 /** 26 * Merge two sync files. 27 * 28 * This produces a new sync file with the given name which has the union of the 29 * two original sync file's fences; redundant fences may be removed. 30 * 31 * If one of the input sync files is signaled or invalid, then this function 32 * may behave like dup(): the new file descriptor refers to the valid/unsignaled 33 * sync file with its original name, rather than a new sync file. 34 * 35 * The original fences remain valid, and the caller is responsible for closing 36 * them. 37 * 38 * Available since API level 26. 39 */ 40 int32_t rga_sync_merge(const char* name, int32_t fd1, int32_t fd2); 41 42 #endif 43