1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright 2017 The Android Open Source Project 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Licensed under the Apache License, Version 2.0 (the "License"); 5*4882a593Smuzhiyun * you may not use this file except in compliance with the License. 6*4882a593Smuzhiyun * You may obtain a copy of the License at 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * http://www.apache.org/licenses/LICENSE-2.0 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Unless required by applicable law or agreed to in writing, software 11*4882a593Smuzhiyun * distributed under the License is distributed on an "AS IS" BASIS, 12*4882a593Smuzhiyun * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*4882a593Smuzhiyun * See the License for the specific language governing permissions and 14*4882a593Smuzhiyun * limitations under the License. 15*4882a593Smuzhiyun */ 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifndef __RGA_IM2D_SYNC_H__ 18*4882a593Smuzhiyun #define __RGA_IM2D_SYNC_H__ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #include <stdint.h> 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* timeout in msecs */ 23*4882a593Smuzhiyun int rga_sync_wait(int fd, int timeout); 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /** 26*4882a593Smuzhiyun * Merge two sync files. 27*4882a593Smuzhiyun * 28*4882a593Smuzhiyun * This produces a new sync file with the given name which has the union of the 29*4882a593Smuzhiyun * two original sync file's fences; redundant fences may be removed. 30*4882a593Smuzhiyun * 31*4882a593Smuzhiyun * If one of the input sync files is signaled or invalid, then this function 32*4882a593Smuzhiyun * may behave like dup(): the new file descriptor refers to the valid/unsignaled 33*4882a593Smuzhiyun * sync file with its original name, rather than a new sync file. 34*4882a593Smuzhiyun * 35*4882a593Smuzhiyun * The original fences remain valid, and the caller is responsible for closing 36*4882a593Smuzhiyun * them. 37*4882a593Smuzhiyun * 38*4882a593Smuzhiyun * Available since API level 26. 39*4882a593Smuzhiyun */ 40*4882a593Smuzhiyun int32_t rga_sync_merge(const char* name, int32_t fd1, int32_t fd2); 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #endif 43