1 /* 2 * sync.h 3 * 4 * Copyright 2012 Google, Inc 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 #ifndef __SYS_CORE_SYNC_H 20 #define __SYS_CORE_SYNC_H 21 22 #include <linux/sync.h> 23 #include <linux/sw_sync.h> 24 25 __BEGIN_DECLS 26 27 /* timeout in msecs */ 28 int sync_wait(int fd, unsigned int timeout); 29 int sync_merge(const char *name, int fd1, int fd2); 30 struct sync_fence_info_data *sync_fence_info(int fd); 31 struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, 32 struct sync_pt_info *itr); 33 void sync_fence_info_free(struct sync_fence_info_data *info); 34 35 /* sw_sync is mainly inteded for testing and should not be complied into 36 * production kernels 37 */ 38 39 int sw_sync_timeline_create(void); 40 int sw_sync_timeline_inc(int fd, unsigned count); 41 int sw_sync_fence_create(int fd, const char *name, unsigned value); 42 43 __END_DECLS 44 45 #endif /* __SYS_CORE_SYNC_H */ 46