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 <sys/cdefs.h> 23 #include <stdint.h> 24 25 __BEGIN_DECLS 26 27 // XXX: These structs are copied from the header "linux/sync.h". 28 struct sync_fence_info_data { 29 uint32_t len; 30 char name[32]; 31 int32_t status; 32 uint8_t pt_info[0]; 33 }; 34 35 struct sync_pt_info { 36 uint32_t len; 37 char obj_name[32]; 38 char driver_name[32]; 39 int32_t status; 40 uint64_t timestamp_ns; 41 uint8_t driver_data[0]; 42 }; 43 44 /* timeout in msecs */ 45 int sync_wait(int fd, int timeout); 46 int sync_merge(const char *name, int fd1, int fd2); 47 struct sync_fence_info_data *sync_fence_info(int fd); 48 struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, 49 struct sync_pt_info *itr); 50 void sync_fence_info_free(struct sync_fence_info_data *info); 51 52 __END_DECLS 53 54 #endif /* __SYS_CORE_SYNC_H */ 55