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 /* This file contains the legacy sync interface used by Android platform and 23 * device code. The direct contents will be removed over time as code 24 * transitions to using the updated interface in ndk/sync.h. When this file is 25 * empty other than the ndk/sync.h include, that file will be renamed to 26 * replace this one. 27 * 28 * New code should continue to include this file (#include <android/sync.h>) 29 * instead of ndk/sync.h so the eventual rename is seamless, but should only 30 * use the things declared in ndk/sync.h. 31 * 32 * This file used to be called sync/sync.h, but we renamed to that both the 33 * platform and NDK call it android/sync.h. A symlink from the old name to this 34 * one exists temporarily to avoid having to change all sync clients 35 * simultaneously. It will be removed when they've been updated, and probably 36 * after this change has been delivered to AOSP so that integrations don't 37 * break builds. 38 */ 39 40 #include "../ndk/sync.h" 41 42 __BEGIN_DECLS 43 44 struct sync_fence_info_data { 45 uint32_t len; 46 char name[32]; 47 int32_t status; 48 uint8_t pt_info[0]; 49 }; 50 51 struct sync_pt_info { 52 uint32_t len; 53 char obj_name[32]; 54 char driver_name[32]; 55 int32_t status; 56 uint64_t timestamp_ns; 57 uint8_t driver_data[0]; 58 }; 59 60 /* timeout in msecs */ 61 int sync_wait(int fd, int timeout); 62 struct sync_fence_info_data *sync_fence_info(int fd); 63 struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, 64 struct sync_pt_info *itr); 65 void sync_fence_info_free(struct sync_fence_info_data *info); 66 67 __END_DECLS 68 69 #endif /* __SYS_CORE_SYNC_H */ 70