| /* |
| * sync.h |
| * |
| * Copyright 2012 Google, Inc |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef __SYS_CORE_SYNC_H |
| #define __SYS_CORE_SYNC_H |
| |
| #include <sys/cdefs.h> |
| #include <stdint.h> |
| |
| __BEGIN_DECLS |
| |
| // XXX: These structs are copied from the header "linux/sync.h". |
| struct sync_fence_info_data { |
| uint32_t len; |
| char name[32]; |
| int32_t status; |
| uint8_t pt_info[0]; |
| }; |
| |
| struct sync_pt_info { |
| uint32_t len; |
| char obj_name[32]; |
| char driver_name[32]; |
| int32_t status; |
| uint64_t timestamp_ns; |
| uint8_t driver_data[0]; |
| }; |
| |
| /* timeout in msecs */ |
| int sync_wait(int fd, unsigned int timeout); |
| int sync_merge(const char *name, int fd1, int fd2); |
| struct sync_fence_info_data *sync_fence_info(int fd); |
| struct sync_pt_info *sync_pt_info(struct sync_fence_info_data *info, |
| struct sync_pt_info *itr); |
| void sync_fence_info_free(struct sync_fence_info_data *info); |
| |
| /* sw_sync is mainly inteded for testing and should not be complied into |
| * production kernels |
| */ |
| |
| int sw_sync_timeline_create(void); |
| int sw_sync_timeline_inc(int fd, unsigned count); |
| int sw_sync_fence_create(int fd, const char *name, unsigned value); |
| |
| __END_DECLS |
| |
| #endif /* __SYS_CORE_SYNC_H */ |