sync.h (1594B)
1/* 2 * sync abstraction 3 * Copyright 2015-2016 Collabora Ltd. 4 * 5 * Based on the implementation from the Android Open Source Project, 6 * 7 * Copyright 2012 Google, Inc 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 25 * OTHER DEALINGS IN THE SOFTWARE. 26 */ 27 28#ifndef SELFTESTS_SYNC_H 29#define SELFTESTS_SYNC_H 30 31#define FENCE_STATUS_ERROR (-1) 32#define FENCE_STATUS_ACTIVE (0) 33#define FENCE_STATUS_SIGNALED (1) 34 35int sync_wait(int fd, int timeout); 36int sync_merge(const char *name, int fd1, int fd2); 37int sync_fence_size(int fd); 38int sync_fence_count_with_status(int fd, int status); 39 40#endif