selftests/sync/sync.h

0001 /*
0002  *  sync abstraction
0003  *  Copyright 2015-2016 Collabora Ltd.
0004  *
0005  *  Based on the implementation from the Android Open Source Project,
0006  *
0007  *  Copyright 2012 Google, Inc
0008  *
0009  *  Permission is hereby granted, free of charge, to any person obtaining a
0010  *  copy of this software and associated documentation files (the "Software"),
0011  *  to deal in the Software without restriction, including without limitation
0012  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
0013  *  and/or sell copies of the Software, and to permit persons to whom the
0014  *  Software is furnished to do so, subject to the following conditions:
0015  *
0016  *  The above copyright notice and this permission notice shall be included in
0017  *  all copies or substantial portions of the Software.
0018  *
0019  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0020  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0021  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
0022  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
0023  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
0024  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0025  *  OTHER DEALINGS IN THE SOFTWARE.
0026  */
0027
0028 #ifndef SELFTESTS_SYNC_H
0029 #define SELFTESTS_SYNC_H
0030
0031 #define FENCE_STATUS_ERROR  (-1)
0032 #define FENCE_STATUS_ACTIVE (0)
0033 #define FENCE_STATUS_SIGNALED   (1)
0034
0035 int sync_wait(int fd, int timeout);
0036 int sync_merge(const char *name, int fd1, int fd2);
0037 int sync_fence_size(int fd);
0038 int sync_fence_count_with_status(int fd, int status);
0039
0040 #endif