LXR linux/tools/testing/selftests/sync/sync.h

   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
  41