text: /*
   *  sync abstraction
   *  Copyright 2015-2016 Collabora Ltd.
   *
   *  Based on the implementation from the Android Open Source Project,
   *
   *  Copyright 2012 Google, Inc
   *
   *  Permission is hereby granted, free of charge, to any person obtaining a
   *  copy of this software and associated documentation files (the "Software"),
   *  to deal in the Software without restriction, including without limitation
   *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
   *  and/or sell copies of the Software, and to permit persons to whom the
   *  Software is furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
   *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
   *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
   *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   *  OTHER DEALINGS IN THE SOFTWARE.
   */
  
  #ifndef SELFTESTS_SYNC_H
  #define SELFTESTS_SYNC_H
  
  #define FENCE_STATUS_ERROR	(-1)
  #define FENCE_STATUS_ACTIVE	(0)
  #define FENCE_STATUS_SIGNALED	(1)
  
  int sync_wait(int fd, int timeout);
  int sync_merge(const char *name, int fd1, int fd2);
  int sync_fence_size(int fd);
  int sync_fence_count_with_status(int fd, int status);
  
  #endif
  