tools/testing/selftests/sync/sw_sync.h

   1 /*
   2  *  sw_sync abstraction
   3  *
   4  *  Copyright 2015-2016 Collabora Ltd.
   5  *
   6  *  Based on the implementation from the Android Open Source Project,
   7  *
   8  *  Copyright 2013 Google, Inc
   9  *
  10  *  Permission is hereby granted, free of charge, to any person obtaining a
  11  *  copy of this software and associated documentation files (the "Software"),
  12  *  to deal in the Software without restriction, including without limitation
  13  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
  14  *  and/or sell copies of the Software, and to permit persons to whom the
  15  *  Software is furnished to do so, subject to the following conditions:
  16  *
  17  *  The above copyright notice and this permission notice shall be included in
  18  *  all copies or substantial portions of the Software.
  19  *
  20  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  23  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  24  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  25  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  26  *  OTHER DEALINGS IN THE SOFTWARE.
  27  */
  28
  29 #ifndef SELFTESTS_SW_SYNC_H
  30 #define SELFTESTS_SW_SYNC_H
  31
  32 /*
  33  * sw_sync is mainly intended for testing and should not be compiled into
  34  * production kernels
  35  */
  36
  37 int sw_sync_timeline_create(void);
  38 int sw_sync_timeline_is_valid(int fd);
  39 int sw_sync_timeline_inc(int fd, unsigned int count);
  40 void sw_sync_timeline_destroy(int fd);
  41
  42 int sw_sync_fence_create(int fd, const char *name, unsigned int value);
  43 int sw_sync_fence_is_valid(int fd);
  44 void sw_sync_fence_destroy(int fd);
  45
  46 #endif