root/tools/testing/selftests/sync/sync_wait.c

DEFINITIONS

1. test_fence_multi_timeline_wait

   1 /*
   2  *  sync fence wait tests
   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 #include "sync.h"
  29 #include "sw_sync.h"
  30 #include "synctest.h"
  31 
  32 int test_fence_multi_timeline_wait(void)
  33 {
  34         int timelineA, timelineB, timelineC;
  35         int fenceA, fenceB, fenceC, merged;
  36         int valid, active, signaled, ret;
  37 
  38         timelineA = sw_sync_timeline_create();
  39         timelineB = sw_sync_timeline_create();
  40         timelineC = sw_sync_timeline_create();
  41 
  42         fenceA = sw_sync_fence_create(timelineA, "fenceA", 5);
  43         fenceB = sw_sync_fence_create(timelineB, "fenceB", 5);
  44         fenceC = sw_sync_fence_create(timelineC, "fenceC", 5);
  45 
  46         merged = sync_merge("mergeFence", fenceB, fenceA);
  47         merged = sync_merge("mergeFence", fenceC, merged);
  48 
  49         valid = sw_sync_fence_is_valid(merged);
  50         ASSERT(valid, "Failure merging fence from various timelines\n");
  51 
  52         /* Confirm fence isn't signaled */
  53         active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
  54         ASSERT(active == 3, "Fence signaled too early!\n");
  55 
  56         ret = sync_wait(merged, 0);
  57         ASSERT(ret == 0,
  58                "Failure waiting on fence until timeout\n");
  59 
  60         ret = sw_sync_timeline_inc(timelineA, 5);
  61         active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
  62         signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
  63         ASSERT(active == 2 && signaled == 1,
  64                "Fence did not signal properly!\n");
  65 
  66         ret = sw_sync_timeline_inc(timelineB, 5);
  67         active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
  68         signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
  69         ASSERT(active == 1 && signaled == 2,
  70                "Fence did not signal properly!\n");
  71 
  72         ret = sw_sync_timeline_inc(timelineC, 5);
  73         active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
  74         signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
  75         ASSERT(active == 0 && signaled == 3,
  76                "Fence did not signal properly!\n");
  77 
  78         /* confirm you can successfully wait */
  79         ret = sync_wait(merged, 100);
  80         ASSERT(ret > 0, "Failure waiting on signaled fence\n");
  81 
  82         sw_sync_fence_destroy(merged);
  83         sw_sync_fence_destroy(fenceC);
  84         sw_sync_fence_destroy(fenceB);
  85         sw_sync_fence_destroy(fenceA);
  86         sw_sync_timeline_destroy(timelineC);
  87         sw_sync_timeline_destroy(timelineB);
  88         sw_sync_timeline_destroy(timelineA);
  89 
  90         return 0;
  91 }