linux/tools/testing/selftests/sync/sync_wait.c
Emilio López fdba7cffc3 selftest: sync: wait tests for sw_sync framework
These tests are based on the libsync test suite from Android.
This commit includes tests for waiting on fences.

Signed-off-by: Emilio López <emilio.lopez@collabora.co.uk>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2016-12-01 18:13:12 -07:00

92 lines
3.4 KiB
C

/*
* sync fence wait tests
* 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.
*/
#include "sync.h"
#include "sw_sync.h"
#include "synctest.h"
int test_fence_multi_timeline_wait(void)
{
int timelineA, timelineB, timelineC;
int fenceA, fenceB, fenceC, merged;
int valid, active, signaled, ret;
timelineA = sw_sync_timeline_create();
timelineB = sw_sync_timeline_create();
timelineC = sw_sync_timeline_create();
fenceA = sw_sync_fence_create(timelineA, "fenceA", 5);
fenceB = sw_sync_fence_create(timelineB, "fenceB", 5);
fenceC = sw_sync_fence_create(timelineC, "fenceC", 5);
merged = sync_merge("mergeFence", fenceB, fenceA);
merged = sync_merge("mergeFence", fenceC, merged);
valid = sw_sync_fence_is_valid(merged);
ASSERT(valid, "Failure merging fence from various timelines\n");
/* Confirm fence isn't signaled */
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
ASSERT(active == 3, "Fence signaled too early!\n");
ret = sync_wait(merged, 0);
ASSERT(ret == 0,
"Failure waiting on fence until timeout\n");
ret = sw_sync_timeline_inc(timelineA, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 2 && signaled == 1,
"Fence did not signal properly!\n");
ret = sw_sync_timeline_inc(timelineB, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 1 && signaled == 2,
"Fence did not signal properly!\n");
ret = sw_sync_timeline_inc(timelineC, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 0 && signaled == 3,
"Fence did not signal properly!\n");
/* confirm you can successfully wait */
ret = sync_wait(merged, 100);
ASSERT(ret > 0, "Failure waiting on signaled fence\n");
sw_sync_fence_destroy(merged);
sw_sync_fence_destroy(fenceC);
sw_sync_fence_destroy(fenceB);
sw_sync_fence_destroy(fenceA);
sw_sync_timeline_destroy(timelineC);
sw_sync_timeline_destroy(timelineB);
sw_sync_timeline_destroy(timelineA);
return 0;
}