cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sync_merge.c (2195B)

      1/*
      2 *  sync fence merge 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
     32int test_fence_merge_same_fence(void)
     33{
     34	int fence, valid, merged;
     35	int timeline = sw_sync_timeline_create();
     36
     37	valid = sw_sync_timeline_is_valid(timeline);
     38	ASSERT(valid, "Failure allocating timeline\n");
     39
     40	fence = sw_sync_fence_create(timeline, "allocFence", 5);
     41	valid = sw_sync_fence_is_valid(fence);
     42	ASSERT(valid, "Failure allocating fence\n");
     43
     44	merged = sync_merge("mergeFence", fence, fence);
     45	valid = sw_sync_fence_is_valid(fence);
     46	ASSERT(valid, "Failure merging fence\n");
     47
     48	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 0,
     49	       "fence signaled too early!\n");
     50
     51	sw_sync_timeline_inc(timeline, 5);
     52	ASSERT(sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED) == 1,
     53	       "fence did not signal!\n");
     54
     55	sw_sync_fence_destroy(merged);
     56	sw_sync_fence_destroy(fence);
     57	sw_sync_timeline_destroy(timeline);
     58
     59	return 0;
     60}