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 }
92