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authorErik Gilling2012-03-07 17:30:33 -0600
committerErik Gilling2012-04-18 15:36:17 -0500
commit196b3a5f6f48649500909c66177967abaf05b898 (patch)
tree0451a808b8172db8bfdc37afedc335e7cd71f66c /libsync/sync_test.c
parent545ab46063f083239b29e59b8b491656d93f2a38 (diff)
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sync: Add lib sync helper library
Used to talk to kernel synchronization framework Change-Id: I66e1f4a90f5d58d384bf1cec09db52101f182c5e Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'libsync/sync_test.c')
-rw-r--r--libsync/sync_test.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/libsync/sync_test.c b/libsync/sync_test.c
new file mode 100644
index 000000000..a75f6716b
--- /dev/null
+++ b/libsync/sync_test.c
@@ -0,0 +1,146 @@
1/*
2 * sync_test.c
3 *
4 * Copyright 2012 Google, Inc
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdio.h>
22#include <string.h>
23#include <unistd.h>
24
25#include <sync/sync.h>
26
27pthread_mutex_t printf_mutex = PTHREAD_MUTEX_INITIALIZER;
28
29struct sync_thread_data {
30 int thread_no;
31 int fd[2];
32};
33
34void *sync_thread(void *data)
35{
36 struct sync_thread_data *sync_data = data;
37 struct sync_fence_info_data *info;
38 int err;
39 int i;
40
41 for (i = 0; i < 2; i++) {
42 err = sync_wait(sync_data->fd[i], 10000);
43
44 pthread_mutex_lock(&printf_mutex);
45 if (err < 0) {
46 printf("thread %d wait %d failed: %s\n", sync_data->thread_no,
47 i, strerror(errno));
48 } else {
49 printf("thread %d wait %d done\n", sync_data->thread_no, i);
50 }
51 info = sync_fence_info(sync_data->fd[i]);
52 if (info) {
53 struct sync_pt_info *pt_info = NULL;
54 printf(" fence %s %d\n", info->name, info->status);
55
56 while ((pt_info = sync_pt_info(info, pt_info))) {
57 int ts_sec = pt_info->timestamp_ns / 1000000000LL;
58 int ts_usec = (pt_info->timestamp_ns % 1000000000LL) / 1000LL;
59 printf(" pt %s %s %d %d.%06d", pt_info->obj_name,
60 pt_info->driver_name, pt_info->status,
61 ts_sec, ts_usec);
62 if (!strcmp(pt_info->driver_name, "sw_sync"))
63 printf(" val=%d\n", *(uint32_t *)pt_info->driver_data);
64 else
65 printf("\n");
66 }
67 sync_fence_info_free(info);
68 }
69 pthread_mutex_unlock(&printf_mutex);
70 }
71
72 return NULL;
73}
74
75int main(int argc, char *argv[])
76{
77 struct sync_thread_data sync_data[4];
78 pthread_t threads[4];
79 int sync_timeline_fd;
80 int i, j;
81 char str[256];
82
83 sync_timeline_fd = sw_sync_timeline_create();
84 if (sync_timeline_fd < 0) {
85 perror("can't create sw_sync_timeline:");
86 return 1;
87 }
88
89 for (i = 0; i < 3; i++) {
90 sync_data[i].thread_no = i;
91
92 for (j = 0; j < 2; j++) {
93 unsigned val = i + j * 3 + 1;
94 sprintf(str, "test_fence%d-%d", i, j);
95 int fd = sw_sync_fence_create(sync_timeline_fd, str, val);
96 if (fd < 0) {
97 printf("can't create sync pt %d: %s", val, strerror(errno));
98 return 1;
99 }
100 sync_data[i].fd[j] = fd;
101 printf("sync_data[%d].fd[%d] = %d;\n", i, j, fd);
102
103 }
104 }
105
106 sync_data[3].thread_no = 3;
107 for (j = 0; j < 2; j++) {
108 sprintf(str, "merged_fence%d", j);
109 sync_data[3].fd[j] = sync_merge(str, sync_data[0].fd[j], sync_data[1].fd[j]);
110 if (sync_data[3].fd[j] < 0) {
111 printf("can't merge sync pts %d and %d: %s\n",
112 sync_data[0].fd[j], sync_data[1].fd[j], strerror(errno));
113 return 1;
114 }
115 }
116
117 for (i = 0; i < 4; i++)
118 pthread_create(&threads[i], NULL, sync_thread, &sync_data[i]);
119
120
121 for (i = 0; i < 3; i++) {
122 int err;
123 printf("press enter to inc to %d\n", i+1);
124 fgets(str, sizeof(str), stdin);
125 err = sw_sync_timeline_inc(sync_timeline_fd, 1);
126 if (err < 0) {
127 perror("can't increment sync obj:");
128 return 1;
129 }
130 }
131
132 printf("press enter to close sync_timeline\n");
133 fgets(str, sizeof(str), stdin);
134
135 close(sync_timeline_fd);
136
137 printf("press enter to end test\n");
138 fgets(str, sizeof(str), stdin);
139
140 for (i = 0; i < 3; i++) {
141 void *val;
142 pthread_join(threads[i], &val);
143 }
144
145 return 0;
146}