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 #include "sw_sync.h"
27
28 pthread_mutex_t printf_mutex = PTHREAD_MUTEX_INITIALIZER;
29
30 struct sync_thread_data {
31 int thread_no;
32 int fd[2];
33 };
34
sync_thread(void * data)35 void *sync_thread(void *data)
36 {
37 struct sync_thread_data *sync_data = data;
38 struct sync_fence_info_data *info;
39 int err;
40 int i;
41
42 for (i = 0; i < 2; i++) {
43 err = sync_wait(sync_data->fd[i], 10000);
44
45 pthread_mutex_lock(&printf_mutex);
46 if (err < 0) {
47 printf("thread %d wait %d failed: %s\n", sync_data->thread_no,
48 i, strerror(errno));
49 } else {
50 printf("thread %d wait %d done\n", sync_data->thread_no, i);
51 }
52 info = sync_fence_info(sync_data->fd[i]);
53 if (info) {
54 struct sync_pt_info *pt_info = NULL;
55 printf(" fence %s %d\n", info->name, info->status);
56
57 while ((pt_info = sync_pt_info(info, pt_info))) {
58 int ts_sec = pt_info->timestamp_ns / 1000000000LL;
59 int ts_usec = (pt_info->timestamp_ns % 1000000000LL) / 1000LL;
60 printf(" pt %s %s %d %d.%06d", pt_info->obj_name,
61 pt_info->driver_name, pt_info->status,
62 ts_sec, ts_usec);
63 if (!strcmp(pt_info->driver_name, "sw_sync"))
64 printf(" val=%d\n", *(uint32_t *)pt_info->driver_data);
65 else
66 printf("\n");
67 }
68 sync_fence_info_free(info);
69 }
70 pthread_mutex_unlock(&printf_mutex);
71 }
72
73 return NULL;
74 }
75
main(int argc,char * argv[])76 int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
77 {
78 struct sync_thread_data sync_data[4];
79 pthread_t threads[4];
80 int sync_timeline_fd;
81 int i, j;
82 char str[256];
83
84 sync_timeline_fd = sw_sync_timeline_create();
85 if (sync_timeline_fd < 0) {
86 perror("can't create sw_sync_timeline:");
87 return 1;
88 }
89
90 for (i = 0; i < 3; i++) {
91 sync_data[i].thread_no = i;
92
93 for (j = 0; j < 2; j++) {
94 unsigned val = i + j * 3 + 1;
95 sprintf(str, "test_fence%d-%d", i, j);
96 int fd = sw_sync_fence_create(sync_timeline_fd, str, val);
97 if (fd < 0) {
98 printf("can't create sync pt %d: %s", val, strerror(errno));
99 return 1;
100 }
101 sync_data[i].fd[j] = fd;
102 printf("sync_data[%d].fd[%d] = %d;\n", i, j, fd);
103
104 }
105 }
106
107 sync_data[3].thread_no = 3;
108 for (j = 0; j < 2; j++) {
109 sprintf(str, "merged_fence%d", j);
110 sync_data[3].fd[j] = sync_merge(str, sync_data[0].fd[j], sync_data[1].fd[j]);
111 if (sync_data[3].fd[j] < 0) {
112 printf("can't merge sync pts %d and %d: %s\n",
113 sync_data[0].fd[j], sync_data[1].fd[j], strerror(errno));
114 return 1;
115 }
116 }
117
118 for (i = 0; i < 4; i++)
119 pthread_create(&threads[i], NULL, sync_thread, &sync_data[i]);
120
121
122 for (i = 0; i < 3; i++) {
123 int err;
124 printf("press enter to inc to %d\n", i+1);
125 fgets(str, sizeof(str), stdin);
126 err = sw_sync_timeline_inc(sync_timeline_fd, 1);
127 if (err < 0) {
128 perror("can't increment sync obj:");
129 return 1;
130 }
131 }
132
133 printf("press enter to close sync_timeline\n");
134 fgets(str, sizeof(str), stdin);
135
136 close(sync_timeline_fd);
137
138 printf("press enter to end test\n");
139 fgets(str, sizeof(str), stdin);
140
141 for (i = 0; i < 3; i++) {
142 void *val;
143 pthread_join(threads[i], &val);
144 }
145
146 return 0;
147 }
148