File: sync_test.c

package info (click to toggle)
android-platform-system-core 21-6
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 5,624 kB
  • ctags: 11,983
  • sloc: ansic: 70,139; cpp: 14,766; asm: 1,774; sh: 875; yacc: 137; python: 131; makefile: 120; lex: 103; java: 79
file content (146 lines) | stat: -rw-r--r-- 4,285 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
 *  sync_test.c
 *
 *   Copyright 2012 Google, Inc
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include <sync/sync.h>

pthread_mutex_t printf_mutex = PTHREAD_MUTEX_INITIALIZER;

struct sync_thread_data {
    int thread_no;
    int fd[2];
};

void *sync_thread(void *data)
{
    struct sync_thread_data *sync_data = data;
    struct sync_fence_info_data *info;
    int err;
    int i;

    for (i = 0; i < 2; i++) {
        err = sync_wait(sync_data->fd[i], 10000);

        pthread_mutex_lock(&printf_mutex);
        if (err < 0) {
            printf("thread %d wait %d failed: %s\n", sync_data->thread_no,
                   i, strerror(errno));
        } else {
            printf("thread %d wait %d done\n", sync_data->thread_no, i);
        }
        info = sync_fence_info(sync_data->fd[i]);
        if (info) {
            struct sync_pt_info *pt_info = NULL;
            printf("  fence %s %d\n", info->name, info->status);

            while ((pt_info = sync_pt_info(info, pt_info))) {
                int ts_sec = pt_info->timestamp_ns / 1000000000LL;
                int ts_usec = (pt_info->timestamp_ns % 1000000000LL) / 1000LL;
                printf("    pt %s %s %d %d.%06d", pt_info->obj_name,
                       pt_info->driver_name, pt_info->status,
                       ts_sec, ts_usec);
                if (!strcmp(pt_info->driver_name, "sw_sync"))
                    printf(" val=%d\n", *(uint32_t *)pt_info->driver_data);
                else
                    printf("\n");
            }
            sync_fence_info_free(info);
        }
        pthread_mutex_unlock(&printf_mutex);
    }

    return NULL;
}

int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
{
    struct sync_thread_data sync_data[4];
    pthread_t threads[4];
    int sync_timeline_fd;
    int i, j;
    char str[256];

    sync_timeline_fd = sw_sync_timeline_create();
    if (sync_timeline_fd < 0) {
        perror("can't create sw_sync_timeline:");
        return 1;
    }

    for (i = 0; i < 3; i++) {
        sync_data[i].thread_no = i;

        for (j = 0; j < 2; j++) {
            unsigned val = i + j * 3 + 1;
            sprintf(str, "test_fence%d-%d", i, j);
            int fd = sw_sync_fence_create(sync_timeline_fd, str, val);
            if (fd < 0) {
                printf("can't create sync pt %d: %s", val, strerror(errno));
                return 1;
            }
            sync_data[i].fd[j] = fd;
            printf("sync_data[%d].fd[%d] = %d;\n", i, j, fd);

        }
    }

    sync_data[3].thread_no = 3;
    for (j = 0; j < 2; j++) {
        sprintf(str, "merged_fence%d", j);
        sync_data[3].fd[j] = sync_merge(str, sync_data[0].fd[j], sync_data[1].fd[j]);
        if (sync_data[3].fd[j] < 0) {
            printf("can't merge sync pts %d and %d: %s\n",
                   sync_data[0].fd[j], sync_data[1].fd[j], strerror(errno));
            return 1;
        }
    }

    for (i = 0; i < 4; i++)
        pthread_create(&threads[i], NULL, sync_thread, &sync_data[i]);


    for (i = 0; i < 3; i++) {
        int err;
        printf("press enter to inc to %d\n", i+1);
        fgets(str, sizeof(str), stdin);
        err = sw_sync_timeline_inc(sync_timeline_fd, 1);
        if (err < 0) {
            perror("can't increment sync obj:");
            return 1;
        }
    }

    printf("press enter to close sync_timeline\n");
    fgets(str, sizeof(str), stdin);

    close(sync_timeline_fd);

    printf("press enter to end test\n");
    fgets(str, sizeof(str), stdin);

    for (i = 0; i < 3; i++) {
        void *val;
        pthread_join(threads[i], &val);
    }

    return 0;
}