148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/*
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* sync_test.c
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*
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* Copyright 2012 Google, Inc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <sync/sync.h>
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#include "sw_sync.h"
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pthread_mutex_t printf_mutex = PTHREAD_MUTEX_INITIALIZER;
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struct sync_thread_data {
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int thread_no;
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int fd[2];
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};
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void *sync_thread(void *data)
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{
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struct sync_thread_data *sync_data = data;
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struct sync_fence_info_data *info;
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int err;
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int i;
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for (i = 0; i < 2; i++) {
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err = sync_wait(sync_data->fd[i], 10000);
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pthread_mutex_lock(&printf_mutex);
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if (err < 0) {
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printf("thread %d wait %d failed: %s\n", sync_data->thread_no,
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i, strerror(errno));
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} else {
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printf("thread %d wait %d done\n", sync_data->thread_no, i);
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}
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info = sync_fence_info(sync_data->fd[i]);
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if (info) {
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struct sync_pt_info *pt_info = NULL;
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printf(" fence %s %d\n", info->name, info->status);
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while ((pt_info = sync_pt_info(info, pt_info))) {
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int ts_sec = pt_info->timestamp_ns / 1000000000LL;
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int ts_usec = (pt_info->timestamp_ns % 1000000000LL) / 1000LL;
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printf(" pt %s %s %d %d.%06d", pt_info->obj_name,
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pt_info->driver_name, pt_info->status,
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ts_sec, ts_usec);
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if (!strcmp(pt_info->driver_name, "sw_sync"))
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printf(" val=%d\n", *(uint32_t *)pt_info->driver_data);
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else
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printf("\n");
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}
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sync_fence_info_free(info);
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}
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pthread_mutex_unlock(&printf_mutex);
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}
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return NULL;
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}
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int main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
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{
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struct sync_thread_data sync_data[4];
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pthread_t threads[4];
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int sync_timeline_fd;
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int i, j;
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char str[256];
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sync_timeline_fd = sw_sync_timeline_create();
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if (sync_timeline_fd < 0) {
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perror("can't create sw_sync_timeline:");
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return 1;
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}
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for (i = 0; i < 3; i++) {
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sync_data[i].thread_no = i;
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for (j = 0; j < 2; j++) {
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unsigned val = i + j * 3 + 1;
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snprintf(str, sizeof(str), "test_fence%d-%d", i, j);
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int fd = sw_sync_fence_create(sync_timeline_fd, str, val);
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if (fd < 0) {
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printf("can't create sync pt %d: %s", val, strerror(errno));
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return 1;
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}
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sync_data[i].fd[j] = fd;
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printf("sync_data[%d].fd[%d] = %d;\n", i, j, fd);
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}
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}
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sync_data[3].thread_no = 3;
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for (j = 0; j < 2; j++) {
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snprintf(str, sizeof(str), "merged_fence%d", j);
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sync_data[3].fd[j] = sync_merge(str, sync_data[0].fd[j], sync_data[1].fd[j]);
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if (sync_data[3].fd[j] < 0) {
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printf("can't merge sync pts %d and %d: %s\n",
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sync_data[0].fd[j], sync_data[1].fd[j], strerror(errno));
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return 1;
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}
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}
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for (i = 0; i < 4; i++)
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pthread_create(&threads[i], NULL, sync_thread, &sync_data[i]);
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for (i = 0; i < 3; i++) {
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int err;
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printf("press enter to inc to %d\n", i+1);
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fgets(str, sizeof(str), stdin);
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err = sw_sync_timeline_inc(sync_timeline_fd, 1);
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if (err < 0) {
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perror("can't increment sync obj:");
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return 1;
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}
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}
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printf("press enter to close sync_timeline\n");
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fgets(str, sizeof(str), stdin);
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close(sync_timeline_fd);
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printf("press enter to end test\n");
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fgets(str, sizeof(str), stdin);
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for (i = 0; i < 3; i++) {
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void *val;
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pthread_join(threads[i], &val);
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}
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return 0;
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}
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