nuttx-apps/testing/testsuites/kernel/fs/cases/fs_eventfd_test.c
wangxingxing f2ba4883fa testing/fs:remove the usleep of evend_fd read to solve the questiong of sem wait
Remove unnecessary usleep(1000) in the read thread of eventfd test.
The eventfd read operation will block and wait for data naturally via semaphore, no additional delay is needed.

Signed-off-by: wangxingxing <wangxingxing@xiaomi.com>
2026-01-28 10:37:52 -03:00

96 lines
3.1 KiB
C

/****************************************************************************
* apps/testing/testsuites/kernel/fs/cases/fs_eventfd_test.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <syslog.h>
#include <pthread.h>
#include <stdint.h>
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include <sys/eventfd.h>
#include "fstest.h"
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: threadfunc
****************************************************************************/
__attribute__((unused)) static void *threadfunc(void *args)
{
eventfd_t eventfd01_buffer;
int fd = *(int *)args;
for (int i = 0; i < 5; i++)
{
read(fd, &eventfd01_buffer, sizeof(eventfd_t));
}
return 0;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: test_nuttx_fs_eventfd
****************************************************************************/
void test_nuttx_fs_eventfd(FAR void **state)
{
#ifdef CONFIG_EVENT_FD
eventfd_t eventfd01_buf = 1;
int eventfd01_ret;
int eventfd01_efd;
pthread_t eventfd01_tid;
eventfd01_efd = eventfd(0, 0);
assert_int_not_equal(eventfd01_efd, -1);
assert_true(pthread_create(&eventfd01_tid, NULL, threadfunc,
&eventfd01_efd) >= 0);
for (int i = 0; i < 5; i++)
{
eventfd01_ret =
write(eventfd01_efd, &eventfd01_buf, sizeof(eventfd_t));
assert_int_equal(eventfd01_ret, sizeof(eventfd_t));
eventfd01_buf++;
usleep(1000);
}
pthread_join(eventfd01_tid, NULL);
close(eventfd01_efd);
#endif
}