nuttx-apps/testing/testsuites/kernel/fs/cases/fs_readlink_test.c
guohao15 4ac3732734 testing/fdcheck: fix fd close in other thread
Fix file descriptor leak issue where fd was stored in test_state for deferred close, but could fail when CONFIG_FDCHECK is enabled because fd cannot be closed in a different thread.

Signed-off-by: guohao15 <guohao15@xiaomi.com>
2026-01-28 10:37:52 -03:00

96 lines
2.7 KiB
C

/****************************************************************************
* apps/testing/testsuites/kernel/fs/cases/fs_readlink_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 <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <syslog.h>
#include <stdint.h>
#include <stddef.h>
#include <setjmp.h>
#include <cmocka.h>
#include "fstest.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define TEST_FILE "readlink_test_file"
#define PATH_MAX_SIZE 64
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: test_nuttx_fs_readlink01
****************************************************************************/
void test_nuttx_fs_readlink01(FAR void **state)
{
int ret;
int fd;
/* test symlink */
char path[PATH_MAX_SIZE] =
{
0
};
char buf[PATH_MAX_SIZE] =
{
0
};
/* creat file */
fd = creat(TEST_FILE, 0700);
assert_true(fd > 0);
getcwd(path, sizeof(path));
strcat(path, "/");
strcat(path, TEST_FILE);
/* creating a soft connection */
ret = symlink(path, "/file_link");
assert_int_equal(ret, 0);
/* read link */
ret = readlink("/file_link", buf, PATH_MAX_SIZE);
assert_true(ret == strlen(path));
/* delete test file */
assert_int_equal(unlink("/file_link"), 0);
close(fd);
}