87 lines
1.8 KiB
C
87 lines
1.8 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* Copyright (C) 2012 Linux Test Project, Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*\
|
||
|
|
* [Description]
|
||
|
|
*
|
||
|
|
* Verify that readahead() syscall fails with:
|
||
|
|
*
|
||
|
|
* - EBADF when fd is not a valid file descriptor or is not open for reading.
|
||
|
|
* - EINVAL when fd does not refer to a file type to which readahead()
|
||
|
|
* can be applied.
|
||
|
|
*/
|
||
|
|
#define _GNU_SOURCE
|
||
|
|
#include <errno.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <sys/stat.h>
|
||
|
|
#include <sys/syscall.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include "config.h"
|
||
|
|
#include "tst_test.h"
|
||
|
|
#include "lapi/syscalls.h"
|
||
|
|
|
||
|
|
#if defined(__NR_readahead)
|
||
|
|
|
||
|
|
static void test_bad_fd(void)
|
||
|
|
{
|
||
|
|
char tempname[PATH_MAX] = "readahead01_XXXXXX";
|
||
|
|
int fd;
|
||
|
|
|
||
|
|
tst_res(TINFO, "%s -1", __func__);
|
||
|
|
TST_EXP_FAIL(readahead(-1, 0, getpagesize()), EBADF);
|
||
|
|
|
||
|
|
tst_res(TINFO, "%s O_WRONLY", __func__);
|
||
|
|
fd = mkstemp(tempname);
|
||
|
|
if (fd == -1)
|
||
|
|
tst_res(TFAIL | TERRNO, "mkstemp failed");
|
||
|
|
SAFE_CLOSE(fd);
|
||
|
|
fd = SAFE_OPEN(tempname, O_WRONLY);
|
||
|
|
TST_EXP_FAIL(readahead(fd, 0, getpagesize()), EBADF);
|
||
|
|
SAFE_CLOSE(fd);
|
||
|
|
unlink(tempname);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void test_invalid_fd(void)
|
||
|
|
{
|
||
|
|
int fd[2];
|
||
|
|
|
||
|
|
tst_res(TINFO, "%s pipe", __func__);
|
||
|
|
SAFE_PIPE(fd);
|
||
|
|
TST_EXP_FAIL(readahead(fd[0], 0, getpagesize()), EINVAL);
|
||
|
|
SAFE_CLOSE(fd[0]);
|
||
|
|
SAFE_CLOSE(fd[1]);
|
||
|
|
|
||
|
|
tst_res(TINFO, "%s socket", __func__);
|
||
|
|
fd[0] = SAFE_SOCKET(AF_INET, SOCK_STREAM, 0);
|
||
|
|
TST_EXP_FAIL(readahead(fd[0], 0, getpagesize()), EINVAL);
|
||
|
|
SAFE_CLOSE(fd[0]);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void test_readahead(void)
|
||
|
|
{
|
||
|
|
test_bad_fd();
|
||
|
|
test_invalid_fd();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void setup(void)
|
||
|
|
{
|
||
|
|
/* check if readahead syscall is supported */
|
||
|
|
tst_syscall(__NR_readahead, 0, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct tst_test test = {
|
||
|
|
.needs_tmpdir = 1,
|
||
|
|
.setup = setup,
|
||
|
|
.test_all = test_readahead,
|
||
|
|
};
|
||
|
|
|
||
|
|
#else /* __NR_readahead */
|
||
|
|
TST_TEST_TCONF("System doesn't support __NR_readahead");
|
||
|
|
#endif
|