110 lines
2.1 KiB
C
110 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Xing Gu <gux.fnst@cn.fujitsu.com>
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*/
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/*
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* Description:
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* Verify that,
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* 1) vmsplice() returns -1 and sets errno to EBADF if fd
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* is not valid.
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* 2) vmsplice() returns -1 and sets errno to EBADF if fd
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* doesn't refer to a pipe.
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* 3) vmsplice() returns -1 and sets errno to EINVAL if
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* nr_segs is greater than IOV_MAX.
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*/
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#define _GNU_SOURCE
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/uio.h>
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#include <limits.h>
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#include "lapi/fcntl.h"
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#include "lapi/vmsplice.h"
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#define TESTFILE "testfile"
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#define TEST_BLOCK_SIZE 128
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static char buffer[TEST_BLOCK_SIZE];
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static int notvalidfd = -1;
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static int filefd;
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static int pipes[2];
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static struct iovec ivc;
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static struct tcase {
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int *fd;
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const struct iovec *iov;
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unsigned long nr_segs;
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int exp_errno;
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} tcases[] = {
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{ ¬validfd, &ivc, 1, EBADF },
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{ &filefd, &ivc, 1, EBADF },
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{ &pipes[1], &ivc, IOV_MAX + 1, EINVAL },
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};
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static void setup(void)
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{
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filefd = SAFE_OPEN(TESTFILE, O_WRONLY | O_CREAT, 0644);
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SAFE_PIPE(pipes);
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ivc.iov_base = buffer;
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ivc.iov_len = TEST_BLOCK_SIZE;
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}
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static void vmsplice_verify(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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TEST(vmsplice(*(tc->fd), tc->iov, tc->nr_segs, 0));
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if (TST_RET != -1) {
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tst_res(TFAIL, "vmsplice() returned %ld, "
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"expected -1, errno:%d", TST_RET,
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tc->exp_errno);
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return;
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}
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if (TST_ERR != tc->exp_errno) {
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tst_res(TFAIL | TTERRNO,
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"vmsplice() failed unexpectedly; expected: %d - %s",
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tc->exp_errno, tst_strerrno(tc->exp_errno));
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return;
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}
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tst_res(TPASS | TTERRNO, "vmsplice() failed as expected");
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}
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static void cleanup(void)
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{
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if (filefd > 0)
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SAFE_CLOSE(filefd);
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if (pipes[0] > 0)
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SAFE_CLOSE(pipes[0]);
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if (pipes[1] > 0)
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SAFE_CLOSE(pipes[1]);
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}
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static struct tst_test test = {
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.setup = setup,
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.cleanup = cleanup,
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.test = vmsplice_verify,
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.tcnt = ARRAY_SIZE(tcases),
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.needs_tmpdir = 1,
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.skip_filesystems = (const char *const []) {
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"nfs",
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NULL
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},
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.min_kver = "2.6.17",
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};
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