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📄 t_access.c(5.03 KB)
📄 t_bind.c(2.37 KB)
📄 t_chroot.c(6.75 KB)
📄 t_clock_gettime.c(6.4 KB)
📄 t_clock_nanosleep.c(2.38 KB)
📄 t_clone.c(5.97 KB)
📄 t_connect.c(3.88 KB)
📄 t_dup.c(8.19 KB)
📄 t_fsync.c(3.05 KB)
📄 t_getcontext.c(4.02 KB)
📄 t_getgroups.c(4.17 KB)
📄 t_getitimer.c(5.41 KB)
📄 t_getlogin.c(5.03 KB)
📄 t_getpid.c(3.13 KB)
📄 t_getrusage.c(4.92 KB)
📄 t_getsid.c(2.96 KB)
📄 t_getsockname.c(2.56 KB)
📄 t_gettimeofday.c(2.64 KB)
📄 t_issetugid.c(3.73 KB)
📄 t_kevent.c(5.15 KB)
📄 t_kill.c(6.3 KB)
📄 t_link.c(5.49 KB)
📄 t_listen.c(3.84 KB)
📄 t_lwp_create.c(7.14 KB)
📄 t_lwp_ctl.c(2.34 KB)
📄 t_mincore.c(9.69 KB)
📄 t_minherit.c(4.68 KB)
📄 t_mkdir.c(5.12 KB)
📄 t_mkfifo.c(5.8 KB)
📄 t_mknod.c(4.95 KB)
📄 t_mlock.c(10.41 KB)
📄 t_mmap.c(14.12 KB)
📄 t_mprotect.c(8.41 KB)
📄 t_msgctl.c(8.06 KB)
📄 t_msgget.c(6.71 KB)
📄 t_msgrcv.c(7.68 KB)
📄 t_msgsnd.c(7.64 KB)
📄 t_msync.c(5.11 KB)
📄 t_nanosleep.c(6.24 KB)
📄 t_pipe.c(4.37 KB)
📄 t_pipe2.c(5.45 KB)
📄 t_poll.c(9.35 KB)
📄 t_posix_fadvise.c(5.82 KB)
📄 t_posix_fallocate.c(2.3 KB)
📄 t_recvmmsg.c(4.88 KB)
📄 t_revoke.c(4.55 KB)
📄 t_select.c(4.88 KB)
📄 t_setrlimit.c(11.54 KB)
📄 t_setuid.c(3.08 KB)
📄 t_sigaction.c(3.91 KB)
📄 t_sigqueue.c(6.02 KB)
📄 t_sigtimedwait.c(3.57 KB)
📄 t_socketpair.c(5.18 KB)
📄 t_stat.c(9.39 KB)
📄 t_swapcontext.c(3.44 KB)
📄 t_timer_create.c(7.47 KB)
📄 t_truncate.c(4.51 KB)
📄 t_ucontext.c(2.17 KB)
📄 t_umask.c(4.18 KB)
📄 t_unlink.c(3.95 KB)
📄 t_wait.c(8.99 KB)
📄 t_wait_noproc.c(7.43 KB)
📄 t_wait_noproc_wnohang.c(1.49 KB)
📄 t_write.c(5.22 KB)

Editing: t_msync.c

/* $NetBSD: t_msync.c,v 1.3 2017/01/14 20:52:42 christos Exp $ */

/*-
 * Copyright (c) 2011 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jukka Ruohonen.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_msync.c,v 1.3 2017/01/14 20:52:42 christos Exp $");

#include <sys/mman.h>

#include <atf-c.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

static long		page = 0;
static const off_t	off = 512;
static const char	path[] = "msync";

static const char	*msync_sync(const char *, int);

static const char *
msync_sync(const char *garbage, int flags)
{
	char *buf, *map = MAP_FAILED;
	const char *str = NULL;
	size_t len;
	int fd, rv;

/*
	 * Create a temporary file, write
	 * one page to it, and map the file.
	 */
	buf = malloc(page);

if (buf == NULL)
		return NULL;

memset(buf, 'x', page);

fd = open(path, O_RDWR | O_CREAT, 0700);

if (fd < 0) {
		free(buf);
		return "failed to open";
	}

ATF_REQUIRE_MSG(write(fd, buf, page) != -1, "write(2) failed: %s",
	    strerror(errno));

map = mmap(NULL, page, PROT_READ | PROT_WRITE, MAP_FILE|MAP_PRIVATE,
	     fd, 0);

if (map == MAP_FAILED) {
		str = "failed to map";
		goto out;
	}

/*
	 * Seek to an arbitrary offset and
	 * write garbage to this position.
	 */
	if (lseek(fd, off, SEEK_SET) != off) {
		str = "failed to seek";
		goto out;
	}

len = strlen(garbage);
	rv = write(fd, garbage, len);

if (rv != (ssize_t)len) {
		str = "failed to write garbage";
		goto out;
	}

/*
	 * Synchronize the mapping and verify
	 * that garbage is at the given offset.
	 */
	if (msync(map, page, flags) != 0) {
		str = "failed to msync";
		goto out;
	}

if (memcmp(map + off, garbage, len) != 0) {
		str = "msync did not synchronize";
		goto out;
	}

out:
	free(buf);

(void)close(fd);
	(void)unlink(path);

if (map != MAP_FAILED)
		(void)munmap(map, page);

return str;
}

ATF_TC(msync_async);
ATF_TC_HEAD(msync_async, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test of msync(2), MS_ASYNC");
}

ATF_TC_BODY(msync_async, tc)
{
	const char *str;

str = msync_sync("garbage", MS_ASYNC);

if (str != NULL)
		atf_tc_fail("%s", str);
}

ATF_TC(msync_err);
ATF_TC_HEAD(msync_err, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test error conditions in msync(2)");
}

ATF_TC_BODY(msync_err, tc)
{

char *map = MAP_FAILED;

/*
	 * Test that invalid flags error out.
	 */
#ifdef __FreeBSD__
	errno = 0;
	ATF_REQUIRE_ERRNO(EINVAL, msync_sync("error", -1) != NULL);
	errno = 0;
	ATF_REQUIRE_ERRNO(EINVAL, msync_sync("error", INT_MAX) != NULL);
#else
	ATF_REQUIRE(msync_sync("error", -1) != NULL);
	ATF_REQUIRE(msync_sync("error", INT_MAX) != NULL);
#endif

errno = 0;

/*
	 * Map a page and then unmap to get an unmapped address.
	 */
	map = mmap(NULL, page, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE,
	    -1, 0);
	ATF_REQUIRE(map != MAP_FAILED);

(void)munmap(map, page);

ATF_REQUIRE(msync(map, page, MS_SYNC) != 0);
#ifdef __FreeBSD__
	ATF_REQUIRE(errno == ENOMEM);
#else
	ATF_REQUIRE(errno == EFAULT);
#endif
}

ATF_TC(msync_invalidate);
ATF_TC_HEAD(msync_invalidate, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test of msync(2), MS_INVALIDATE");
}

ATF_TC_BODY(msync_invalidate, tc)
{
	const char *str;

str = msync_sync("garbage", MS_INVALIDATE);

if (str != NULL)
		atf_tc_fail("%s", str);
}

ATF_TC(msync_sync);
ATF_TC_HEAD(msync_sync, tc)
{
	atf_tc_set_md_var(tc, "descr", "Test of msync(2), MS_SYNC");
}

ATF_TC_BODY(msync_sync, tc)
{
	const char *str;

str = msync_sync("garbage", MS_SYNC);

if (str != NULL)
		atf_tc_fail("%s", str);
}

ATF_TP_ADD_TCS(tp)
{

page = sysconf(_SC_PAGESIZE);

ATF_REQUIRE(page >= 0);
	ATF_REQUIRE(page > off);

ATF_TP_ADD_TC(tp, msync_async);
	ATF_TP_ADD_TC(tp, msync_err);
	ATF_TP_ADD_TC(tp, msync_invalidate);
	ATF_TP_ADD_TC(tp, msync_sync);

return atf_no_error();
}

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Editing: t_msync.c

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