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/* $NetBSD: t_mountd.c,v 1.5 2012/02/24 13:53:46 joerg Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
*
* 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 AUTHOR ``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 AUTHOR 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/types.h>
#include <sys/mount.h>
#include <atf-c.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include <rump/rump.h>
#include <rump/rump_syscalls.h>
#include "../../h_macros.h"
#include "../common/h_fsmacros.h"
ATF_TC(mountdhup);
ATF_TC_HEAD(mountdhup, tc)
{
atf_tc_set_md_var(tc, "descr", "test for service interrupt while "
"mountd handles SIGHUP");
}
static volatile int quit;
static void *
wrkwrkwrk(void *unused)
{
int fd, fail;
fail = 0;
rump_sys_chdir(FSTEST_MNTNAME);
while (!quit) {
fd = rump_sys_open("file", O_RDWR | O_CREAT);
if (fd == -1) {
if (errno == EACCES) {
fail++;
break;
}
}
rump_sys_close(fd);
if (rump_sys_unlink("file") == -1) {
if (errno == EACCES) {
fail++;
break;
}
}
}
rump_sys_chdir("/");
quit = 1;
return fail ? wrkwrkwrk : NULL;
}
ATF_TC_BODY(mountdhup, tc)
{
pthread_t pt;
struct nfstestargs *nfsargs;
void *voidargs;
int attempts;
void *fail;
FSTEST_CONSTRUCTOR(tc, nfs, voidargs);
nfsargs = voidargs;
pthread_create(&pt, NULL, wrkwrkwrk, NULL);
for (attempts = 100; attempts && !quit; attempts--) {
usleep(100000);
kill(nfsargs->ta_childpid, SIGHUP);
}
quit = 1;
pthread_join(pt, &fail);
FSTEST_DESTRUCTOR(tc, nfs, voidargs);
atf_tc_expect_fail("PR kern/5844");
if (fail)
atf_tc_fail("op failed with EACCES");
else
atf_tc_fail("race did not trigger this time");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, mountdhup);
return atf_no_error();
}
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