122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
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/* $NetBSD: t_mountd.c,v 1.5 2012/02/24 13:53:46 joerg Exp $ */
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/*-
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* Copyright (c) 2010 The NetBSD Foundation, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <atf-c.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <signal.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include "../../h_macros.h"
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#include "../common/h_fsmacros.h"
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ATF_TC(mountdhup);
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ATF_TC_HEAD(mountdhup, tc)
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{
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atf_tc_set_md_var(tc, "descr", "test for service interrupt while "
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"mountd handles SIGHUP");
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}
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static volatile int quit;
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static void *
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wrkwrkwrk(void *unused)
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{
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int fd, fail;
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fail = 0;
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rump_sys_chdir(FSTEST_MNTNAME);
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while (!quit) {
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fd = rump_sys_open("file", O_RDWR | O_CREAT);
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if (fd == -1) {
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if (errno == EACCES) {
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fail++;
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break;
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}
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}
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rump_sys_close(fd);
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if (rump_sys_unlink("file") == -1) {
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if (errno == EACCES) {
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fail++;
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break;
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}
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}
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}
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rump_sys_chdir("/");
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quit = 1;
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return fail ? wrkwrkwrk : NULL;
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}
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ATF_TC_BODY(mountdhup, tc)
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{
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pthread_t pt;
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struct nfstestargs *nfsargs;
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void *voidargs;
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int attempts;
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void *fail;
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FSTEST_CONSTRUCTOR(tc, nfs, voidargs);
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nfsargs = voidargs;
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pthread_create(&pt, NULL, wrkwrkwrk, NULL);
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for (attempts = 100; attempts && !quit; attempts--) {
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usleep(100000);
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kill(nfsargs->ta_childpid, SIGHUP);
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}
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quit = 1;
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pthread_join(pt, &fail);
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FSTEST_DESTRUCTOR(tc, nfs, voidargs);
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atf_tc_expect_fail("PR kern/5844");
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if (fail)
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atf_tc_fail("op failed with EACCES");
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else
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atf_tc_fail("race did not trigger this time");
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, mountdhup);
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return atf_no_error();
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}
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