/*      $NetBSD: t_mountd.c,v 1.8 2021/06/04 10:48:07 hannken 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, 0600);
               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);

       if (fail)
               atf_tc_fail("op failed with EACCES");
}

ATF_TP_ADD_TCS(tp)
{

       ATF_TP_ADD_TC(tp, mountdhup);

       return atf_no_error();
}