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Annotation of src/tests/fs/nfs/t_mountd.c, Revision 1.3

1.3     ! jmmv        1: /*     $NetBSD: t_mountd.c,v 1.2 2010/08/01 15:38:27 pooka Exp $       */
1.1       pooka       2:
                      3: /*-
                      4:  * Copyright (c) 2010 The NetBSD Foundation, Inc.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     16:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     18:  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     19:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     21:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  */
                     27:
                     28: #include <sys/types.h>
                     29: #include <sys/mount.h>
                     30:
                     31: #include <atf-c.h>
                     32: #include <errno.h>
                     33: #include <fcntl.h>
                     34: #include <pthread.h>
                     35: #include <stdio.h>
                     36: #include <stdlib.h>
                     37: #include <unistd.h>
                     38: #include <string.h>
                     39:
                     40: #include <rump/rump.h>
                     41: #include <rump/rump_syscalls.h>
                     42:
                     43: #include "../../h_macros.h"
                     44: #include "../common/h_fsmacros.h"
                     45:
                     46: ATF_TC(mountdhup);
                     47: ATF_TC_HEAD(mountdhup, tc)
                     48: {
                     49:
                     50:        atf_tc_set_md_var(tc, "descr", "test for service interrupt while "
                     51:            "mountd handles SIGHUP");
                     52: }
                     53:
                     54: static volatile int quit;
                     55:
                     56: static void *
                     57: wrkwrkwrk(void *unused)
                     58: {
                     59:        int fd, fail;
                     60:
                     61:        rump_sys_chdir(FSTEST_MNTNAME);
                     62:        while (!quit) {
                     63:                fd = rump_sys_open("file", O_RDWR | O_CREAT);
                     64:                if (fd == -1) {
                     65:                        if (errno == EACCES) {
                     66:                                fail++;
                     67:                                break;
                     68:                        }
                     69:                }
                     70:                rump_sys_close(fd);
                     71:                if (rump_sys_unlink("file") == -1) {
                     72:                        if (errno == EACCES) {
                     73:                                fail++;
                     74:                                break;
                     75:                        }
                     76:                }
                     77:        }
                     78:        rump_sys_chdir("/");
                     79:        quit = 1;
                     80:
                     81:        return fail ? &fail : NULL;
                     82: }
                     83:
                     84: ATF_TC_BODY(mountdhup, tc)
                     85: {
                     86:        pthread_t pt;
                     87:        struct nfstestargs *nfsargs;
                     88:        void *voidargs;
                     89:        int attempts;
                     90:        void *fail;
                     91:
                     92:        FSTEST_CONSTRUCTOR(tc, nfs, voidargs);
                     93:        nfsargs = voidargs;
                     94:
                     95:        pthread_create(&pt, NULL, wrkwrkwrk, NULL);
                     96:        for (attempts = 100; attempts && !quit; attempts--) {
                     97:                usleep(100000);
                     98:                kill(nfsargs->ta_childpid, SIGHUP);
                     99:        }
                    100:        quit = 1;
                    101:        pthread_join(pt, &fail);
                    102:
                    103:        FSTEST_DESTRUCTOR(tc, nfs, voidargs);
                    104:
                    105:        atf_tc_expect_fail("PR kern/5844");
                    106:        if (fail)
                    107:                atf_tc_fail("op failed with EACCES");
1.2       pooka     108:        else
                    109:                atf_tc_fail("race did not trigger this time");
1.1       pooka     110: }
                    111:
                    112: ATF_TP_ADD_TCS(tp)
                    113: {
                    114:
                    115:        ATF_TP_ADD_TC(tp, mountdhup);
                    116:
                    117:        return atf_no_error();
                    118: }

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