tests/lib/libc/sys/t_getsid.c

   1 /* $NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2011 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jukka Ruohonen.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 #include <sys/cdefs.h>
  32 __RCSID("$NetBSD: t_getsid.c,v 1.1 2011/07/07 06:57:53 jruoho Exp $");
  33
  34 #include <sys/wait.h>
  35
  36 #include <errno.h>
  37 #include <stdlib.h>
  38 #include <unistd.h>
  39
  40 #include <atf-c.h>
  41
  42 ATF_TC(getsid_current);
  43 ATF_TC_HEAD(getsid_current, tc)
  44 {
  45         atf_tc_set_md_var(tc, "descr", "Test getsid(0)");
  46 }
  47
  48 ATF_TC_BODY(getsid_current, tc)
  49 {
  50         pid_t sid;
  51
  52         sid = getsid(0);
  53         ATF_REQUIRE(sid != -1);
  54
  55         if (sid != getsid(getpid()))
  56                 atf_tc_fail("getsid(0) did not match the calling process");
  57 }
  58
  59 ATF_TC(getsid_err);
  60 ATF_TC_HEAD(getsid_err, tc)
  61 {
  62         atf_tc_set_md_var(tc, "descr", "Test error conditions in getsid(2)");
  63 }
  64
  65 ATF_TC_BODY(getsid_err, tc)
  66 {
  67
  68         errno = 0;
  69
  70         ATF_REQUIRE(getsid(-1) == -1);
  71         ATF_REQUIRE(errno == ESRCH);
  72 }
  73
  74 ATF_TC(getsid_process);
  75 ATF_TC_HEAD(getsid_process, tc)
  76 {
  77         atf_tc_set_md_var(tc, "descr", "Test getsid(2) with processes");
  78 }
  79
  80 ATF_TC_BODY(getsid_process, tc)
  81 {
  82         pid_t csid, pid, ppid, sid;
  83         int sta;
  84
  85         sid = getsid(0);
  86         pid = fork();
  87
  88         ATF_REQUIRE(pid >= 0);
  89         ATF_REQUIRE(sid != -1);
  90
  91         if (pid == 0) {
  92
  93                 csid = getsid(0);
  94                 ppid = getppid();
  95
  96                 if (sid != csid)
  97                         _exit(EXIT_FAILURE);
  98
  99                 if (getsid(ppid) != csid)
 100                         _exit(EXIT_FAILURE);
 101
 102                 _exit(EXIT_SUCCESS);
 103         }
 104
 105         (void)wait(&sta);
 106
 107         if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
 108                 atf_tc_fail("invalid session ID");
 109 }
 110
 111 ATF_TP_ADD_TCS(tp)
 112 {
 113
 114         ATF_TP_ADD_TC(tp, getsid_current);
 115         ATF_TP_ADD_TC(tp, getsid_err);
 116         ATF_TP_ADD_TC(tp, getsid_process);
 117
 118         return atf_no_error();
 119 }