tests/lib/libc/gen/t_pause.c

   1 /* $NetBSD: t_pause.c,v 1.1 2011/05/10 13:03:06 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_pause.c,v 1.1 2011/05/10 13:03:06 jruoho Exp $");
  33
  34 #include <sys/wait.h>
  35
  36 #include <atf-c.h>
  37 #include <stdlib.h>
  38 #include <signal.h>
  39 #include <unistd.h>
  40
  41 static bool     fail;
  42 static void     handler(int);
  43
  44 static void
  45 handler(int signo)
  46 {
  47
  48         if (signo == SIGALRM)
  49                 fail = false;
  50 }
  51
  52 ATF_TC(pause_basic);
  53 ATF_TC_HEAD(pause_basic, tc)
  54 {
  55         atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #1");
  56 }
  57
  58 ATF_TC_BODY(pause_basic, tc)
  59 {
  60
  61         fail = true;
  62
  63         ATF_REQUIRE(signal(SIGALRM, handler) == 0);
  64
  65         (void)alarm(1);
  66
  67         if (pause() != -1 || fail != false)
  68                 atf_tc_fail("pause(3) did not cancel out from a signal");
  69 }
  70
  71 ATF_TC(pause_kill);
  72 ATF_TC_HEAD(pause_kill, tc)
  73 {
  74         atf_tc_set_md_var(tc, "descr", "A basic test of pause(3), #2");
  75 }
  76
  77 ATF_TC_BODY(pause_kill, tc)
  78 {
  79         pid_t pid;
  80         int sta;
  81
  82         fail = true;
  83
  84         pid = fork();
  85         ATF_REQUIRE(pid >= 0);
  86
  87         if (pid == 0) {
  88
  89                 (void)pause();
  90
  91                 _exit(EXIT_SUCCESS);
  92         }
  93
  94         (void)sleep(1);
  95
  96         if (fail != true)
  97                 atf_tc_fail("child terminated before signal");
  98
  99         (void)kill(pid, SIGKILL);
 100         (void)sleep(1);
 101         (void)wait(&sta);
 102
 103         if (WIFSIGNALED(sta) == 0 || WTERMSIG(sta) != SIGKILL)
 104                 atf_tc_fail("pause(3) did not cancel from SIGKILL");
 105 }
 106
 107 ATF_TP_ADD_TCS(tp)
 108 {
 109
 110         ATF_TP_ADD_TC(tp, pause_basic);
 111         ATF_TP_ADD_TC(tp, pause_kill);
 112
 113         return atf_no_error();
 114 }