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      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 }
    115