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t_sigqueue.c revision 1.5 
      1 /* $NetBSD: t_sigqueue.c,v 1.5 2015/06/06 13:14:06 joerg 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 Christos Zoulas.
      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 
     32 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: t_sigqueue.c,v 1.5 2015/06/06 13:14:06 joerg Exp $");
     34 
     35 
     36 #include <atf-c.h>
     37 #include <errno.h>
     38 #include <signal.h>
     39 #include <stdlib.h>
     40 #include <sched.h>
     41 #include <unistd.h>
     42 
     43 static void	handler(int, siginfo_t *, void *);
     44 
     45 #define VALUE (int)0xc001dad1
     46 static int value;
     47 
     48 static void
     49 handler(int signo, siginfo_t *info, void *data)
     50 {
     51 	value = info->si_value.sival_int;
     52 	kill(0, SIGINFO);
     53 }
     54 
     55 ATF_TC(sigqueue_basic);
     56 ATF_TC_HEAD(sigqueue_basic, tc)
     57 {
     58 	atf_tc_set_md_var(tc, "descr", "Checks sigqueue(3) sigval delivery");
     59 }
     60 
     61 ATF_TC_BODY(sigqueue_basic, tc)
     62 {
     63 	struct sigaction sa;
     64 	union sigval sv;
     65 
     66 	sa.sa_sigaction = handler;
     67 	sigemptyset(&sa.sa_mask);
     68 	sa.sa_flags = SA_SIGINFO;
     69 
     70 	if (sigaction(SIGUSR1, &sa, NULL) != 0)
     71 		atf_tc_fail("sigaction failed");
     72 
     73 	sv.sival_int = VALUE;
     74 
     75 	if (sigqueue(0, SIGUSR1, sv) != 0)
     76 		atf_tc_fail("sigqueue failed");
     77 
     78 	sched_yield();
     79 	ATF_REQUIRE_EQ(sv.sival_int, value);
     80 }
     81 
     82 ATF_TC(sigqueue_err);
     83 ATF_TC_HEAD(sigqueue_err, tc)
     84 {
     85 	atf_tc_set_md_var(tc, "descr", "Test errors from sigqueue(3)");
     86 }
     87 
     88 ATF_TC_BODY(sigqueue_err, tc)
     89 {
     90 	static union sigval sv;
     91 
     92 	errno = 0;
     93 	ATF_REQUIRE_ERRNO(EINVAL, sigqueue(getpid(), -1, sv) == -1);
     94 }
     95 
     96 ATF_TP_ADD_TCS(tp)
     97 {
     98 
     99 	ATF_TP_ADD_TC(tp, sigqueue_basic);
    100 	ATF_TP_ADD_TC(tp, sigqueue_err);
    101 
    102 	return atf_no_error();
    103 }
    104