tests/lib/libc/sys/t_sigqueue.c

   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 }