text: /* $NetBSD: t_sigqueue.c,v 1.4 2011/07/07 16:31:11 jruoho Exp $ */
  
  /*-
   * Copyright (c) 2011 The NetBSD Foundation, Inc.
   * All rights reserved.
   *
   * This code is derived from software contributed to The NetBSD Foundation
   * by Christos Zoulas.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  __RCSID("$NetBSD: t_sigqueue.c,v 1.4 2011/07/07 16:31:11 jruoho Exp $");
  
  
  #include <atf-c.h>
  #include <errno.h>
  #include <signal.h>
  #include <stdlib.h>
  #include <sched.h>
  #include <unistd.h>
  
  static void	handler(int, siginfo_t *, void *);
  
  #define VALUE (int)0xc001dad1
  static int value;
  
  static void
  #ifdef __FreeBSD__
  handler(int signo __unused, siginfo_t *info __unused, void *data __unused)
  #else
  handler(int signo, siginfo_t *info, void *data)
  #endif
  {
  	value = info->si_value.sival_int;
  	kill(0, SIGINFO);
  }
  
  ATF_TC(sigqueue_basic);
  ATF_TC_HEAD(sigqueue_basic, tc)
  {
  	atf_tc_set_md_var(tc, "descr", "Checks sigqueue(3) sigval delivery");
  }
  
  ATF_TC_BODY(sigqueue_basic, tc)
  {
  	struct sigaction sa;
  	union sigval sv;
  
  	sa.sa_sigaction = handler;
  	sigemptyset(&sa.sa_mask);
  	sa.sa_flags = SA_SIGINFO;
  
  	if (sigaction(SIGUSR1, &sa, NULL) != 0)
  		atf_tc_fail("sigaction failed");
  
  	sv.sival_int = VALUE;
  
  #ifdef __FreeBSD__
  	/* 
  	 * From kern_sig.c:
  	 * Specification says sigqueue can only send signal to single process.
  	 */
  	if (sigqueue(getpid(), SIGUSR1, sv) != 0)
  #else
  	if (sigqueue(0, SIGUSR1, sv) != 0)
  #endif
  		atf_tc_fail("sigqueue failed");
  
  	sched_yield();
  	ATF_REQUIRE_EQ(sv.sival_int, value);
  }
  
  ATF_TC(sigqueue_err);
  ATF_TC_HEAD(sigqueue_err, tc)
  {
  	atf_tc_set_md_var(tc, "descr", "Test errors from sigqueue(3)");
  }
  
  ATF_TC_BODY(sigqueue_err, tc)
  {
  	union sigval sv;
  
  	errno = 0;
  	ATF_REQUIRE_ERRNO(EINVAL, sigqueue(getpid(), -1, sv) == -1);
  }
  
  ATF_TP_ADD_TCS(tp)
  {
  
  	ATF_TP_ADD_TC(tp, sigqueue_basic);
  	ATF_TP_ADD_TC(tp, sigqueue_err);
  
  	return atf_no_error();
  }
  