crypto/external/bsd/heimdal/dist/lib/kadm5/ipropd_common.c

   1 /*      $NetBSD: ipropd_common.c,v 1.1.1.2 2014/04/24 12:45:48 pettai Exp $     */
   2
   3 /*
   4  * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  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  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "iprop.h"
  37 __RCSID("NetBSD");
  38
  39 sig_atomic_t exit_flag;
  40
  41 static RETSIGTYPE
  42 sigterm(int sig)
  43 {
  44     exit_flag = sig;
  45 }
  46
  47 void
  48 setup_signal(void)
  49 {
  50 #ifdef HAVE_SIGACTION
  51     {
  52         struct sigaction sa;
  53
  54         sa.sa_flags = 0;
  55         sa.sa_handler = sigterm;
  56         sigemptyset(&sa.sa_mask);
  57
  58         sigaction(SIGINT, &sa, NULL);
  59         sigaction(SIGTERM, &sa, NULL);
  60         sigaction(SIGXCPU, &sa, NULL);
  61
  62         sa.sa_handler = SIG_IGN;
  63         sigaction(SIGPIPE, &sa, NULL);
  64     }
  65 #else
  66     signal(SIGINT, sigterm);
  67     signal(SIGTERM, sigterm);
  68 #ifndef NO_SIGXCPU
  69     signal(SIGXCPU, sigterm);
  70 #endif
  71 #ifndef NO_SIGPIPE
  72     signal(SIGPIPE, SIG_IGN);
  73 #endif
  74 #endif
  75 }