games/sail/machdep.h

   1 /*      $NetBSD: machdep.h,v 1.6 2008/01/28 01:58:01 dholland Exp $     */
   2
   3 /*
   4  * Copyright (c) 1983, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)machdep.h   8.1 (Berkeley) 5/31/93
  32  */
  33
  34 #define TIMEOUT 300                             /* Sync() timeout in seconds */
  35
  36 /* for POSIX systems */
  37 #define blockalarm() \
  38         do {                                                            \
  39                 sigset_t set;                                           \
  40                 sigemptyset(&set);                                      \
  41                 sigaddset(&set, SIGALRM);                               \
  42                 sigprocmask(SIG_BLOCK, &set, (sigset_t *)0);            \
  43         } while (0)
  44 #define unblockalarm() \
  45         do {                                                            \
  46                 sigset_t set;                                           \
  47                 sigemptyset(&set);                                      \
  48                 sigaddset(&set, SIGALRM);                               \
  49                 sigprocmask(SIG_UNBLOCK, &set, (sigset_t *)0);          \
  50         } while (0)