games/sail/machdep.h

   1 /*-
   2  * Copyright (c) 1983, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)machdep.h   8.1 (Berkeley) 5/31/93
  30  * $DragonFly: src/games/sail/machdep.h,v 1.2 2006/09/03 17:33:13 pavalos Exp $
  31  */
  32
  33 #define TIMEOUT 300                             /* Sync() timeout in seconds */
  34
  35 /* for POSIX systems */
  36 #define blockalarm() \
  37         do {                                                            \
  38                 sigset_t sigset;                                        \
  39                 sigemptyset(&sigset);                                   \
  40                 sigaddset(&sigset, SIGALRM);                            \
  41                 sigprocmask(SIG_BLOCK, &sigset, NULL);                  \
  42         } while (0)
  43 #define unblockalarm() \
  44         do {                                                            \
  45                 sigset_t sigset;                                        \
  46                 sigemptyset(&sigset);                                   \
  47                 sigaddset(&sigset, SIGALRM);                            \
  48                 sigprocmask(SIG_UNBLOCK, &sigset, NULL);                \
  49         } while (0)