openbsd-compat/sigact.h

   1 /*      $OpenBSD: SigAction.h,v 1.2 1999/06/27 08:15:19 millert Exp $   */
   2
   3 /****************************************************************************
   4  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
   5  *                                                                          *
   6  * Permission is hereby granted, free of charge, to any person obtaining a  *
   7  * copy of this software and associated documentation files (the            *
   8  * "Software"), to deal in the Software without restriction, including      *
   9  * without limitation the rights to use, copy, modify, merge, publish,      *
  10  * distribute, distribute with modifications, sublicense, and/or sell       *
  11  * copies of the Software, and to permit persons to whom the Software is    *
  12  * furnished to do so, subject to the following conditions:                 *
  13  *                                                                          *
  14  * The above copyright notice and this permission notice shall be included  *
  15  * in all copies or substantial portions of the Software.                   *
  16  *                                                                          *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  24  *                                                                          *
  25  * Except as contained in this notice, the name(s) of the above copyright   *
  26  * holders shall not be used in advertising or otherwise to promote the     *
  27  * sale, use or other dealings in this Software without prior written       *
  28  * authorization.                                                           *
  29  ****************************************************************************/
  30
  31 /****************************************************************************
  32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  34  ****************************************************************************/
  35
  36 /*
  37  * $From: SigAction.h,v 1.5 1999/06/19 23:00:54 tom Exp $
  38  *
  39  * This file exists to handle non-POSIX systems which don't have <unistd.h>,
  40  * and usually no sigaction() nor <termios.h>
  41  */
  42
  43 #ifndef _SIGACTION_H
  44 #define _SIGACTION_H
  45
  46 #if !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC)
  47
  48 #undef  SIG_BLOCK
  49 #define SIG_BLOCK       00
  50
  51 #undef  SIG_UNBLOCK
  52 #define SIG_UNBLOCK     01
  53
  54 #undef  SIG_SETMASK
  55 #define SIG_SETMASK     02
  56
  57 /*
  58  * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
  59  * and is useful for testing this header file.
  60  */
  61 #if HAVE_BSD_SIGNAL_H
  62 # include <bsd/signal.h>
  63 #endif
  64
  65 struct sigaction
  66 {
  67         struct sigvec sv;
  68 };
  69
  70 typedef unsigned long sigset_t;
  71
  72 #undef  sa_mask
  73 #define sa_mask sv.sv_mask
  74 #undef  sa_handler
  75 #define sa_handler sv.sv_handler
  76 #undef  sa_flags
  77 #define sa_flags sv.sv_flags
  78
  79 int sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact);
  80 int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
  81 int sigemptyset (sigset_t *mask);
  82 int sigsuspend (sigset_t *mask);
  83 int sigdelset (sigset_t *mask, int sig);
  84 int sigaddset (sigset_t *mask, int sig);
  85
  86 #endif /* !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC) */
  87
  88 #endif /* !defined(_SIGACTION_H) */