1 /*      $OpenBSD: SigAction.h,v 1.2 1999/06/27 08:15:19 millert Exp $   */
   2 
   3 #ifndef _SIGACT_H
   4 #define _SIGACT_H
   5 
   6 #pragma ident   "%Z%%M% %I%     %E% SMI"
   7 
   8 #ifdef __cplusplus
   9 extern "C" {
  10 #endif
  11 
  12 
  13 /****************************************************************************
  14  * Copyright (c) 1998 Free Software Foundation, Inc.                        *
  15  *                                                                          *
  16  * Permission is hereby granted, free of charge, to any person obtaining a  *
  17  * copy of this software and associated documentation files (the            *
  18  * "Software"), to deal in the Software without restriction, including      *
  19  * without limitation the rights to use, copy, modify, merge, publish,      *
  20  * distribute, distribute with modifications, sublicense, and/or sell       *
  21  * copies of the Software, and to permit persons to whom the Software is    *
  22  * furnished to do so, subject to the following conditions:                 *
  23  *                                                                          *
  24  * The above copyright notice and this permission notice shall be included  *
  25  * in all copies or substantial portions of the Software.                   *
  26  *                                                                          *
  27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  28  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  29  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  30  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  31  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  32  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  33  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  34  *                                                                          *
  35  * Except as contained in this notice, the name(s) of the above copyright   *
  36  * holders shall not be used in advertising or otherwise to promote the     *
  37  * sale, use or other dealings in this Software without prior written       *
  38  * authorization.                                                           *
  39  ****************************************************************************/
  40 
  41 /****************************************************************************
  42  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  43  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  44  ****************************************************************************/
  45 
  46 /*
  47  * $From: SigAction.h,v 1.5 1999/06/19 23:00:54 tom Exp $
  48  *
  49  * This file exists to handle non-POSIX systems which don't have <unistd.h>,
  50  * and usually no sigaction() nor <termios.h>
  51  */
  52 
  53 #if !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC)
  54 
  55 #undef  SIG_BLOCK
  56 #define SIG_BLOCK       00
  57 
  58 #undef  SIG_UNBLOCK
  59 #define SIG_UNBLOCK     01
  60 
  61 #undef  SIG_SETMASK
  62 #define SIG_SETMASK     02
  63 
  64 /*
  65  * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
  66  * and is useful for testing this header file.
  67  */
  68 #if HAVE_BSD_SIGNAL_H
  69 # include <bsd/signal.h>
  70 #endif
  71 
  72 struct sigaction
  73 {
  74         struct sigvec sv;
  75 };
  76 
  77 typedef unsigned long sigset_t;
  78 
  79 #undef  sa_mask
  80 #define sa_mask sv.sv_mask
  81 #undef  sa_handler
  82 #define sa_handler sv.sv_handler
  83 #undef  sa_flags
  84 #define sa_flags sv.sv_flags
  85 
  86 int sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact);
  87 int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
  88 int sigemptyset (sigset_t *mask);
  89 int sigsuspend (sigset_t *mask);
  90 int sigdelset (sigset_t *mask, int sig);
  91 int sigaddset (sigset_t *mask, int sig);
  92 
  93 #endif /* !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC) */
  94 
  95 #ifdef __cplusplus
  96 }
  97 #endif
  98 
  99 #endif /* _SIGACT_H */