openbsd-compat/sigact.h

   1 /*      $OpenBSD: SigAction.h,v 1.3 2001/01/22 18:01:32 millert Exp $   */
   2
   3 /****************************************************************************
   4  * Copyright (c) 1998,2000 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 1.6 2000/12/10 02:36:10 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 /* OPENBSD ORIGINAL: lib/libcurses/SigAction.h */
  44
  45 #ifndef _SIGACTION_H
  46 #define _SIGACTION_H
  47
  48 #if !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC)
  49
  50 #undef  SIG_BLOCK
  51 #define SIG_BLOCK       00
  52
  53 #undef  SIG_UNBLOCK
  54 #define SIG_UNBLOCK     01
  55
  56 #undef  SIG_SETMASK
  57 #define SIG_SETMASK     02
  58
  59 /*
  60  * <bsd/signal.h> is in the Linux 1.2.8 + gcc 2.7.0 configuration,
  61  * and is useful for testing this header file.
  62  */
  63 #if HAVE_BSD_SIGNAL_H
  64 # include <bsd/signal.h>
  65 #endif
  66
  67 struct sigaction
  68 {
  69         struct sigvec sv;
  70 };
  71
  72 typedef unsigned long sigset_t;
  73
  74 #undef  sa_mask
  75 #define sa_mask sv.sv_mask
  76 #undef  sa_handler
  77 #define sa_handler sv.sv_handler
  78 #undef  sa_flags
  79 #define sa_flags sv.sv_flags
  80
  81 int sigaction(int sig, struct sigaction *sigact, struct sigaction *osigact);
  82 int sigprocmask (int how, sigset_t *mask, sigset_t *omask);
  83 int sigemptyset (sigset_t *mask);
  84 int sigsuspend (sigset_t *mask);
  85 int sigdelset (sigset_t *mask, int sig);
  86 int sigaddset (sigset_t *mask, int sig);
  87
  88 #endif /* !defined(HAVE_SIGACTION) && defined(HAVE_SIGVEC) */
  89
  90 #endif /* !defined(_SIGACTION_H) */