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      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 (at) netcom.com> 1992,1995               *
     43  *     and: Eric S. Raymond <esr (at) 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 */
    100