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signal.h revision 1.3 
      1 /*      $NetBSD: signal.h,v 1.3 1994/11/25 19:09:00 ragge Exp $   */
      2 
      3 /*
      4  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  *	@(#)signal.h	7.16 (Berkeley) 3/17/91
     36  */
     37 
     38  /* All bugs are subject to removal without further notice */
     39 
     40 /*
     41  * Information pushed on stack when a signal is delivered.
     42  * This is used by the kernel to restore state following
     43  * execution of the signal handler.  It is also made available
     44  * to the handler to allow it to restore state properly if
     45  * a non-standard exit is performed.
     46  */
     47 struct	sigcontext {
     48 	int	sc_onstack;		/* sigstack state to restore */
     49 	int	sc_mask;		/* signal mask to restore */
     50 	int	sc_sp;			/* sp to restore */
     51 	int	sc_fp;			/* fp to restore */
     52 	int	sc_ap;			/* ap to restore */
     53 	int	sc_pc;			/* pc to restore */
     54 	int	sc_ps;			/* psl to restore */
     55 };
     56