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signal.h revision 1.9.2.3 
      1 /*      $NetBSD: signal.h,v 1.9.2.3 2004/09/21 13:23:43 skrll 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  *	@(#)signal.h	7.16 (Berkeley) 3/17/91
     32  */
     33 
     34  /* All bugs are subject to removal without further notice */
     35 
     36 #ifndef _VAX_SIGNAL_H_
     37 #define _VAX_SIGNAL_H_
     38 
     39 #include <sys/featuretest.h>
     40 
     41 typedef int sig_atomic_t;
     42 
     43 #if defined(_NETBSD_SOURCE)
     44 /*
     45  * Information pushed on stack when a signal is delivered.
     46  * This is used by the kernel to restore state following
     47  * execution of the signal handler.  It is also made available
     48  * to the handler to allow it to restore state properly if
     49  * a non-standard exit is performed.
     50  */
     51 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
     52 struct sigcontext13 {
     53 	int	sc_onstack;		/* sigstack state to restore */
     54 	int	sc_mask;		/* signal mask to restore (old style) */
     55 	int	sc_sp;			/* sp to restore */
     56 	int	sc_fp;			/* fp to restore */
     57 	int	sc_ap;			/* ap to restore */
     58 	int	sc_pc;			/* pc to restore */
     59 	int	sc_ps;			/* psl to restore */
     60 };
     61 #endif /* __LIBC12_SOURCE__ || _KERNEL */
     62 
     63 struct sigcontext {
     64 	int	sc_onstack;		/* sigstack state to restore */
     65 	int	__sc_mask13;		/* signal mask to restore (old style) */
     66 	int	sc_sp;			/* sp to restore */
     67 	int	sc_fp;			/* fp to restore */
     68 	int	sc_ap;			/* ap to restore */
     69 	int	sc_pc;			/* pc to restore */
     70 	int	sc_ps;			/* psl to restore */
     71 	sigset_t sc_mask;		/* signal mask to restore (new style) */
     72 };
     73 
     74 #ifdef _KERNEL
     75 void sendsig_context(int, const sigset_t *, u_long);
     76 
     77 #ifdef COMPAT_16
     78 #define	SIGTRAMP_VALID(vers)	((vers) <= 3 && (vers) != 1)
     79 #else
     80 #define	SIGTRAMP_VALID(vers)	((vers) == 3)
     81 #endif
     82 
     83 #endif	/* _KERNEL */
     84 
     85 #endif	/* _NETBSD_SOURCE */
     86 #endif	/* !_VAX_SIGNAL_H_ */
     87