Home | History | Annotate | Line # | Download | only in include
signal.h revision 1.1.4.2 
      1  1.1.4.2  gehenna /*	$NetBSD: signal.h,v 1.1.4.2 2002/07/14 17:47:32 gehenna Exp $	*/
      2  1.1.4.2  gehenna 
      3  1.1.4.2  gehenna /*	$OpenBSD: signal.h,v 1.1 1998/06/23 19:45:27 mickey Exp $	*/
      4  1.1.4.2  gehenna 
      5  1.1.4.2  gehenna /*
      6  1.1.4.2  gehenna  * Copyright (c) 1994, The University of Utah and
      7  1.1.4.2  gehenna  * the Computer Systems Laboratory at the University of Utah (CSL).
      8  1.1.4.2  gehenna  * All rights reserved.
      9  1.1.4.2  gehenna  *
     10  1.1.4.2  gehenna  * Permission to use, copy, modify and distribute this software is hereby
     11  1.1.4.2  gehenna  * granted provided that (1) source code retains these copyright, permission,
     12  1.1.4.2  gehenna  * and disclaimer notices, and (2) redistributions including binaries
     13  1.1.4.2  gehenna  * reproduce the notices in supporting documentation, and (3) all advertising
     14  1.1.4.2  gehenna  * materials mentioning features or use of this software display the following
     15  1.1.4.2  gehenna  * acknowledgement: ``This product includes software developed by the
     16  1.1.4.2  gehenna  * Computer Systems Laboratory at the University of Utah.''
     17  1.1.4.2  gehenna  *
     18  1.1.4.2  gehenna  * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
     19  1.1.4.2  gehenna  * IS" CONDITION.  THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
     20  1.1.4.2  gehenna  * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     21  1.1.4.2  gehenna  *
     22  1.1.4.2  gehenna  * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any
     23  1.1.4.2  gehenna  * improvements that they make and grant CSL redistribution rights.
     24  1.1.4.2  gehenna  *
     25  1.1.4.2  gehenna  * 	Utah $Hdr: signal.h 1.3 94/12/16$
     26  1.1.4.2  gehenna  */
     27  1.1.4.2  gehenna 
     28  1.1.4.2  gehenna /*
     29  1.1.4.2  gehenna  * Machine-dependent signal definitions
     30  1.1.4.2  gehenna  */
     31  1.1.4.2  gehenna 
     32  1.1.4.2  gehenna typedef int sig_atomic_t;
     33  1.1.4.2  gehenna 
     34  1.1.4.2  gehenna #ifndef _POSIX_SOURCE
     35  1.1.4.2  gehenna #include <machine/trap.h>	/* codes for SIGILL, SIGFPE */
     36  1.1.4.2  gehenna #endif
     37  1.1.4.2  gehenna 
     38  1.1.4.2  gehenna /*
     39  1.1.4.2  gehenna  * Information pushed on stack when a signal is delivered.
     40  1.1.4.2  gehenna  * This is used by the kernel to restore state following
     41  1.1.4.2  gehenna  * execution of the signal handler.  It is also made available
     42  1.1.4.2  gehenna  * to the handler to allow it to restore state properly if
     43  1.1.4.2  gehenna  * a non-standard exit is performed.
     44  1.1.4.2  gehenna  */
     45  1.1.4.2  gehenna struct	sigcontext {
     46  1.1.4.2  gehenna 	int	sc_onstack;		/* sigstack state to restore */
     47  1.1.4.2  gehenna 	int	__sc_mask13;		/* signal mask to restore (old style) */
     48  1.1.4.2  gehenna 	int	sc_sp;			/* sp to restore */
     49  1.1.4.2  gehenna 	int	sc_fp;			/* fp to restore */
     50  1.1.4.2  gehenna 	int	sc_ap;			/* ap to restore */
     51  1.1.4.2  gehenna 	int	sc_pcsqh;		/* pc space queue (head) to restore */
     52  1.1.4.2  gehenna 	int	sc_pcoqh;		/* pc offset queue (head) to restore */
     53  1.1.4.2  gehenna 	int	sc_pcsqt;		/* pc space queue (tail) to restore */
     54  1.1.4.2  gehenna 	int	sc_pcoqt;		/* pc offset queue (tail) to restore */
     55  1.1.4.2  gehenna 	int	sc_ps;			/* psl to restore */
     56  1.1.4.2  gehenna 	sigset_t sc_mask;		/* signal mask to restore (new style) */
     57  1.1.4.2  gehenna };
     58  1.1.4.2  gehenna 
     59  1.1.4.2  gehenna #if defined(_KERNEL)
     60  1.1.4.2  gehenna #include <hppa/frame.h>
     61  1.1.4.2  gehenna 
     62  1.1.4.2  gehenna /*
     63  1.1.4.2  gehenna  * Register state saved while kernel delivers a signal.
     64  1.1.4.2  gehenna  */
     65  1.1.4.2  gehenna struct sigstate {
     66  1.1.4.2  gehenna 	int	ss_flags;		/* which of the following are valid */
     67  1.1.4.2  gehenna 	struct trapframe ss_frame;	/* original exception frame */
     68  1.1.4.2  gehenna };
     69  1.1.4.2  gehenna 
     70  1.1.4.2  gehenna #define	SS_FPSTATE	0x01
     71  1.1.4.2  gehenna #define	SS_USERREGS	0x02
     72  1.1.4.2  gehenna 
     73  1.1.4.2  gehenna /*
     74  1.1.4.2  gehenna  * Stack frame layout when delivering a signal.
     75  1.1.4.2  gehenna  */
     76  1.1.4.2  gehenna struct sigframe {
     77  1.1.4.2  gehenna 	struct sigcontext sf_sc;	/* actual context */
     78  1.1.4.2  gehenna 	struct sigstate sf_state;	/* state of the hardware */
     79  1.1.4.2  gehenna 	/*
     80  1.1.4.2  gehenna 	 * Everything below here must match the calling convention.
     81  1.1.4.2  gehenna 	 * Per that convention, sendsig must initialize very little;
     82  1.1.4.2  gehenna 	 * only sf_psp, sf_clup, sf_sl, and sf_edp must be set.
     83  1.1.4.2  gehenna 	 * Note that this layout matches the HPPA_FRAME_ macros
     84  1.1.4.2  gehenna 	 * in frame.h.
     85  1.1.4.2  gehenna 	 */
     86  1.1.4.2  gehenna 	u_int	sf_arg3;
     87  1.1.4.2  gehenna 	u_int	sf_arg2;
     88  1.1.4.2  gehenna 	u_int	sf_arg1;
     89  1.1.4.2  gehenna 	u_int	sf_arg0;
     90  1.1.4.2  gehenna 	u_int	sf_edp;
     91  1.1.4.2  gehenna 	u_int	sf_esr4;
     92  1.1.4.2  gehenna 	u_int	sf_erp;
     93  1.1.4.2  gehenna 	u_int	sf_crp;
     94  1.1.4.2  gehenna 	u_int	sf_sl;
     95  1.1.4.2  gehenna 	u_int	sf_clup;
     96  1.1.4.2  gehenna 	u_int	sf_ep;
     97  1.1.4.2  gehenna 	u_int	sf_psp;
     98  1.1.4.2  gehenna };
     99  1.1.4.2  gehenna 
    100  1.1.4.2  gehenna #endif /* _KERNEL */
    101