signal.h revision 1.1.2.2
1 1.1.2.2 jdolecek /* $NetBSD: signal.h,v 1.1.2.2 2002/06/23 17:37:10 jdolecek Exp $ */ 2 1.1.2.2 jdolecek 3 1.1.2.2 jdolecek /* $OpenBSD: signal.h,v 1.1 1998/06/23 19:45:27 mickey Exp $ */ 4 1.1.2.2 jdolecek 5 1.1.2.2 jdolecek /* 6 1.1.2.2 jdolecek * Copyright (c) 1994, The University of Utah and 7 1.1.2.2 jdolecek * the Computer Systems Laboratory at the University of Utah (CSL). 8 1.1.2.2 jdolecek * All rights reserved. 9 1.1.2.2 jdolecek * 10 1.1.2.2 jdolecek * Permission to use, copy, modify and distribute this software is hereby 11 1.1.2.2 jdolecek * granted provided that (1) source code retains these copyright, permission, 12 1.1.2.2 jdolecek * and disclaimer notices, and (2) redistributions including binaries 13 1.1.2.2 jdolecek * reproduce the notices in supporting documentation, and (3) all advertising 14 1.1.2.2 jdolecek * materials mentioning features or use of this software display the following 15 1.1.2.2 jdolecek * acknowledgement: ``This product includes software developed by the 16 1.1.2.2 jdolecek * Computer Systems Laboratory at the University of Utah.'' 17 1.1.2.2 jdolecek * 18 1.1.2.2 jdolecek * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS 19 1.1.2.2 jdolecek * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF 20 1.1.2.2 jdolecek * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 21 1.1.2.2 jdolecek * 22 1.1.2.2 jdolecek * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any 23 1.1.2.2 jdolecek * improvements that they make and grant CSL redistribution rights. 24 1.1.2.2 jdolecek * 25 1.1.2.2 jdolecek * Utah $Hdr: signal.h 1.3 94/12/16$ 26 1.1.2.2 jdolecek */ 27 1.1.2.2 jdolecek 28 1.1.2.2 jdolecek /* 29 1.1.2.2 jdolecek * Machine-dependent signal definitions 30 1.1.2.2 jdolecek */ 31 1.1.2.2 jdolecek 32 1.1.2.2 jdolecek typedef int sig_atomic_t; 33 1.1.2.2 jdolecek 34 1.1.2.2 jdolecek #ifndef _POSIX_SOURCE 35 1.1.2.2 jdolecek #include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 36 1.1.2.2 jdolecek #endif 37 1.1.2.2 jdolecek 38 1.1.2.2 jdolecek /* 39 1.1.2.2 jdolecek * Information pushed on stack when a signal is delivered. 40 1.1.2.2 jdolecek * This is used by the kernel to restore state following 41 1.1.2.2 jdolecek * execution of the signal handler. It is also made available 42 1.1.2.2 jdolecek * to the handler to allow it to restore state properly if 43 1.1.2.2 jdolecek * a non-standard exit is performed. 44 1.1.2.2 jdolecek */ 45 1.1.2.2 jdolecek struct sigcontext { 46 1.1.2.2 jdolecek int sc_onstack; /* sigstack state to restore */ 47 1.1.2.2 jdolecek int __sc_mask13; /* signal mask to restore (old style) */ 48 1.1.2.2 jdolecek int sc_sp; /* sp to restore */ 49 1.1.2.2 jdolecek int sc_fp; /* fp to restore */ 50 1.1.2.2 jdolecek int sc_ap; /* ap to restore */ 51 1.1.2.2 jdolecek int sc_pcsqh; /* pc space queue (head) to restore */ 52 1.1.2.2 jdolecek int sc_pcoqh; /* pc offset queue (head) to restore */ 53 1.1.2.2 jdolecek int sc_pcsqt; /* pc space queue (tail) to restore */ 54 1.1.2.2 jdolecek int sc_pcoqt; /* pc offset queue (tail) to restore */ 55 1.1.2.2 jdolecek int sc_ps; /* psl to restore */ 56 1.1.2.2 jdolecek sigset_t sc_mask; /* signal mask to restore (new style) */ 57 1.1.2.2 jdolecek }; 58 1.1.2.2 jdolecek 59 1.1.2.2 jdolecek #if defined(_KERNEL) 60 1.1.2.2 jdolecek #include <hppa/frame.h> 61 1.1.2.2 jdolecek 62 1.1.2.2 jdolecek /* 63 1.1.2.2 jdolecek * Register state saved while kernel delivers a signal. 64 1.1.2.2 jdolecek */ 65 1.1.2.2 jdolecek struct sigstate { 66 1.1.2.2 jdolecek int ss_flags; /* which of the following are valid */ 67 1.1.2.2 jdolecek struct trapframe ss_frame; /* original exception frame */ 68 1.1.2.2 jdolecek }; 69 1.1.2.2 jdolecek 70 1.1.2.2 jdolecek #define SS_FPSTATE 0x01 71 1.1.2.2 jdolecek #define SS_USERREGS 0x02 72 1.1.2.2 jdolecek 73 1.1.2.2 jdolecek /* 74 1.1.2.2 jdolecek * Stack frame layout when delivering a signal. 75 1.1.2.2 jdolecek */ 76 1.1.2.2 jdolecek struct sigframe { 77 1.1.2.2 jdolecek struct sigcontext sf_sc; /* actual context */ 78 1.1.2.2 jdolecek struct sigstate sf_state; /* state of the hardware */ 79 1.1.2.2 jdolecek /* 80 1.1.2.2 jdolecek * Everything below here must match the calling convention. 81 1.1.2.2 jdolecek * Per that convention, sendsig must initialize very little; 82 1.1.2.2 jdolecek * only sf_psp, sf_clup, sf_sl, and sf_edp must be set. 83 1.1.2.2 jdolecek * Note that this layout matches the HPPA_FRAME_ macros 84 1.1.2.2 jdolecek * in frame.h. 85 1.1.2.2 jdolecek */ 86 1.1.2.2 jdolecek u_int sf_arg3; 87 1.1.2.2 jdolecek u_int sf_arg2; 88 1.1.2.2 jdolecek u_int sf_arg1; 89 1.1.2.2 jdolecek u_int sf_arg0; 90 1.1.2.2 jdolecek u_int sf_edp; 91 1.1.2.2 jdolecek u_int sf_esr4; 92 1.1.2.2 jdolecek u_int sf_erp; 93 1.1.2.2 jdolecek u_int sf_crp; 94 1.1.2.2 jdolecek u_int sf_sl; 95 1.1.2.2 jdolecek u_int sf_clup; 96 1.1.2.2 jdolecek u_int sf_ep; 97 1.1.2.2 jdolecek u_int sf_psp; 98 1.1.2.2 jdolecek }; 99 1.1.2.2 jdolecek 100 1.1.2.2 jdolecek #endif /* _KERNEL */ 101
Indexes created Mon Oct 27 08:10:08 GMT 2025