1 /* $NetBSD: signal.h,v 1.5 1998/09/13 01:51:30 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #ifndef _ALPHA_SIGNAL_H_ 31 #define _ALPHA_SIGNAL_H_ 32 33 typedef long sig_atomic_t; 34 35 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 36 !defined(_XOPEN_SOURCE) 37 /* 38 * Information pushed on stack when a signal is delivered. 39 * This is used by the kernel to restore state following 40 * execution of the signal handler. It is also made available 41 * to the handler to allow it to restore state properly if 42 * a non-standard exit is performed. 43 * 44 * Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline 45 * representations of 'struct reg' and 'struct fpreg', respectively. 46 */ 47 #if defined(__LIBC12_SOURCE__) || defined(_KERNEL) 48 struct sigcontext13 { 49 long sc_onstack; /* sigstack state to restore */ 50 long sc_mask; /* signal mask to restore (old style) */ 51 long sc_pc; /* pc to restore */ 52 long sc_ps; /* ps to restore */ 53 unsigned long sc_regs[32]; /* integer register set (see above) */ 54 #define sc_sp sc_regs[R_SP] 55 long sc_ownedfp; /* fp has been used */ 56 unsigned long sc_fpregs[32]; /* FP register set (see above) */ 57 unsigned long sc_fpcr; /* FP control register (see above) */ 58 unsigned long sc_fp_control; /* FP software control word */ 59 long sc_reserved[2]; /* XXX */ 60 long sc_xxx[8]; /* XXX */ 61 }; 62 #endif /* __LIBC12_SOURCE__ || _KERNEL */ 63 64 struct sigcontext { 65 long sc_onstack; /* sigstack state to restore */ 66 long __sc_mask13; /* signal mask to restore (old style) */ 67 long sc_pc; /* pc to restore */ 68 long sc_ps; /* ps to restore */ 69 unsigned long sc_regs[32]; /* integer register set (see above) */ 70 #define sc_sp sc_regs[R_SP] 71 long sc_ownedfp; /* fp has been used */ 72 unsigned long sc_fpregs[32]; /* FP register set (see above) */ 73 unsigned long sc_fpcr; /* FP control register (see above) */ 74 unsigned long sc_fp_control; /* FP software control word */ 75 long sc_reserved[2]; /* XXX */ 76 long sc_xxx[8]; /* XXX */ 77 sigset_t sc_mask; /* signal mask to restore (new style) */ 78 }; 79 80 #endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */ 81 #endif /* !_ALPHA_SIGNAL_H_*/ 82