Annotation of sys/arch/alpha/include/signal.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: signal.h,v 1.6 2006/12/11 20:53:23 deraadt Exp $ */
! 2: /* $NetBSD: signal.h,v 1.2 1995/02/16 03:08:08 cgd Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1994, 1995 Carnegie-Mellon University.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Chris G. Demetriou
! 9: *
! 10: * Permission to use, copy, modify and distribute this software and
! 11: * its documentation is hereby granted, provided that both the copyright
! 12: * notice and this permission notice appear in all copies of the
! 13: * software, derivative works or modified versions, and any portions
! 14: * thereof, and that both notices appear in supporting documentation.
! 15: *
! 16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
! 17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
! 18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
! 19: *
! 20: * Carnegie Mellon requests users of this software to return to
! 21: *
! 22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
! 23: * School of Computer Science
! 24: * Carnegie Mellon University
! 25: * Pittsburgh PA 15213-3890
! 26: *
! 27: * any improvements or extensions that they make and grant Carnegie the
! 28: * rights to redistribute these changes.
! 29: */
! 30:
! 31: #ifndef _ALPHA_SIGNAL_H_
! 32: #define _ALPHA_SIGNAL_H_
! 33:
! 34: #include <sys/cdefs.h>
! 35:
! 36: typedef int sig_atomic_t;
! 37:
! 38: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
! 39: /*
! 40: * Information pushed on stack when a signal is delivered.
! 41: * This is used by the kernel to restore state following
! 42: * execution of the signal handler. It is also made available
! 43: * to the handler to allow it to restore state properly if
! 44: * a non-standard exit is performed.
! 45: *
! 46: * Note that sc_regs[] and sc_fpregs[]+sc_fpcr are inline
! 47: * representations of 'struct reg' and 'struct fpreg', respectively.
! 48: */
! 49: struct sigcontext {
! 50: long sc_onstack; /* sigstack state to restore */
! 51: long sc_mask; /* signal mask to restore */
! 52: long sc_pc; /* pc to restore */
! 53: long sc_ps; /* ps to restore */
! 54: unsigned long sc_regs[32]; /* integer register set (see above) */
! 55: #define sc_sp sc_regs[R_SP]
! 56: long sc_ownedfp; /* fp has been used */
! 57: unsigned long sc_fpregs[32]; /* FP register set (see above) */
! 58: unsigned long sc_fpcr; /* FP control register (see above) */
! 59: unsigned long sc_fp_control; /* FP software control word */
! 60: long sc_reserved[2]; /* XXX */
! 61: long sc_xxx[8]; /* XXX */
! 62: };
! 63: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
! 64: #endif /* !_ALPHA_SIGNAL_H_*/
CVSweb