signal.h revision 51942
180709Sjake/* 280709Sjake * Copyright (c) 1986, 1989, 1991, 1993 380709Sjake * The Regents of the University of California. All rights reserved. 480709Sjake * 580709Sjake * Redistribution and use in source and binary forms, with or without 680709Sjake * modification, are permitted provided that the following conditions 780709Sjake * are met: 880709Sjake * 1. Redistributions of source code must retain the above copyright 980709Sjake * notice, this list of conditions and the following disclaimer. 1080709Sjake * 2. Redistributions in binary form must reproduce the above copyright 1180709Sjake * notice, this list of conditions and the following disclaimer in the 1280709Sjake * documentation and/or other materials provided with the distribution. 1380709Sjake * 3. All advertising materials mentioning features or use of this software 1481334Sobrien * must display the following acknowledgement: 1580709Sjake * This product includes software developed by the University of 1680709Sjake * California, Berkeley and its contributors. 1781334Sobrien * 4. Neither the name of the University nor the names of its contributors 1880709Sjake * may be used to endorse or promote products derived from this software 1980709Sjake * without specific prior written permission. 2080709Sjake * 2180709Sjake * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2280709Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2380709Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2480709Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2580709Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2680709Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2780709Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2880709Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2980709Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3080709Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3180709Sjake * SUCH DAMAGE. 3284179Sjake * 3384179Sjake * @(#)signal.h 8.1 (Berkeley) 6/11/93 3488630Sjake * $FreeBSD: head/sys/amd64/include/signal.h 51942 1999-10-04 19:33:58Z marcel $ 3588630Sjake */ 3688630Sjake 3788630Sjake#ifndef _MACHINE_SIGNAL_H_ 3888630Sjake#define _MACHINE_SIGNAL_H_ 3988630Sjake 4088630Sjake/* 4188630Sjake * Machine-dependent signal definitions 4288630Sjake */ 4388630Sjake 44154419Skristypedef int sig_atomic_t; 4588630Sjake 4688630Sjake#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 4788630Sjake 4888630Sjake#include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 4988630Sjake 5088630Sjake/* 5188630Sjake * Information pushed on stack when a signal is delivered. 5288630Sjake * This is used by the kernel to restore state following 5388630Sjake * execution of the signal handler. It is also made available 5488630Sjake * to the handler to allow it to restore state properly if 5588630Sjake * a non-standard exit is performed. 5688630Sjake */ 5788630Sjaketypedef unsigned int osigset_t; 5888630Sjake 5988630Sjakestruct osigcontext { 6088630Sjake int sc_onstack; /* sigstack state to restore */ 6188630Sjake osigset_t sc_mask; /* signal mask to restore */ 6288630Sjake int sc_esp; /* machine state */ 6388630Sjake int sc_ebp; 6488630Sjake int sc_isp; 6588630Sjake int sc_eip; 6688630Sjake int sc_efl; 6788630Sjake int sc_es; 68114257Sjake int sc_ds; 69114257Sjake int sc_cs; 7080709Sjake int sc_ss; 71114257Sjake int sc_edi; 72114257Sjake int sc_esi; 73114257Sjake int sc_ebx; 74114257Sjake int sc_edx; 7588630Sjake int sc_ecx; 7688630Sjake int sc_eax; 7788630Sjake int sc_gs; 7888630Sjake int sc_fs; 7988630Sjake int sc_trapno; 8088630Sjake int sc_err; 8188630Sjake}; 8288630Sjake 8388630Sjake/* 8488630Sjake * The sequence of the fields/registers in sigcontext should match 8588630Sjake * those in mcontext_t. 8688781Sjake */ 8788630Sjakestruct sigcontext { 88105939Sjake sigset_t sc_mask; /* signal mask to restore */ 89105939Sjake int sc_onstack; /* sigstack state to restore */ 9088630Sjake int sc_gs; 9188630Sjake int sc_fs; 9280709Sjake int sc_es; 93182773Smarius int sc_ds; 94190107Smarius int sc_edi; 9580709Sjake int sc_esi; 9680709Sjake int sc_ebp; 9784179Sjake int sc_isp; 9884179Sjake int sc_ebx; 9980709Sjake int sc_edx; 100 int sc_ecx; 101 int sc_eax; 102 int sc_trapno; 103 int sc_err; 104 int sc_eip; 105 int sc_cs; 106 int sc_efl; 107 int sc_esp; /* machine state */ 108 int sc_ss; 109}; 110 111#define sc_sp sc_esp 112#define sc_fp sc_ebp 113#define sc_pc sc_eip 114#define sc_ps sc_efl 115#define sc_eflags sc_efl 116 117#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 118 119#endif /* !_MACHINE_SIGNAL_H_ */ 120