1 /* $NetBSD: signal.h,v 1.6 1996/01/08 13:51:43 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)signal.h 7.16 (Berkeley) 3/17/91 36 */ 37 38 #ifndef _I386_SIGNAL_H_ 39 #define _I386_SIGNAL_H_ 40 41 typedef int sig_atomic_t; 42 43 #ifndef _ANSI_SOURCE 44 /* 45 * Get the "code" values 46 */ 47 #include <machine/trap.h> 48 49 /* 50 * Information pushed on stack when a signal is delivered. 51 * This is used by the kernel to restore state following 52 * execution of the signal handler. It is also made available 53 * to the handler to allow it to restore state properly if 54 * a non-standard exit is performed. 55 */ 56 struct sigcontext { 57 int sc_gs; 58 int sc_fs; 59 int sc_es; 60 int sc_ds; 61 int sc_edi; 62 int sc_esi; 63 int sc_ebp; 64 int sc_ebx; 65 int sc_edx; 66 int sc_ecx; 67 int sc_eax; 68 /* XXX */ 69 int sc_eip; 70 int sc_cs; 71 int sc_eflags; 72 int sc_esp; 73 int sc_ss; 74 75 int sc_onstack; /* sigstack state to restore */ 76 int sc_mask; /* signal mask to restore */ 77 78 int sc_trapno; /* XXX should be above */ 79 int sc_err; 80 }; 81 82 #define sc_sp sc_esp 83 #define sc_fp sc_ebp 84 #define sc_pc sc_eip 85 #define sc_ps sc_eflags 86 87 #endif /* !_ANSI_SOURCE */ 88 #endif /* !_I386_SIGNAL_H_ */ 89