1 /* $OpenBSD: signal.h,v 1.6 2006/01/08 14:20:17 millert Exp $ */ 2 /* $NetBSD: signal.h,v 1.6 1996/01/08 13:51:43 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)signal.h 7.16 (Berkeley) 3/17/91 33 */ 34 35 #ifndef _I386_SIGNAL_H_ 36 #define _I386_SIGNAL_H_ 37 38 #include <sys/cdefs.h> 39 40 typedef int sig_atomic_t; 41 42 #if __BSD_VISIBLE 43 /* 44 * Get the "code" values 45 */ 46 #include <machine/trap.h> 47 #endif 48 49 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 50 /* 51 * Information pushed on stack when a signal is delivered. 52 * This is used by the kernel to restore state following 53 * execution of the signal handler. It is also made available 54 * to the handler to allow it to restore state properly if 55 * a non-standard exit is performed. 56 */ 57 struct sigcontext { 58 int sc_gs; 59 int sc_fs; 60 int sc_es; 61 int sc_ds; 62 int sc_edi; 63 int sc_esi; 64 int sc_ebp; 65 int sc_ebx; 66 int sc_edx; 67 int sc_ecx; 68 int sc_eax; 69 /* XXX */ 70 int sc_eip; 71 int sc_cs; 72 int sc_eflags; 73 int sc_esp; 74 int sc_ss; 75 76 int sc_onstack; /* sigstack state to restore */ 77 int sc_mask; /* signal mask to restore */ 78 79 int sc_trapno; /* XXX should be above */ 80 int sc_err; 81 }; 82 83 #define sc_sp sc_esp 84 #define sc_fp sc_ebp 85 #define sc_pc sc_eip 86 #define sc_ps sc_eflags 87 88 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 89 #endif /* !_I386_SIGNAL_H_ */ 90