1 /* $NetBSD: signal.h,v 1.31 2021/10/29 01:04:53 thorpej 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)signal.h 7.16 (Berkeley) 3/17/91 32 */ 33 34 #ifndef _I386_SIGNAL_H_ 35 #define _I386_SIGNAL_H_ 36 37 #include <sys/featuretest.h> 38 39 typedef int sig_atomic_t; 40 41 #define __HAVE_STRUCT_SIGCONTEXT 42 43 #if defined(_NETBSD_SOURCE) 44 /* 45 * Get the "code" values 46 */ 47 #include <machine/trap.h> 48 49 #if defined(_KERNEL) 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 sigcontext13 { 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 (old style) */ 78 79 int sc_trapno; /* XXX should be above */ 80 int sc_err; 81 }; 82 83 struct sigcontext { 84 int sc_gs; 85 int sc_fs; 86 int sc_es; 87 int sc_ds; 88 int sc_edi; 89 int sc_esi; 90 int sc_ebp; 91 int sc_ebx; 92 int sc_edx; 93 int sc_ecx; 94 int sc_eax; 95 /* XXX */ 96 int sc_eip; 97 int sc_cs; 98 int sc_eflags; 99 int sc_esp; 100 int sc_ss; 101 102 int sc_onstack; /* sigstack state to restore */ 103 int __sc_mask13; /* signal mask to restore (old style) */ 104 105 int sc_trapno; /* XXX should be above */ 106 int sc_err; 107 108 sigset_t sc_mask; /* signal mask to restore (new style) */ 109 }; 110 #endif /* _KERNEL */ 111 112 #endif /* _NETBSD_SOURCE */ 113 #endif /* !_I386_SIGNAL_H_ */ 114