1 /* $NetBSD: signal.h,v 1.7 1996/03/19 04:22:04 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)signal.h 8.1 (Berkeley) 6/10/93 39 */ 40 41 /* 42 * Machine-dependent signal definitions 43 */ 44 45 typedef int sig_atomic_t; 46 47 #ifndef _ANSI_SOURCE 48 /* 49 * Information pushed on stack when a signal is delivered. 50 * This is used by the kernel to restore state following 51 * execution of the signal handler. It is also made available 52 * to the handler to allow it to restore state properly if 53 * a non-standard exit is performed. 54 */ 55 struct sigcontext { 56 int sc_onstack; /* sigstack state to restore */ 57 int sc_mask; /* signal mask to restore */ 58 int sc_pc; /* pc at time of signal */ 59 int sc_regs[32]; /* processor regs 0 to 31 */ 60 int mullo, mulhi; /* mullo and mulhi registers... */ 61 int sc_fpused; /* fp has been used */ 62 int sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 63 int sc_fpc_eir; /* floating point exception instruction reg */ 64 int sc_xxx[8]; /* XXX reserved */ 65 }; 66 67 #endif /* !_ANSI_SOURCE */ 68