1 /* $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $ */ 2 3 /* 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 1992, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Ralph Campbell. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)signal.h 8.1 (Berkeley) 6/10/93 37 * JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta 38 * $FreeBSD$ 39 */ 40 41 #ifndef _MACHINE_SIGNAL_H_ 42 #define _MACHINE_SIGNAL_H_ 43 44 #include <sys/cdefs.h> 45 #include <sys/_sigset.h> 46 47 /* 48 * Machine-dependent signal definitions 49 */ 50 51 typedef int sig_atomic_t; 52 53 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 54 /* 55 * Information pushed on stack when a signal is delivered. 56 * This is used by the kernel to restore state following 57 * execution of the signal handler. It is also made available 58 * to the handler to allow it to restore state properly if 59 * a non-standard exit is performed. 60 */ 61 62 struct sigcontext { 63 /* 64 * The fields following 'sc_mask' must match the definition 65 * of struct __mcontext. That way we can support 66 * struct sigcontext and ucontext_t at the same 67 * time. 68 */ 69 __sigset_t sc_mask; /* signal mask to restore */ 70 int sc_onstack; /* sigstack state to restore */ 71 __register_t sc_pc; /* pc at time of signal */ 72 __register_t sc_regs[32]; /* processor regs 0 to 31 */ 73 __register_t sr; /* status register */ 74 __register_t mullo, mulhi; /* mullo and mulhi registers... */ 75 int sc_fpused; /* fp has been used */ 76 f_register_t sc_fpregs[33]; /* fp regs 0 to 31 and csr */ 77 __register_t sc_fpc_eir; /* fp exception instruction reg */ 78 void *sc_tls; /* pointer to TLS area */ 79 int __spare__[8]; /* XXX reserved */ 80 }; 81 82 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 83 84 #endif /* !_MACHINE_SIGNAL_H_ */ 85