1 /* $OpenBSD: signal.h,v 1.2 2017/03/12 17:57:12 kettenis Exp $ */ 2 /* 3 * Copyright (c) 1992, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Ralph Campbell. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)signal.h 8.1 (Berkeley) 6/10/93 34 */ 35 36 #ifndef _MACHINE_SIGNAL_H_ 37 #define _MACHINE_SIGNAL_H_ 38 39 #include <sys/cdefs.h> 40 41 typedef int sig_atomic_t; 42 43 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 44 /* 45 * Information pushed on stack when a signal is delivered. 46 * This is used by the kernel to restore state following 47 * execution of the signal handler. It is also made available 48 * to the handler to allow it to restore state properly if 49 * a non-standard exit is performed. 50 */ 51 struct sigcontext { 52 int __sc_unused; 53 int sc_mask; /* signal mask to restore */ 54 55 unsigned long sc_sp; 56 unsigned long sc_lr; 57 unsigned long sc_elr; 58 unsigned long sc_spsr; 59 unsigned long sc_x[30]; 60 61 long sc_cookie; 62 }; 63 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 64 #endif /* !_MACHINE_SIGNAL_H_ */ 65