1 /* $OpenBSD: signal.h,v 1.1 1998/06/23 19:45:27 mickey Exp $ */ 2 3 /* 4 * Copyright (c) 1994, The University of Utah and 5 * the Computer Systems Laboratory at the University of Utah (CSL). 6 * All rights reserved. 7 * 8 * Permission to use, copy, modify and distribute this software is hereby 9 * granted provided that (1) source code retains these copyright, permission, 10 * and disclaimer notices, and (2) redistributions including binaries 11 * reproduce the notices in supporting documentation, and (3) all advertising 12 * materials mentioning features or use of this software display the following 13 * acknowledgement: ``This product includes software developed by the 14 * Computer Systems Laboratory at the University of Utah.'' 15 * 16 * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS 17 * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF 18 * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * CSL requests users of this software to return to csl-dist@cs.utah.edu any 21 * improvements that they make and grant CSL redistribution rights. 22 * 23 * Utah $Hdr: signal.h 1.3 94/12/16$ 24 */ 25 26 /* 27 * Machine-dependent signal definitions 28 */ 29 30 typedef int sig_atomic_t; 31 32 #ifndef _POSIX_SOURCE 33 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */ 34 #endif 35 36 /* 37 * Information pushed on stack when a signal is delivered. 38 * This is used by the kernel to restore state following 39 * execution of the signal handler. It is also made available 40 * to the handler to allow it to restore state properly if 41 * a non-standard exit is performed. 42 */ 43 struct sigcontext { 44 int sc_onstack; /* sigstack state to restore */ 45 int sc_mask; /* signal mask to restore */ 46 int sc_sp; /* sp to restore */ 47 int sc_fp; /* fp to restore */ 48 int sc_ap; /* ap to restore */ 49 int sc_pcsqh; /* pc space queue (head) to restore */ 50 int sc_pcoqh; /* pc offset queue (head) to restore */ 51 int sc_pcsqt; /* pc space queue (tail) to restore */ 52 int sc_pcoqt; /* pc offset queue (tail) to restore */ 53 int sc_ps; /* psl to restore */ 54 }; 55