2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. 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.
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
33 * @(#)signal.h 8.1 (Berkeley) 6/11/93
34 * $FreeBSD: src/sys/i386/include/signal.h,v 1.12 1999/11/12 13:52:11 marcel Exp $
37 #ifndef _CPU_SIGNAL_H_
38 #define _CPU_SIGNAL_H_
41 * Machine-dependent signal definitions
44 typedef int sig_atomic_t;
46 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
49 * XXX temporarily use a <machine/bla.h> path instead of "bla.h" so the
50 * XFree86-4-clients port, which uses -I-, builds. Use of -I- should
51 * be banned, or the option should be fixed to not screw up relative-path
55 #ifndef _SYS_SIGNAL_H_
56 #include <sys/signal.h>
58 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */
61 * Information pushed on stack when a signal is delivered.
62 * This is used by the kernel to restore state following
63 * execution of the signal handler. It is also made available
64 * to the handler to allow it to restore state properly if
65 * a non-standard exit is performed.
67 * The sequence of the fields/registers in struct sigcontext should match
68 * those in mcontext_t.
71 sigset_t sc_mask; /* signal mask to restore */
72 int sc_onstack; /* sigstack state to restore */
73 int sc_gs; /* machine state (struct trapframe): */
99 * Full FPU state is 512 bytes. Add another 16 bytes worth of spare.
101 * This field must be 16-byte aligned.
103 int sc_fpregs[128]; /* machine state (FPU): */
111 #define sc_eflags sc_efl
113 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
115 #endif /* !_CPU_SIGNAL_H_ */