2 * Copyright (c) 1986, 1989, 1991, 1993
3 * The Regents of the University of California.
4 * Copyright (c) 2008 The DragonFly Project.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
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35 * @(#)signal.h 8.1 (Berkeley) 6/11/93
36 * $FreeBSD: src/sys/i386/include/signal.h,v 1.12 1999/11/12 13:52:11 marcel Exp $
39 #ifndef _CPU_SIGNAL_H_
40 #define _CPU_SIGNAL_H_
43 * Machine-dependent signal definitions
46 typedef int sig_atomic_t;
48 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
50 #include <machine/trap.h> /* codes for SIGILL, SIGFPE */
53 * Information pushed on stack when a signal is delivered.
54 * This is used by the kernel to restore state following
55 * execution of the signal handler. It is also made available
56 * to the handler to allow it to restore state properly if
57 * a non-standard exit is performed.
59 * The sequence of the fields/registers in struct sigcontext should match
60 * those in mcontext_t.
63 sigset_t sc_mask; /* signal mask to restore */
65 long sc_onstack; /* sigstack state to restore */
93 unsigned int sc_fpformat;
94 unsigned int sc_ownedfp;
95 unsigned int sc_reserved;
96 unsigned int sc_unused[8];
99 int sc_fpregs[256]; /* 1024 bytes */
100 } __attribute__((aligned(64)));
102 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
104 #endif /* !_CPU_SIGNAL_H_ */