FreeBSD/Linux Kernel Cross Reference
sys/i386/include/signal.h

     /*
      * Copyright (c) 1986, 1989, 1991, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
      * 1. Redistributions of source code must retain the above copyright
      *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the University of
     *      California, Berkeley and its contributors.
     * 4. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)signal.h    8.1 (Berkeley) 6/11/93
     * $FreeBSD: src/sys/i386/include/signal.h,v 1.5.4.1 1999/09/05 08:12:04 peter Exp $
     */
    
    #ifndef _MACHINE_SIGNAL_H_
    #define _MACHINE_SIGNAL_H_
    
    /*
     * Machine-dependent signal definitions
     */
    
    typedef int sig_atomic_t;
    
    #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
    
    #include <machine/trap.h>       /* codes for SIGILL, SIGFPE */
    
    /*
     * Information pushed on stack when a signal is delivered.
     * This is used by the kernel to restore state following
     * execution of the signal handler.  It is also made available
     * to the handler to allow it to restore state properly if
     * a non-standard exit is performed.
     */
    struct  sigcontext {
            int     sc_onstack;             /* sigstack state to restore */
            int     sc_mask;                /* signal mask to restore */
            int     sc_esp;                 /* machine state */
            int     sc_ebp;
            int     sc_isp;
            int     sc_eip;
            int     sc_efl;
            int     sc_es;
            int     sc_ds;
            int     sc_cs;
            int     sc_ss;
            int     sc_edi;
            int     sc_esi;
            int     sc_ebx;
            int     sc_edx;
            int     sc_ecx;
            int     sc_eax;
    #  define sc_sp sc_esp
    #  define sc_fp sc_ebp
    #  define sc_pc sc_eip
    #  define sc_ps sc_efl
    };
    
    #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
    
    #endif /* !_MACHINE_SIGNAL_H_ */

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