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

     /*      $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $  */
     
     /*
      * Copyright (c) 1992, 1993
      *      The Regents of the University of California.  All rights reserved.
      *
      * This code is derived from software contributed to Berkeley by
      * Ralph Campbell.
      *
     * 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.
     * 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) 6/10/93
     *      JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta
     * $FreeBSD: releng/8.0/sys/mips/include/signal.h 178172 2008-04-13 07:27:37Z imp $
     */
    
    #ifndef _MACHINE_SIGNAL_H_
    #define _MACHINE_SIGNAL_H_
    
    #include <sys/cdefs.h>
    #include <sys/_sigset.h>
    
    /*
     * Machine-dependent signal definitions
     */
    
    typedef int sig_atomic_t;
    
    #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
    /*
     * 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 {
            /*
             * The fields following 'sc_mask' must match the definition
             * of struct __mcontext. That way we can support
             * struct sigcontext and ucontext_t at the same
             * time.
             */
            __sigset_t      sc_mask;        /* signal mask to restore */
            int             sc_onstack;     /* sigstack state to restore */
            __register_t    sc_pc;          /* pc at time of signal */
            __register_t    sc_regs[32];    /* processor regs 0 to 31 */
            __register_t    mullo, mulhi;   /* mullo and mulhi registers... */
            int             sc_fpused;      /* fp has been used */
            f_register_t    sc_fpregs[33];  /* fp regs 0 to 31 and csr */
            __register_t    sc_fpc_eir;     /* fp exception instruction reg */
            int             xxx[8];         /* XXX reserved */ 
    };
    
    #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
    
    #endif  /* !_MACHINE_SIGNAL_H_ */

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