The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*      $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $  */
    2 
    3 /*
    4  * Copyright (c) 1992, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * Ralph Campbell.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 4. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      @(#)signal.h    8.1 (Berkeley) 6/10/93
   35  *      JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta
   36  * $FreeBSD: releng/8.4/sys/mips/include/signal.h 215938 2010-11-27 12:26:40Z jchandra $
   37  */
   38 
   39 #ifndef _MACHINE_SIGNAL_H_
   40 #define _MACHINE_SIGNAL_H_
   41 
   42 #include <sys/cdefs.h>
   43 #include <sys/_sigset.h>
   44 
   45 /*
   46  * Machine-dependent signal definitions
   47  */
   48 
   49 typedef int sig_atomic_t;
   50 
   51 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
   52 /*
   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.
   58  */
   59 
   60 struct  sigcontext {
   61         /*
   62          * The fields following 'sc_mask' must match the definition
   63          * of struct __mcontext. That way we can support
   64          * struct sigcontext and ucontext_t at the same
   65          * time.
   66          */
   67         __sigset_t      sc_mask;        /* signal mask to restore */
   68         int             sc_onstack;     /* sigstack state to restore */
   69         __register_t    sc_pc;          /* pc at time of signal */
   70         __register_t    sc_regs[32];    /* processor regs 0 to 31 */
   71         __register_t    mullo, mulhi;   /* mullo and mulhi registers... */
   72         int             sc_fpused;      /* fp has been used */
   73         f_register_t    sc_fpregs[33];  /* fp regs 0 to 31 and csr */
   74         __register_t    sc_fpc_eir;     /* fp exception instruction reg */
   75         int             xxx[8];         /* XXX reserved */ 
   76 };
   77 
   78 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
   79 
   80 #endif  /* !_MACHINE_SIGNAL_H_ */

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