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root/include/x86/signal.h

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   1 /*
   2  * Copyright (c) 1986, 1989, 1991, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   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. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  *      @(#)signal.h    8.2 (Berkeley) 5/3/95
  30  */
  32 /*
  33  * Machine-dependent signal definitions
  34  */
  36 typedef int sig_atomic_t;
  38 /*
  39  * Information pushed on stack when a signal is delivered.
  40  * This is used by the kernel to restore state following
  41  * execution of the signal handler.  It is also made available
  42  * to the handler to allow it to restore state properly if
  43  * a non-standard exit is performed.
  44  */
  45 struct  sigcontext {
  46         int     sc_onstack;     /* sigstack state to restore */
  47         int     sc_mask;        /* signal mask to restore */
  49         int     sc_gs;
  50         int     sc_fs;
  51         int     sc_es;
  52         int     sc_ds;
  53         int     sc_edi;
  54         int     sc_esi;
  55         int     sc_ebp;
  56         int     sc_ebx;
  57         int     sc_edx;
  58         int     sc_ecx;
  59         int     sc_eax;
  61         int     sc_eip;
  62         int     sc_cs;
  63         int     sc_eflags;
  64         int     sc_esp;
  65         int     sc_ss;
  66 };