bsd/i386/signal.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1992 NeXT Computer, Inc.
  27  *
  28  */
  29
  30 #ifndef _i386_SIGNAL_
  31 #define _i386_SIGNAL_ 1
  32
  33 #include <sys/appleapiopts.h>
  34
  35 #ifdef __APPLE_API_OBSOLETE
  36 typedef int sig_atomic_t;
  37
  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 properly restore state 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 */
  48     unsigned int        sc_eax;
  49     unsigned int        sc_ebx;
  50     unsigned int        sc_ecx;
  51     unsigned int        sc_edx;
  52     unsigned int        sc_edi;
  53     unsigned int        sc_esi;
  54     unsigned int        sc_ebp;
  55     unsigned int        sc_esp;
  56     unsigned int        sc_ss;
  57     unsigned int        sc_eflags;
  58     unsigned int        sc_eip;
  59     unsigned int        sc_cs;
  60     unsigned int        sc_ds;
  61     unsigned int        sc_es;
  62     unsigned int        sc_fs;
  63     unsigned int        sc_gs;
  64 };
  65
  66 #endif /* __APPLE_API_OBSOLETE */
  67
  68 #endif  /* _i386_SIGNAL_ */
  69