bsd/i386/signal.h

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (c) 1992 NeXT Computer, Inc.
  32  *
  33  */
  34
  35 #ifndef _i386_SIGNAL_
  36 #define _i386_SIGNAL_ 1
  37
  38 #ifndef _ANSI_SOURCE
  39 typedef int sig_atomic_t;
  40
  41 #ifndef _POSIX_C_SOURCE
  42
  43 #include <sys/appleapiopts.h>
  44
  45 #ifdef __APPLE_API_OBSOLETE
  46
  47 /*
  48  * Information pushed on stack when a signal is delivered.
  49  * This is used by the kernel to restore state following
  50  * execution of the signal handler.  It is also made available
  51  * to the handler to allow it to properly restore state if
  52  * a non-standard exit is performed.
  53  */
  54 struct  sigcontext {
  55     int                 sc_onstack;     /* sigstack state to restore */
  56     int                 sc_mask;        /* signal mask to restore */
  57     unsigned int        sc_eax;
  58     unsigned int        sc_ebx;
  59     unsigned int        sc_ecx;
  60     unsigned int        sc_edx;
  61     unsigned int        sc_edi;
  62     unsigned int        sc_esi;
  63     unsigned int        sc_ebp;
  64     unsigned int        sc_esp;
  65     unsigned int        sc_ss;
  66     unsigned int        sc_eflags;
  67     unsigned int        sc_eip;
  68     unsigned int        sc_cs;
  69     unsigned int        sc_ds;
  70     unsigned int        sc_es;
  71     unsigned int        sc_fs;
  72     unsigned int        sc_gs;
  73 };
  74
  75 #endif /* __APPLE_API_OBSOLETE */
  76 #endif /* ! _POSIX_C_SOURCE */
  77 #endif /* ! _ANSI_SOURCE */
  78
  79 #endif  /* _i386_SIGNAL_ */
  80