bsd/i386/signal.h

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