bsd/sys/ucontext.h

   1 /*
   2  * Copyright (c) 2002-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #ifndef _SYS_UCONTEXT_H_
  24 #define _SYS_UCONTEXT_H_
  25
  26 #include <sys/cdefs.h>
  27 #include <sys/_types.h>
  28 #include <machine/ucontext.h>
  29
  30 #ifndef _SIGSET_T
  31 #define _SIGSET_T
  32 typedef __darwin_sigset_t       sigset_t;
  33 #endif
  34
  35 #ifndef _STACK_T
  36 #define _STACK_T
  37 typedef __darwin_stack_t        stack_t;
  38 #endif
  39
  40 #ifndef _UCONTEXT_T
  41 #define _UCONTEXT_T
  42 #ifndef _POSIX_C_SOURCE
  43 typedef struct ucontext         ucontext_t;
  44 #else /* _POSIX_C_SOURCE */
  45 typedef struct __darwin_ucontext ucontext_t;
  46 #endif /* _POSIX_C_SOURCE */
  47 #endif
  48
  49 #ifndef _POSIX_C_SOURCE
  50 #ifndef _UCONTEXT64_T
  51 #define _UCONTEXT64_T
  52 typedef struct ucontext64       ucontext64_t;
  53 #endif
  54 #endif /* _POSIX_C_SOURCE */
  55
  56 #ifdef KERNEL
  57 #include <machine/types.h>      /* user_addr_t, user_size_t */
  58
  59 /* kernel representation of struct ucontext64 for 64 bit processes */
  60 struct user_ucontext64 {
  61         int                             uc_onstack;
  62         sigset_t                        uc_sigmask;     /* signal mask */
  63         struct user_sigaltstack         uc_stack;       /* stack */
  64         user_addr_t                     uc_link;        /* ucontext pointer */
  65         user_size_t                     uc_mcsize;      /* mcontext size */
  66         user_addr_t                     uc_mcontext64;  /* machine context */
  67 };
  68
  69 typedef struct user_ucontext64 user_ucontext64_t;
  70 #endif  /* KERNEL */
  71
  72 #endif /* _SYS_UCONTEXT_H_ */