bsd/sys/ucontext.h

   1 /*
   2  * Copyright (c) 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 #ifndef _SYS_UCONTEXT_H_
  27 #define _SYS_UCONTEXT_H_
  28
  29 #include <machine/ucontext.h>
  30
  31 struct ucontext {
  32         int             uc_onstack;
  33         sigset_t        uc_sigmask;     /* signal mask used by this context */
  34         stack_t         uc_stack;       /* stack used by this context */
  35         struct ucontext *uc_link;       /* pointer to resuming context */
  36         size_t          uc_mcsize;      /* size of the machine context passed in */
  37         mcontext_t      uc_mcontext;    /* machine specific context */
  38 };
  39
  40
  41 typedef struct ucontext ucontext_t;
  42
  43 struct ucontext64 {
  44         int             uc_onstack;
  45         sigset_t        uc_sigmask;     /* signal mask used by this context */
  46         stack_t         uc_stack;       /* stack used by this context */
  47         struct ucontext *uc_link;       /* pointer to resuming context */
  48         size_t          uc_mcsize;      /* size of the machine context passed in */
  49         mcontext64_t    uc_mcontext64;  /* machine specific context */
  50 };
  51
  52 typedef struct ucontext64 ucontext64_t;
  53
  54 #endif /* _SYS_UCONTEXT_H_ */