bsd/sys/ucontext.h

   1 /*
   2  * Copyright (c) 2002 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 <machine/ucontext.h>
  27
  28 struct ucontext {
  29         int             uc_onstack;
  30         sigset_t        uc_sigmask;     /* signal mask used by this context */
  31         stack_t         uc_stack;       /* stack used by this context */
  32         struct ucontext *uc_link;       /* pointer to resuming context */
  33         size_t          uc_mcsize;      /* size of the machine context passed in */
  34         mcontext_t      uc_mcontext;    /* machine specific context */
  35 };
  36
  37 typedef struct ucontext ucontext_t;
  38
  39 #endif /* _SYS_UCONTEXT_H_ */