File: /usr/include/sys/_types/_ucontext.h

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       1: /*
       2:  * Copyright (c) 2003-2012 Apple 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: #ifndef _STRUCT_UCONTEXT
      29: #if __DARWIN_UNIX03
      30: #define _STRUCT_UCONTEXT    struct __darwin_ucontext
      31: #else /* !__DARWIN_UNIX03 */
      32: #define _STRUCT_UCONTEXT    struct ucontext
      33: #endif /* __DARWIN_UNIX03 */
      34: _STRUCT_UCONTEXT
      35: {
      36:     int                     uc_onstack;
      37:     __darwin_sigset_t       uc_sigmask;     /* signal mask used by this context */
      38:     _STRUCT_SIGALTSTACK     uc_stack;       /* stack used by this context */
      39:     _STRUCT_UCONTEXT        *uc_link;       /* pointer to resuming context */
      40:     __darwin_size_t            uc_mcsize;      /* size of the machine context passed in */
      41:     _STRUCT_MCONTEXT        *uc_mcontext;   /* pointer to machine specific context */
      42: #ifdef _XOPEN_SOURCE
      43:     _STRUCT_MCONTEXT        __mcontext_data;
      44: #endif /* _XOPEN_SOURCE */
      45: };
      46: 
      47: /* user context */
      48: typedef _STRUCT_UCONTEXT    ucontext_t;     /* [???] user context */    
      49: 
      50: #endif /* _STRUCT_UCONTEXT */
      51: