src/dyldLibSystemThreadHelpers.h

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2004-2005 Apple Computer, Inc. All rights reserved.
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   7  * This file contains Original Code and/or Modifications of Original Code
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   9  * Version 2.0 (the 'License'). You may not use this file except in
  10  * compliance with the License. Please obtain a copy of the License at
  11  * http://www.opensource.apple.com/apsl/ and read it before using this
  12  * file.
  13  *
  14  * The Original Code and all software distributed under the License are
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  24
  25
  26 #ifndef __DYLDLIBSYSTEMHELPERS__
  27 #define __DYLDLIBSYSTEMHELPERS__
  28
  29 #include <stdint.h>
  30
  31
  32 namespace dyld {
  33         //
  34         // This file contains the synchronization utilities used by dyld to be thread safe.
  35         // This struct is implemented in in libSystem (where pthreads is available)
  36         // and passed to dyld to use.
  37         //
  38         struct ThreadingHelpers
  39         {
  40                 uintptr_t       version;
  41                 void            (*lockForReading)();
  42                 void            (*unlockForReading)();
  43                 char*           (*getThreadBufferFor_dlerror)(uint32_t sizeRequired);
  44         };
  45 };
  46
  47
  48
  49
  50
  51 #endif // __DYLDLIBSYSTEMHELPERS__
  52