i/imagemagick/imagemagick-7-doc_7.1.2.35%2Bdfsg1-1_all.deb

// This may look like C code, but it is really -*- C++ -*-

//

// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002

//

// Copyright @ 2014 ImageMagick Studio LLC, a non-profit organization

// dedicated to making software imaging solutions freely available.

//

// Blob reference class

//

// This is an internal implementation class that should not be

// accessed by users.

//


#if !defined(Magick_Blob_header)

#define Magick_Blob_header


#include "Magick++/Include.h"

#include "Magick++/Thread.h"

#include "Magick++/Blob.h"


namespace Magick

{


   23  class BlobRef

  {

  public:


    // Construct with data, making private copy of data

    BlobRef(const void* data_,const size_t length_);


    // Destructor (actually destroys data)

    ~BlobRef(void);


    // Decreases reference count and return the new count

    size_t decrease();


    // Increases reference count

    void increase();


    Blob::Allocator allocator; // Memory allocation system in use

    size_t          length;    // Blob length

    void*           data;      // Blob data


  private:

    // Copy constructor and assignment are not supported

    BlobRef(const BlobRef&);


    MutexLock _mutexLock; // Mutex lock

    size_t    _refCount;  // Reference count

  };


} // namespace Magick


#endif // Magick_Blob_header

Magick::MutexLock
Definition Thread.h:32