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Class: IPC Shared Memory


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IPC Shared Memory
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  Supplied by   Group folder image Groups   Detailed description   Freshmeat project  
  Dependents   Applications   Files Files  

  • Supplied by:

    • Picture of Craig Manley
    Name: Craig Manley <e-mail contact>
    Published packages: 5
    Country: The Netherlands The Netherlands - PHP professionals from The Netherlands looking for PHP jobs
    Home page: ???

    Browse this author's classes

  • Innovation Award:

    • PHP Programming Innovation award nominee
    January 2005
    Number 3
    		 Using shared memory is a solution for exchanging information between two or more processes or programs, that may or may not be running at the same time, in the same computer or even in different computers.

    The uses of shared memory can be for instance: accessing to information application variables, exchanging messages between programs, etc..

    Depending on the requirements of the applications that can benefit from its use, shared memory can be implemented using for instance OS specific shared memory extensions, memory mapped files and database accessible remotely via a network.

    This class implements an abstracted solution that provides a single interface for accessing storing and retrieving information from different types of shared memory containers, thus making it possible to switch between container types as the requirements of an application evolve.

    Manuel Lemos

  • Groups:

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    Classes using PHP 5 specific features
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    Information about servers, processes and operating system facilities
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  • Detailed description:

    • This is a package that can be used to share information between different processes using several types of shared memory containers.

    A few shared memory container classes are provided implementing the same interface: file based, SysV shm, MySQL record.

    The interface has functions for atomically fetching or storing shared memory data and also functions to start or finish transactions that allow multiple read or write access operations to be safely execute assuring the necessary integrity.

  • Freshmeat project:

    • Project record: ipc_sharedmem
    Rating: Please rate this class in Freshmeat

  • Packages that need this class:

    • Class Dependency Why it is needed
    Authen_DAP
    Required
    for shared memory

  • Applications that use this class:

    • No application links were specified for this class.
    Add link image If you know an application of this package, send a message to the author to add a link here.

  • Files:

    • File Role Description
    Plain text file File.php Class
    File based shared memory class.
    Plain text file MySQL.php Class
    MySQL based shared memory class.
    Plain text file README.TXT Doc.
    Instructions
    Plain text file SharedMem.php Class
    Common Interface class.
    Plain text file ShmOp.php Class
    PHP shmop and sysvsem extensions based shared memory class.
    Plain text file tfile_atomic.php Example
    Example/test script for IPC_SharedMem_File class.
    Plain text file tfile_trans.php Example
    Example/test script for IPC_SharedMem_File class.
    Plain text file tmysql_atomic.php Example
    Example/test script for IPC_SharedMem_MySQL class.
    Plain text file tmysql_trans.php Example
    Example/test script for IPC_SharedMem_MySQL class.
    Plain text file tshmop_atomic.php Example
    Example/test script for IPC_SharedMem_ShmOp class.
    Plain text file tshmop_trans.php Example
    Example/test script for IPC_SharedMem_ShmOp class.
    Download all files: ipc_sharedmem.tar.gz ipc_sharedmem.zip
    NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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