Colony

/* 

   +----------------------------------------------------------------------+

   | PHP Version 5                                                        |

   +----------------------------------------------------------------------+

   | Copyright (c) 1997-2008 The PHP Group                                |

   +----------------------------------------------------------------------+

   | This source file is subject to version 3.01 of the PHP license,      |

   | that is bundled with this package in the file LICENSE, and is        |

   | available through the world-wide-web at the following url:           |

   | http://www.php.net/license/3_01.txt                                  |

   | If you did not receive a copy of the PHP license and are unable to   |

   | obtain it through the world-wide-web, please send a note to          |

   | license@php.net so we can mail you a copy immediately.               |

   +----------------------------------------------------------------------+

   | Author: Tom May <tom@go2net.com>                                     |

   +----------------------------------------------------------------------+

*/

/* $Id: php_sysvsem.h,v 1.16.2.1.2.2 2007/12/31 07:20:13 sebastian Exp $ */

#ifndef PHP_SYSVSEM_H

#define PHP_SYSVSEM_H

#include <stdexcept>

#include <string>

struct sysvsem_error : public std::runtime_error

{

    sysvsem_error(const std::string& msg) : runtime_error(msg){}

};

class sysvsem {

private:

        //int id;                                                /* For error reporting. */

        int key;                                        /* For error reporting. */

        int semid;                                        /* Returned by semget(). */

        int count;                                        /* Acquire count for auto-release. */

        int auto_release;                        /* flag that says to auto-release. */

        int php_sysvsem_semop(int acquire);

public:

        sysvsem(long key, long max_acquire = 1, long perm = 0666, long auto_release = 1) throw (sysvsem_error);

        ~sysvsem();

        int sem_acquire();

        int sem_release();

        int sem_remove();

};

#endif /* PHP_SYSVSEM_H */