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Viewing changes to plugin/user_locks/locks.h

  • Committer: Brian Aker
  • Date: 2010-11-27 13:38:27 UTC
  • mfrom: (1955.1.3 quick)
  • Revision ID: brian@tangent.org-20101127133827-fowoi26sizq1zneg
Rollup of staging, mostly UDL

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plugin/user_locks/locks.h
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/condition_variable.hpp>
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#include <boost/unordered_map.hpp>
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#include <boost/logic/tribool.hpp>
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#include <boost/unordered/unordered_set.hpp>
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#include "plugin/user_locks/lock.h"
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namespace user_locks {
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namespace locks {
 
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  enum return_t {
 
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    SUCCESS,
 
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    NOT_FOUND,
 
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    NOT_OWNED_BY
 
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  };
 
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} /* locks user_locks */
 
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const size_t LARGEST_LOCK_NAME= 64;
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class Locks
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    return instance;
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  }
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  bool lock(drizzled::session_id_t id_arg, const user_locks::Key &arg);
 
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  void waitCreate(int64_t wait_for= 2); // Default is to wait 2 seconds before returning
 
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  bool lock(drizzled::session_id_t id_arg, const user_locks::Key &arg, int64_t wait_for= 0);
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  bool lock(drizzled::session_id_t id_arg, const user_locks::Keys &arg);
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  boost::tribool release(const user_locks::Key &arg, drizzled::session_id_t &id_arg);
 
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  locks::return_t release(const user_locks::Key &arg, drizzled::session_id_t &id_arg, bool and_wait= false);
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  bool isFree(const user_locks::Key &arg);
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  bool isUsed(const user_locks::Key &arg, drizzled::session_id_t &id_arg);
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  void Copy(LockMap &lock_map);
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private:
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  boost::mutex mutex;
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  boost::condition_variable cond;
 
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  boost::condition_variable create_cond; // Signal next 
 
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  boost::condition_variable release_cond;
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  LockMap lock_map; 
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};
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