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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2010 Brian Aker
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <boost/thread/mutex.hpp> |
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1823.6.3
by Brian Aker
Time out code now inserted for user locks. |
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#include <boost/thread/condition_variable.hpp> |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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#include <boost/unordered_map.hpp> |
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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#include <boost/unordered/unordered_set.hpp> |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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1933.2.7
by Brian Aker
Break out observer to its own class, same with lock. |
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#include "plugin/user_locks/lock.h" |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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#include <string> |
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#include "drizzled/session.h" |
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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#include "drizzled/util/string.h" |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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#ifndef PLUGIN_USER_LOCKS_LOCKS_H
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#define PLUGIN_USER_LOCKS_LOCKS_H
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namespace user_locks { |
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1955.1.2
by Brian Aker
Update such that we can now do a lock test with a wait. |
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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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1823.6.6
by Brian Aker
Added a table function to see locks, updated some tests to see the |
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const size_t LARGEST_LOCK_NAME= 64; |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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class Locks |
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{
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1823.6.6
by Brian Aker
Added a table function to see locks, updated some tests to see the |
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public: |
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1933.2.7
by Brian Aker
Break out observer to its own class, same with lock. |
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typedef boost::unordered_map<user_locks::Key, user_locks::Lock::shared_ptr> LockMap; |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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static Locks &getInstance(void) |
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{
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static Locks instance; |
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return instance; |
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}
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1955.1.1
by Brian Aker
Finally added pieces so that you can do a drop lock and wait. |
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void waitCreate(int64_t wait_for= 2); // Default is to wait 2 seconds before returning |
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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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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1955.1.2
by Brian Aker
Update such that we can now do a lock test with a wait. |
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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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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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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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1823.6.6
by Brian Aker
Added a table function to see locks, updated some tests to see the |
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void Copy(LockMap &lock_map); |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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private: |
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boost::mutex mutex; |
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1955.1.1
by Brian Aker
Finally added pieces so that you can do a drop lock and wait. |
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boost::condition_variable create_cond; // Signal next |
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boost::condition_variable release_cond; |
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1823.6.1
by Brian Aker
First pass through adding back user_locks. |
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LockMap lock_map; |
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};
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} /* namespace user_locks */ |
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#endif /* PLUGIN_USER_LOCKS_LOCKS_H */ |