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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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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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1823.6.8
by Brian Aker
Fix lint issue. |
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#ifndef PLUGIN_USER_LOCKS_LOCK_STORAGE_H
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#define PLUGIN_USER_LOCKS_LOCK_STORAGE_H
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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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#include "drizzled/session.h" |
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#include <boost/unordered_set.hpp> |
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namespace user_locks { |
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/*
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We a storable to track any locks we might have open so that if we are disconnected before we release the locks, we release the locks during the deconstruction of Session.
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*/
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class Storable : public drizzled::util::Storable { |
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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Keys list_of_locks; |
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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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drizzled::session_id_t id; |
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public: |
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Storable(drizzled::session_id_t id_arg) : |
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id(id_arg) |
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{
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}
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~Storable() |
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{
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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erase_all(); |
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}
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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void insert(const Key &arg) |
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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{
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list_of_locks.insert(arg); |
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}
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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bool erase(const Key &arg) |
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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{
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1823.6.5
by Brian Aker
Added get_locks() and release_locks(); |
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return boost::lexical_cast<bool>(list_of_locks.erase(arg)); |
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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}
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1823.6.5
by Brian Aker
Added get_locks() and release_locks(); |
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// An assert() should be added so that we can test to make sure the locks
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// are what we think they are (i.e. test the result of release())
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int64_t erase_all() |
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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{
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1823.6.5
by Brian Aker
Added get_locks() and release_locks(); |
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int64_t count= list_of_locks.size(); |
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1823.6.7
by Brian Aker
Cleans up namespace for locks (now per user). |
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for (Keys::iterator iter= list_of_locks.begin(); |
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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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iter != list_of_locks.end(); iter++) |
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{
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(void)user_locks::Locks::getInstance().release(*iter, id); |
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}
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1823.6.4
by Brian Aker
Enables the MySQL behavior where if you take a lock with get_lock(), you |
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list_of_locks.clear(); |
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1823.6.5
by Brian Aker
Added get_locks() and release_locks(); |
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return count; |
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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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}
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1823.6.5
by Brian Aker
Added get_locks() and release_locks(); |
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1823.6.2
by Brian Aker
Solves the "dangling lock" problem. |
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};
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} /* namespace user_locks */ |
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1823.6.8
by Brian Aker
Fix lint issue. |
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#endif /* PLUGIN_USER_LOCKS_LOCK_STORAGE_H */ |