granicus.if.org Git - icinga2/blob - lib/base/objectlock.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/)        *
   4  *                                                                            *
   5  * This program is free software; you can redistribute it and/or              *
   6  * modify it under the terms of the GNU General Public License                *
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   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
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  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
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  16  * along with this program; if not, write to the Free Software Foundation     *
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "i2-base.h"
  21
  22 using namespace icinga;
  23
  24 ObjectLock::ObjectLock(void)
  25         : m_Object(NULL), m_Lock()
  26 { }
  27
  28 ObjectLock::~ObjectLock(void)
  29 {
  30         Unlock();
  31 }
  32
  33 ObjectLock::ObjectLock(const Object::Ptr& object)
  34         : m_Object(object.get()), m_Lock()
  35 {
  36         if (m_Object)
  37                 Lock();
  38 }
  39
  40 ObjectLock::ObjectLock(const Object *object)
  41         : m_Object(object), m_Lock()
  42 {
  43         if (m_Object)
  44                 Lock();
  45 }
  46
  47 void ObjectLock::Lock(void)
  48 {
  49         assert(!m_Lock.owns_lock() && m_Object != NULL);
  50         assert(!m_Object->OwnsLock());
  51
  52         m_Lock = Object::MutexType::scoped_lock(m_Object->m_Mutex);
  53
  54 #ifdef _DEBUG
  55         {
  56                 boost::mutex::scoped_lock lock(Object::m_DebugMutex);
  57                 m_Object->m_Locked = true;
  58                 m_Object->m_LockOwner = boost::this_thread::get_id();
  59         }
  60 #endif /* _DEBUG */
  61 }
  62
  63 void ObjectLock::Unlock(void)
  64 {
  65 #ifdef _DEBUG
  66         {
  67                 boost::mutex::scoped_lock lock(Object::m_DebugMutex);
  68
  69                 if (m_Lock.owns_lock())
  70                         m_Object->m_Locked = false;
  71         }
  72 #endif /* _DEBUG */
  73
  74         m_Lock = Object::MutexType::scoped_lock();
  75 }