Method ~LockManager

src/lock/lock.cpp:211–274

LockManager::~LockManager()
{
	const SRQ_PTR process_offset = m_processOffset;

	{ // guardian's scope
		LockTableGuard guard(this, FB_FUNCTION);
		m_processOffset = 0;
	}

	LocalStatus ls;
	CheckStatusWrapper localStatus(&ls);

	if (m_process)
	{
		if (m_useBlockingThread)
		{
			// Wait for AST thread to start (or 5 secs)
			m_startupSemaphore.tryEnter(5);

			// Wakeup the AST thread - it might be blocking
			(void)  // Ignore errors in dtor()
			m_sharedMemory->eventPost(&m_process->prc_blocking);

			// Wait for the AST thread to finish cleanup or for 5 seconds
			m_cleanupSync.waitForCompletion();
		}

#ifdef HAVE_OBJECT_MAP
		m_sharedMemory->unmapObject(&localStatus, &m_process);
#else
		m_process = NULL;
#endif
	}

	{ // guardian's scope
		LockTableGuard guard(this, FB_FUNCTION, DUMMY_OWNER);

		if (process_offset)
		{
			prc* const process = (prc*) SRQ_ABS_PTR(process_offset);
			purge_process(process);
		}

		if (m_sharedMemory->getHeader() && SRQ_EMPTY(m_sharedMemory->getHeader()->lhb_processes))
		{
			PathName name;
			get_shared_file_name(name);
			m_sharedMemory->removeMapFile();
#ifdef USE_SHMEM_EXT
			for (ULONG i = 1; i < m_extents.getCount(); ++i)
			{
				m_extents[i].removeMapFile();
			}
#endif //USE_SHMEM_EXT
		}
	}

#ifdef USE_SHMEM_EXT