Method waitForMutex

src/jrd/MetaName.cpp:411–442

}

Dictionary::HashTable* Dictionary::waitForMutex(Jrd::Dictionary::Word** checkWordPtr)
{
	Firebird::MutexLockGuard guard(mutex, FB_FUNCTION);

#if DIC_STATS > 0
	++conflicts;
#endif

	HashTable* t = hashTable.load();
	if (!checkWordPtr)
		return t;

	// may be we already have that word in new table
	FB_SIZE_T len = (*checkWordPtr)->length();
	const char* s = (*checkWordPtr)->c_str();
	Word* word = t->getEntryByHash(s, len)->load();
	while (word)
	{
		if (word->length() == len && memcmp(word->c_str(), s, len) == 0)
		{
			// successfully found same word in new table - use it
			*checkWordPtr = word;
			// no need performing any more ops with hash table
			return nullptr;
		}
		word = word->next;
	}

	// checkWord was added to old hash table right now & is missing in new one
	// we should repeat adding it to the new hash table
	return t;
}

Dictionary::Segment::Segment()
{