Method houseKeeping

src/jrd/ThreadCollect.h:104–127

		}

		void houseKeeping()
		{
			if (threads.empty())
				return;

			// join finished threads
			AllThreads finished(threads.get_allocator());
			{ // mutex scope
				Firebird::MutexLockGuard g(threadsMutex, FB_FUNCTION);

				for (auto n = threads.begin(); n != threads.end(); )
				{
					if (n->ending)
					{
						finished.push_back(std::move(*n));
						n = threads.erase(n);
					}
					else
						++n;
				}
			}

			waitFor(finished);
		}

	private:
		struct Thrd