message: issue fix dead lock for
diff: @@ -175,6 +175,7 @@ OP_NAMESPACE_BEGIN
  const KeyPrefix& ready_key = *sit;
  {
  LockGuard<SpinMutexLock> block_guard(m_block_keys_lock);
  + ctx.flags.block_keys_locked = 1;
  BlockedContextTable::iterator fit = m_blocked_ctxs.find(ready_key);
  if (fit != m_blocked_ctxs.end())
  {
  