signal_handler_registered_  191 sync/engine/net/server_connection_manager.cc   signal_handler_registered_ = cancelation_signal_->TryRegisterHandler(this);
signal_handler_registered_  192 sync/engine/net/server_connection_manager.cc   if (!signal_handler_registered_) {
signal_handler_registered_  201 sync/engine/net/server_connection_manager.cc   if (signal_handler_registered_) {
signal_handler_registered_  332 sync/engine/net/server_connection_manager.h   bool signal_handler_registered_;