705 void Tcp::ProcessSignals(Endpoint             &aEndpoint,  in ProcessSignals()  argument
710     VerifyOrExit(IsInitialized(aEndpoint) && !aEndpoint.IsClosed());  in ProcessSignals()
711     if (aSignals.conn_established && aEndpoint.mEstablishedCallback != nullptr)  in ProcessSignals()
713         aEndpoint.mEstablishedCallback(&aEndpoint);  in ProcessSignals()
716     VerifyOrExit(IsInitialized(aEndpoint) && !aEndpoint.IsClosed());  in ProcessSignals()
717     if (aEndpoint.mSendDoneCallback != nullptr)  in ProcessSignals()
727             VerifyOrExit(i == 0 || (IsInitialized(aEndpoint) && !aEndpoint.IsClosed()));  in ProcessSignals()
730             aEndpoint.mSendDoneCallback(&aEndpoint, curr);  in ProcessSignals()
735     VerifyOrExit(IsInitialized(aEndpoint) && !aEndpoint.IsClosed());  in ProcessSignals()
736     if (aEndpoint.mForwardProgressCallback != nullptr)  in ProcessSignals()
738         size_t backlogBytes = aEndpoint.GetBacklogBytes();  in ProcessSignals()
742 …      aEndpoint.mForwardProgressCallback(&aEndpoint, aEndpoint.GetSendBufferBytes(), backlogBytes);  in ProcessSignals()
743             aEndpoint.mPendingCallbacks &= ~kForwardProgressCallbackFlag;  in ProcessSignals()
747     VerifyOrExit(IsInitialized(aEndpoint) && !aEndpoint.IsClosed());  in ProcessSignals()
748 …if ((aSignals.recvbuf_added || aSignals.rcvd_fin) && aEndpoint.mReceiveAvailableCallback != nullpt…  in ProcessSignals()
750 …      aEndpoint.mReceiveAvailableCallback(&aEndpoint, cbuf_used_space(&aEndpoint.GetTcb().recvbuf),  in ProcessSignals()
751                                             aEndpoint.GetTcb().reass_fin_index != -1,  in ProcessSignals()
752                                             cbuf_free_space(&aEndpoint.GetTcb().recvbuf));  in ProcessSignals()
755     VerifyOrExit(IsInitialized(aEndpoint) && !aEndpoint.IsClosed());  in ProcessSignals()
756     if (aEndpoint.GetTcb().t_state == TCP6S_TIME_WAIT && aEndpoint.mDisconnectedCallback != nullptr)  in ProcessSignals()
758         aEndpoint.mDisconnectedCallback(&aEndpoint, OT_TCP_DISCONNECTED_REASON_TIME_WAIT);  in ProcessSignals()