this function sets the read timeout for the socket associated with a netmgr handle and, if the timer is running, resets it. for TCPDNS sockets it also sets the read timeout and resets the timer on the outer TCP socket.
this function sets the read timeout for the socket associated with a netmgr handle and, if the timer is running, resets it. for TCPDNS sockets it also sets the read timeout and resets the timer on the outer TCP socket.