hg: dio/dev: 8130236: UART.write is non-blocking

[sergey.nazarkin at oracle.com]

Changeset: 6fe0b4719c4d
Author:    snazarki
Date:      2015-07-03 19:54 +0300
URL:       http://hg.openjdk.java.net/dio/dev/rev/6fe0b4719c4d

8130236: UART.write is non-blocking
Summary: added tcdrain
Reviewed-by: alkonsta

! src/share/linux/native/com/oracle/dio/uart/serial.c