[Rxtx] Lock file in windows

[Trent Jarvi]

On Thu, 24 Nov 2011, depmar at poczta.onet.pl wrote:

> Could you tell me how is port locking mechanism resolved in Windows? In Linux, when port is locked, there is a lock file created in /var/lock.

RXTX just tries to open the port exclusively on windows.  The linux 
locking mechanism is part of the linux FHS and is done to prevent stomping 
on other important services.

http://www.pathname.com/fhs/pub/fhs-2.3.html#VARLOCKLOCKFILES