Christian S.J. Peron 4ccbe0c50d Un-break handling of -t 0 which was broken in my previous commit.
Add a flags argument to wait_for_lock so that O_NONBLOCK can be
passed to open if a user doesn't want the open to sleep until the
lock becomes available.

Submitted by:	Amir Shalem (partially modified)
2005-10-05 22:02:07 +00:00
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