February 2012
Intermediate to advanced
1184 pages
37h 17m
English
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lock
lock THINGThe lock function places a lock on a variable, subroutine, or object
referenced by THING until the lock goes out
of scope. For backward compatibility, this function is a built-in only
if your version of Perl was compiled with threading enabled, and if
you’ve said use Threads. Otherwise,
Perl will assume this is a user-defined function.