Perl Programming/Keywords/lock
< Perl Programming | Keywords
The lock keyword[edit | edit source]
THE lock function places an advisory lock on the shared variable or referenced object contained in THING until the lock goes out of scope.
If the argument is a scalar, the value returned is the scalar itself, or a reference, if the argument is an array, hash, or a subroutine.
Syntax[edit | edit source]
lock THING