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| author | Father Chrysostomos <sprout@cpan.org> | 2011-07-20 23:57:04 -0700 |
|---|---|---|
| committer | Father Chrysostomos <sprout@cpan.org> | 2011-07-20 23:57:04 -0700 |
| commit | 904028df2142182d347e16fc663545daf1b31fd8 (patch) | |
| tree | 5f0d9a6610a89ef5718caabe18ccda93cc792824 /pod/perlfunc.pod | |
| parent | f4df43b5ee48f8f744bf0e51a622822865e03c4b (diff) | |
| download | perl-904028df2142182d347e16fc663545daf1b31fd8.tar.gz | |
Document lock’s retval
Diffstat (limited to 'pod/perlfunc.pod')
| -rw-r--r-- | pod/perlfunc.pod | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pod/perlfunc.pod b/pod/perlfunc.pod index 936d1c0b93..94bc8d726c 100644 --- a/pod/perlfunc.pod +++ b/pod/perlfunc.pod @@ -3082,6 +3082,9 @@ X<lock> This function places an advisory lock on a shared variable or referenced object contained in I<THING> until the lock goes out of scope. +The value returned is the scalar itself, if the argument is a scalar, or a +reference, if the argument is a hash or array. + lock() is a "weak keyword" : this means that if you've defined a function by this name (before any calls to it), that function will be called instead. If you are not under C<use threads::shared> this does nothing. |