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| author | Nicholas Clark <nick@ccl4.org> | 2009-03-31 22:06:14 +0100 |
|---|---|---|
| committer | Nicholas Clark <nick@ccl4.org> | 2009-03-31 22:07:42 +0100 |
| commit | 0a8c518df299633eda796f21e99f6f1d0a78715a (patch) | |
| tree | f8ba5dca8b9a64401f3e9d65df8a9e9bcc864627 /lib | |
| parent | 2dcc2c2419dfb3dbc8ef03f46aec70f2310259cf (diff) | |
| download | perl-0a8c518df299633eda796f21e99f6f1d0a78715a.tar.gz | |
Remove the 5.005 threads details from the documentation for :locked and :method
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/attributes.pm | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/lib/attributes.pm b/lib/attributes.pm index aa532c2fac..216583a62b 100644 --- a/lib/attributes.pm +++ b/lib/attributes.pm @@ -1,6 +1,6 @@ package attributes; -our $VERSION = 0.09; +our $VERSION = 0.10; @EXPORT_OK = qw(get reftype); @EXPORT = (); @@ -194,34 +194,21 @@ The following are the built-in attributes for subroutines: =over 4 -=item locked - -B<5.005 threads only! The use of the "locked" attribute currently -only makes sense if you are using the deprecated "Perl 5.005 threads" -implementation of threads.> +=item lvalue -Setting this attribute is only meaningful when the subroutine or -method is to be called by multiple threads. When set on a method -subroutine (i.e., one marked with the B<method> attribute below), -Perl ensures that any invocation of it implicitly locks its first -argument before execution. When set on a non-method subroutine, -Perl ensures that a lock is taken on the subroutine itself before -execution. The semantics of the lock are exactly those of one -explicitly taken with the C<lock> operator immediately after the -subroutine is entered. +Indicates that the referenced subroutine is a valid lvalue and can +be assigned to. The subroutine must return a modifiable value such +as a scalar variable, as described in L<perlsub>. =item method -Indicates that the referenced subroutine is a method. -This has a meaning when taken together with the B<locked> attribute, -as described there. It also means that a subroutine so marked +Indicates that the referenced subroutine is a method. A subroutine so marked will not trigger the "Ambiguous call resolved as CORE::%s" warning. -=item lvalue +=item locked -Indicates that the referenced subroutine is a valid lvalue and can -be assigned to. The subroutine must return a modifiable value such -as a scalar variable, as described in L<perlsub>. +The "locked" attribute has no effect in 5.10.0 and later. It was used as part +of the now-removed "Perl 5.005 threads". =back |