ActiveState!

ActivePerl Documentation
Table of Contents

(Usage Statistics)
(about this ver)


* Getting Started
    * Welcome To ActivePerl
    * Release Notes
    * Readme
    * ActivePerl Change Log
* Install Notes
    * Linux
    * Solaris
    * Windows
* ActivePerl Components
    * Overview
    * PPM
    * Windows Specifics
       * OLE Browser
       * PerlScript
       * Perl for ISAPI
       * PerlEZ
* ActivePerl FAQ
    * Introduction
    * Availability & Install
    * Using PPM
    * Docs & Support
    * Windows Specifics
       * Perl for ISAPI
       * Windows 9X/NT/2000
       * Quirks
       * Web Server Config
       * Web programming
       * Programming
       * Modules & Samples
       * Embedding & Extending
       * Using OLE with Perl
* Windows Scripting
    * Active Server Pages
    * Windows Script Host
    * Windows Script Components

Core Perl Documentation


* perl
* perlfaq
* perltoc
* perlbook

* perlsyn
* perldata
* perlop
* perlreftut
* perldsc
* perllol

* perllexwarn
* perldebug

* perlrun
* perlfunc
* perlopentut
* perlvar
* perlsub
* perlmod
* perlpod

* perlstyle
* perlmodlib
* perlmodinstall
* perltrap
* perlport
* perlsec

* perlref
* perlre
* perlform
* perllocale
* perlunicode

* perlboot
* perltoot
* perltootc
* perlobj
* perlbot
* perltie

* perlipc
* perlnumber
* perlfork
* perlthrtut

* perldiag
* perlfaq1
* perlfaq2
* perlfaq3
* perlfaq4
* perlfaq5
* perlfaq6
* perlfaq7
* perlfaq8
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* perlcompile

* perlembed
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* perlos390
* perlvms
* perlwin32

Pragmas


* attributes
* attrs
* autouse
* base
* blib
* bytes
* charnames
* constant
* diagnostics
* fields
* filetest
* integer
* less
* lib
* locale
* lwpcook
* open
* ops
* overload
* perllocal
* re
* sigtrap
* strict
* subs
* utf8
* vars
* warnings

Libraries


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* XSLoader

 attrs - set/get attributes of a subroutine


NAME

attrs - set/get attributes of a subroutine (deprecated)


SUPPORTED PLATFORMS

  • Linux
  • Solaris
  • Windows

SYNOPSIS

    sub foo {
        use attrs qw(locked method);
        ...
    }
    @a = attrs::get(\&foo);


DESCRIPTION

NOTE: Use of this pragma is deprecated. Use the syntax

    sub foo : locked method { }

to declare attributes instead. See also the attributes manpage.

This pragma lets you set and get attributes for subroutines. Setting attributes takes place at compile time; trying to set invalid attribute names causes a compile-time error. Calling attrs::get on a subroutine reference or name returns its list of attribute names. Notice that attrs::get is not exported. Valid attributes are as follows.

method
Indicates that the invoking subroutine is a method.

locked
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 method attribute above), 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 lock operator immediately after the subroutine is entered.

 attrs - set/get attributes of a subroutine