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.\" ========================================================================
.\"
.IX Title "Level 3pm"
.TH Level 3pm "2018-11-01" "perl v5.28.0" "User Contributed Perl Documentation"
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.SH "NAME"
Perl::Destruct::Level \- Allow to change perl's destruction level
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Perl::Destruct::Level level => 1;
\&
\&    my $current_destruct_level = Perl::Destruct::Level::get_destruct_level();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module allows one to change perl's internal \fIdestruction level\fR.
.PP
The default value of the destruct level is 0; it means that perl won't
bother destroying all its internal data structures, but let the \s-1OS\s0 do
the cleanup for it at exit.
.PP
For perls built with debugging support (\f(CW\*(C`\-DDEBUGGING\*(C'\fR), an environment
variable \f(CW\*(C`PERL_DESTRUCT_LEVEL\*(C'\fR allows one to control the destruction level.
This modules enables to modify it on non-debugging perls too.
.PP
Relevant values recognized by perl are 1 and 2. Consult your source
code to know exactly what they mean. Note that some embedded environments
might extend the meaning of the destruction level for their own purposes:
mod_perl does that, for example.
.SH "CAVEATS"
.IX Header "CAVEATS"
This module won't work when used from within an \s-1END\s0 block.
.PP
Loading the \f(CW\*(C`threads\*(C'\fR module will set the destruction level to 2. (This
is to enable spawned threads to properly cleanup their objects.) Loading
modules that load \f(CW\*(C`threads\*(C'\fR, even if they don't spawn threads, will
also set the destruction level to 2. (A common example of such a module
is \f(CW\*(C`Test::Builder\*(C'\fR.)
.SH "AUTHOR"
.IX Header "AUTHOR"
Copyright (c) 2007 Rafael Garcia-Suarez. This program is free software; you
may redistribute it and/or modify it under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
perlrun, perlhack