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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#-------------------------------------------------------------------------------
use strict;
use namespaces;
use warnings qw(FATAL void syntax misc);
use feature 'state';
require Polymake::Tempfile;
require Polymake::Scope;
require File::Path;
package Polymake::Tempdir;
use POSIX ':errno_h';
my @to_delete;
sub new {
my ($pkg, $till_exit) = @_;
if ($till_exit && $till_exit ne "till_exit") {
croak( "unknown Tempdir option $till_exit" );
}
my $path;
for (;;) {
$path = Tempfile::root_dir() . "/" . Tempfile::unique_name();
mkdir($path, 0700) and last;
$! == EEXIST or die "could not create temporary directory $path: $!\n";
}
my $self = bless \$path, $pkg;
if ($till_exit) {
@to_delete or add AtEnd("tempdir", sub { undef @to_delete });
push @to_delete, $self;
}
$self
}
use overload '""' => sub { ${$_[0]} };
sub DESTROY {
my $path = ${$_[0]};
if ($DebugLevel && $@) {
warn_print( "Preserving temporary directory: $path" );
} else {
File::Path::remove_tree($path);
}
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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