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# ex:ts=8 sw=4:
# $OpenBSD: Temp.pm,v 1.28 2018/02/10 10:08:05 espie Exp $
#
# Copyright (c) 2003-2005 Marc Espie <espie@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
package OpenBSD::Temp;
use OpenBSD::MkTemp;
use OpenBSD::Paths;
use OpenBSD::Error;
our $tempbase = $ENV{'PKG_TMPDIR'} || OpenBSD::Paths->vartmp;
my $dirs = {};
my $files = {};
my $cleanup = sub {
while (my ($name, $pid) = each %$files) {
unlink($name) if $pid == $$;
}
while (my ($dir, $pid) = each %$dirs) {
OpenBSD::Error->rmtree([$dir]) if $pid == $$;
}
};
END {
&$cleanup;
}
OpenBSD::Handler->register($cleanup);
sub dir
{
my $caught;
my $h = sub { $caught = shift; };
my $dir;
{
local $SIG{'INT'} = $h;
local $SIG{'QUIT'} = $h;
local $SIG{'HUP'} = $h;
local $SIG{'KILL'} = $h;
local $SIG{'TERM'} = $h;
$dir = permanent_dir($tempbase, "pkginfo");
$dirs->{$dir} = $$;
}
if (defined $caught) {
kill $caught, $$;
}
return "$dir/";
}
sub fh_file
{
my ($stem, $cleanup) = @_;
my $caught;
my $h = sub { $caught = shift; };
my ($fh, $file);
{
local $SIG{'INT'} = $h;
local $SIG{'QUIT'} = $h;
local $SIG{'HUP'} = $h;
local $SIG{'KILL'} = $h;
local $SIG{'TERM'} = $h;
($fh, $file) = permanent_file($tempbase, $stem);
if (defined $file) {
&$cleanup($file);
}
}
if (defined $caught) {
kill $caught, $$;
}
return ($fh, $file);
}
sub file
{
return (fh_file("pkgout", sub { $files->{shift} = $$; })) [1];
}
sub reclaim
{
my ($class, $name) = @_;
delete $files->{$name};
delete $dirs->{$name};
}
sub permanent_file
{
my ($dir, $stem) = @_;
my $template = "$stem.XXXXXXXXXX";
if (defined $dir) {
$template = "$dir/$template";
}
return OpenBSD::MkTemp::mkstemp($template);
}
sub permanent_dir
{
my ($dir, $stem) = @_;
my $template = "$stem.XXXXXXXXXX";
if (defined $dir) {
$template = "$dir/$template";
}
return OpenBSD::MkTemp::mkdtemp($template);
}
1;
|
