/usr/share/perl5/Dpkg/Exit.pm is in libdpkg-perl 1.18.25.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | # Copyright © 2002 Adam Heath <doogie@debian.org>
# Copyright © 2012-2013 Guillem Jover <guillem@debian.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 of the License, or
# (at your option) any later version.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
package Dpkg::Exit;
use strict;
use warnings;
our $VERSION = '1.01';
our @EXPORT_OK = qw(
push_exit_handler
pop_exit_handler
run_exit_handlers
);
use Exporter qw(import);
# XXX: Backwards compatibility, stop exporting on VERSION 2.00.
## no critic (Variables::ProhibitPackageVars)
our @handlers = ();
## use critic
=encoding utf8
=head1 NAME
Dpkg::Exit - program exit handlers
=head1 DESCRIPTION
The Dpkg::Exit module provides support functions to run handlers on exit.
=head1 FUNCTIONS
=over 4
=item push_exit_handler($func)
Register a code reference into the exit function handlers stack.
=cut
sub push_exit_handler {
my ($func) = shift;
push @handlers, $func;
}
=item pop_exit_handler()
Pop the last registered exit handler from the handlers stack.
=cut
sub pop_exit_handler {
pop @handlers;
}
=item run_exit_handlers()
Run the registered exit handlers.
=cut
sub run_exit_handlers {
&$_() foreach (reverse @handlers);
}
sub _exit_handler {
run_exit_handlers();
exit(127);
}
$SIG{INT} = \&_exit_handler;
$SIG{HUP} = \&_exit_handler;
$SIG{QUIT} = \&_exit_handler;
=back
=head1 CHANGES
=head2 Version 1.01 (dpkg 1.17.2)
New functions: push_exit_handler(), pop_exit_handler(), run_exit_handlers()
Deprecated variable: @handlers
=head2 Version 1.00 (dpkg 1.15.6)
Mark the module as public.
=cut
1;
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