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2e9609df |
1 | package Catalyst::Restarter::Forking; |
2 | |
3 | use Moose; |
4 | |
2e9609df |
5 | extends 'Catalyst::Restarter'; |
6 | |
7 | has _child => ( |
8 | is => 'rw', |
9 | isa => 'Int', |
10 | ); |
11 | |
12 | |
13 | sub _fork_and_start { |
14 | my $self = shift; |
15 | |
16 | if ( my $pid = fork ) { |
17 | $self->_child($pid); |
18 | } |
19 | else { |
20 | $self->start_sub->(); |
21 | } |
22 | } |
23 | |
24 | sub _kill_child { |
25 | my $self = shift; |
26 | |
27 | return unless $self->_child; |
28 | |
29 | return unless kill 0, $self->_child; |
30 | |
2e9609df |
31 | die "Cannot send INT signal to ", $self->_child, ": $!" |
32 | unless kill 'INT', $self->_child; |
7d454e21 |
33 | # If we don't wait for the child to exit, we could attempt to |
34 | # start a new server before the old one has given up the port it |
35 | # was listening on. |
36 | wait; |
2e9609df |
37 | } |
38 | |
39 | 1; |
36ff1319 |
40 | |
41 | __END__ |
42 | |
43 | =head1 NAME |
44 | |
45 | Catalyst::Restarter::Forking - Forks and restarts the child process |
46 | |
47 | =head1 DESCRIPTION |
48 | |
49 | This class forks and runs the server in a child process. When it needs |
50 | to restart, it kills the child and creates a new one. |
51 | |
52 | =head1 SEE ALSO |
53 | |
54 | L<Catalyst::Restarter>, L<Catalyst>, <File::ChangeNotify> |
55 | |
56 | =head1 AUTHORS |
57 | |
58 | Catalyst Contributors, see Catalyst.pm |
59 | |
60 | =head1 COPYRIGHT |
61 | |
62 | This program is free software, you can redistribute it and/or modify |
63 | it under the same terms as Perl itself. |
64 | |
65 | =cut |