1 package MooseX::Daemonize::Core;
2 use strict; # because Kwalitee is pedantic
15 sub daemon_fork { fork }
17 # ignore these signals
18 for (qw(TSTP TTIN TTOU PIPE POLL STOP CONT CHLD)) {
19 $SIG{$_} = 'IGNORE' if (exists $SIG{$_});
22 POSIX::setsid; # set session id
23 chdir '/'; # change to root directory
24 umask 0; # clear the file creation mask
26 # get the max numnber of possible file descriptors
27 my $openmax = POSIX::sysconf( &POSIX::_SC_OPEN_MAX );
28 $openmax = 64 if !defined($openmax) || $openmax < 0;
31 POSIX::close($_) foreach (0 .. $openmax);
33 open(STDIN, "+>/dev/null");
34 open(STDOUT, "+>&STDIN");
35 open(STDERR, "+>&STDIN");
40 return if $self->daemon_fork;
50 MooseX::Daemonize::Core - provides a Role the core daemonization features
64 If true, the process is the backgrounded process. This is useful for example
65 in an after 'start' => sub { } block
79 Calls C<Proc::Daemon::Init> to daemonize this process.
83 Setup the signal handlers, by default it only sets up handlers for SIGINT and SIGHUP
87 Handle a INT signal, by default calls C<$self->stop()>
91 Handle a HUP signal. By default calls C<$self->restart()>
95 The C<meta()> method from L<Class::MOP::Class>
101 =for author to fill in:
102 A list of all the other modules that this module relies upon,
103 including any restrictions on versions, and an indication whether
104 the module is part of the standard Perl distribution, part of the
105 module's distribution, or must be installed separately. ]
107 Obviously L<Moose>, and L<Proc::Daemon>
109 =head1 INCOMPATIBILITIES
111 =for author to fill in:
112 A list of any modules that this module cannot be used in conjunction
113 with. This may be due to name conflicts in the interface, or
114 competition for system or program resources, or due to internal
115 limitations of Perl (for example, many modules that use source code
116 filters are mutually incompatible).
121 =head1 BUGS AND LIMITATIONS
123 =for author to fill in:
124 A list of known problems with the module, together with some
125 indication Whether they are likely to be fixed in an upcoming
126 release. Also a list of restrictions on the features the module
127 does provide: data types that cannot be handled, performance issues
128 and the circumstances in which they may arise, practical
129 limitations on the size of data sets, special cases that are not
132 No bugs have been reported.
134 Please report any bugs or feature requests to
135 C<bug-acme-dahut-call@rt.cpan.org>, or through the web interface at
136 L<http://rt.cpan.org>.
140 L<Proc::Daemon>, L<Daemon::Generic>, L<MooseX::Getopt>
144 Chris Prather C<< <perigrin@cpan.org> >>
148 Mike Boyko, Matt S. Trout, Stevan Little, Brandon Black, Ash Berlin and the
151 Some bug fixes sponsored by Takkle Inc.
153 =head1 LICENCE AND COPYRIGHT
155 Copyright (c) 2007, Chris Prather C<< <perigrin@cpan.org> >>. All rights
158 This module is free software; you can redistribute it and/or
159 modify it under the same terms as Perl itself. See L<perlartistic>.
162 =head1 DISCLAIMER OF WARRANTY
164 BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
165 FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
166 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
167 PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
168 EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
169 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
170 ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
171 YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
172 NECESSARY SERVICING, REPAIR, OR CORRECTION.
174 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
175 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
176 REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
177 LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
178 OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
179 THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
180 RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
181 FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
182 SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF