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.\" ========================================================================
.\"
.IX Title "Linux::Systemd::Daemon 3pm"
.TH Linux::Systemd::Daemon 3pm "2022-10-20" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
Linux::Systemd::Daemon \- Systemd daemon API
.SH "VERSION"
.IX Header "VERSION"
version 1.201600
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  use Linux::Systemd::Daemon \*(Aqsd_ready\*(Aq;
\&
\&  # program initialisation
\&  sd_ready;
\&
\&  while (1) {
\&      sd_notify(watchdog => 1, status => \*(AqMain loop running\*(Aq);
\&      # do something here
\&  }
\&
\&  sd_notify(stopping => 1, status => \*(AqShutting down...\*(Aq);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
An \s-1XS\s0 wrapper for sd-daemon <https://www.freedesktop.org/software/systemd/man/sd-daemon.html>,
the systemd daemon interface.
.PP
Exports one function, \*(L"sd_notify\*(R", by default. A variety of convenience
functions are also available for import, either individually or with the \f(CW\*(C`:all\*(C'\fR
tag.
.PP
For a fully featured example, see the \f(CW\*(C`perl\-daemon\*(C'\fR script and
\&\f(CW\*(C`perl\-daemon.service\*(C'\fR examples in \f(CW\*(C`eg\*(C'\fR.
.SH "FUNCTIONS"
.IX Header "FUNCTIONS"
.ie n .SS """sd_notify(@array_of_pairs)"""
.el .SS "\f(CWsd_notify(@array_of_pairs)\fP"
.IX Subsection "sd_notify(@array_of_pairs)"
The main function, exported by default. Takes a list of pairs and converts them
to a string to be passed to the C function
\&\fBman:sd_notify\fR\|(3) <https://www.freedesktop.org/software/systemd/man/sd_notify.html>
.PP
e.g.
.PP
.Vb 1
\&  sd_notify(ready => 1, status => \*(AqProcessing requests\*(Aq);
.Ve
.ie n .SS """sd_watchdog()"""
.el .SS "\f(CWsd_watchdog()\fP"
.IX Subsection "sd_watchdog()"
Convenience function. Optional export.
.ie n .SS """sd_ready()"""
.el .SS "\f(CWsd_ready()\fP"
.IX Subsection "sd_ready()"
Convenience function. Optional export.
.ie n .SS """sd_stopping()"""
.el .SS "\f(CWsd_stopping()\fP"
.IX Subsection "sd_stopping()"
Convenience function. Optional export.
.ie n .SS """sd_reloading()"""
.el .SS "\f(CWsd_reloading()\fP"
.IX Subsection "sd_reloading()"
Convenience function. Optional export.
.ie n .SS """sd_status(Str $status_message)"""
.el .SS "\f(CWsd_status(Str $status_message)\fP"
.IX Subsection "sd_status(Str $status_message)"
Convenience function. Optional export.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
https://www.freedesktop.org/software/systemd/man/sd\-daemon.html
.SH "AUTHOR"
.IX Header "AUTHOR"
Ioan Rogers <ioanr@cpan.org>
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
This software is Copyright (c) 2020 by Ioan Rogers.
.PP
This is free software, licensed under:
.PP
.Vb 1
\&  The GNU Lesser General Public License, Version 2.1, February 1999
.Ve