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.\" ========================================================================
.\"
.IX Title "Daemon::Generic::While1 3pm"
.TH Daemon::Generic::While1 3pm "2022-06-12" "perl v5.34.0" "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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.SH "NAME"
.Vb 1
\& Daemon::Generic::While1 \- Daemon framework with default while(1) loop
.Ve
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& @ISA = qw(Daemon::Generic::While1);
\&
\& sub gd_run_body {
\&        # stuff
\& }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This is a slight variation on Daemon::Generic: a default
\&\f(CW\*(C`gd_run()\*(C'\fR provided.  It has a \fBwhile\fR\|(1) loop that calls 
\&\f(CW\*(C`gd_run_body()\*(C'\fR over and over.  It checks for reconifg and
and terminate events and only actions them between calls
to \f(CW\*(C`gd_run_body()\*(C'\fR.
.PP
Terminate events will be forced through after 
\&\f(CW$Daemon::Generic::force_quit_delay\fR seconds if
\&\f(CW\*(C`gd_run_body()\*(C'\fR doesn't return quickly enough.
.SH "SUBCLASS METHODS REQUIRD"
.IX Header "SUBCLASS METHODS REQUIRD"
The following method is required to be overridden to subclass
Daemon::Generic::While1:
.IP "\fBgd_run_body()\fR" 15
.IX Item "gd_run_body()"
This method will be called over and over.  This method should
include a call to \f(CWsleep(1)\fR (or a bit more).  Reconfig events
will not interrupt it.  Quit events will only interrupt it 
after 15 seconds.
.SH "ADDITIONAL METHODS"
.IX Header "ADDITIONAL METHODS"
The following additional methods are available for your use
(as compared to Daemon::Generic):
.IP "gd_sleep($period)" 15
.IX Item "gd_sleep($period)"
This will sleep for \f(CW$period\fR seconds but in one-second
intervals so that if a \s-1SIGINT\s0 or \s-1SIGHUP\s0 arrives the sleep
period can end more quickly.
.Sp
Using this makes it safe for \f(CW\*(C`gd_run_body()\*(C'\fR to sleep for
longer than \f(CW$Daemon::Generic::force_quit_delay\fR seconds 
at a time.
.SH "ADDITIONAL MEMBER DATA"
.IX Header "ADDITIONAL MEMBER DATA"
The following additional bits of member data are defined:
.IP "gd_sigint" 15
.IX Item "gd_sigint"
The time at which an (unprocessed) \s-1SIGINT\s0 was received.
.IP "gd_sighup" 15
.IX Item "gd_sighup"
The time at which an (unprocessed) \s-1SIGHUP\s0 was received.
.SH "LICENSE"
.IX Header "LICENSE"
Copyright (C) 2006\-2010 David Muir Sharnoff <muir@idiom.com>. 
Copyright (C) 2011 Google, Inc.
This module may be used and distributed on the same terms
as Perl itself.