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Revision 1.12 - (download) (as text) (annotate)
Mon Dec 5 18:56:38 2005 UTC (13 years, 11 months ago) by olson
Branch: MAIN
CVS Tags: mgrast_dev_08112011, rast_rel_2009_05_18, mgrast_dev_08022011, rast_rel_2014_0912, rast_rel_2008_06_18, myrast_rel40, rast_rel_2008_06_16, mgrast_dev_05262011, rast_rel_2008_12_18, mgrast_dev_04082011, rast_rel_2008_07_21, rast_rel_2010_0928, rast_2008_0924, mgrast_version_3_2, mgrast_dev_12152011, rast_rel_2008_04_23, mgrast_dev_06072011, rast_rel_2008_09_30, rast_rel_2009_0925, rast_rel_2010_0526, rast_rel_2014_0729, mgrast_dev_02212011, rast_rel_2010_1206, caBIG-05Apr06-00, mgrast_release_3_0, mgrast_dev_03252011, rast_rel_2010_0118, mgrast_rel_2008_0924, mgrast_rel_2008_1110_v2, rast_rel_2009_02_05, rast_rel_2011_0119, mgrast_rel_2008_0625, mgrast_release_3_0_4, mgrast_release_3_0_2, mgrast_release_3_0_3, mgrast_release_3_0_1, mgrast_dev_03312011, mgrast_release_3_1_2, mgrast_release_3_1_1, mgrast_release_3_1_0, mgrast_dev_04132011, rast_rel_2008_10_09, mgrast_dev_04012011, rast_release_2008_09_29, mgrast_rel_2008_0806, mgrast_rel_2008_0923, mgrast_rel_2008_0919, rast_rel_2009_07_09, rast_rel_2010_0827, mgrast_rel_2008_1110, myrast_33, rast_rel_2011_0928, rast_rel_2008_09_29, mgrast_rel_2008_0917, rast_rel_2008_10_29, mgrast_dev_04052011, mgrast_dev_02222011, caBIG-13Feb06-00, rast_rel_2009_03_26, mgrast_dev_10262011, rast_rel_2008_11_24, rast_rel_2008_08_07, HEAD
Changes since 1.11: +17 -0 lines
Add license words.

#
# Copyright (c) 2003-2006 University of Chicago and Fellowship
# for Interpretations of Genomes. All Rights Reserved.
#
# This file is part of the SEED Toolkit.
# 
# The SEED Toolkit is free software. You can redistribute
# it and/or modify it under the terms of the SEED Toolkit
# Public License. 
#
# You should have received a copy of the SEED Toolkit Public License
# along with this program; if not write to the University of Chicago
# at info@ci.uchicago.edu or the Fellowship for Interpretation of
# Genomes at veronika@thefig.info or download a copy from
# http://www.theseed.org/LICENSE.TXT.
#

#
# Start up any persistent services.
#
# At some point we may want to move to an /etc/rc.d-like setup with a
# directory of services, but I don't have the time to architect that for now.
#
# For the time being, any persistent service authro will have to
# change this file (and stop_services.pl) to include custom
# code for starting and stopping their service.
#

#
# Support for seed_registration.
#

use POSIX qw(setsid);

my $pid_file  = "$FIG_Config::fig_disk/config/seed_registration.pid";
my $new_pid_file  = "$FIG_Config::fig_disk/config/new_seed_registration.pid";

my $seed_reg = "$FIG_Config::bin/seed_registration";
my $new_seed_reg = "$FIG_Config::bin/new_seed_registration";

start_service($pid_file, $seed_reg);
start_service($new_pid_file, $new_seed_reg);

start_service("$FIG_Config::fig_disk/config/seed_job_scheduler.pid",
	      "$FIG_Config::bin/seed_job_scheduler");

exit 0;

sub start_service
{
    my($pid_file, $pgm) = @_;

    #
    # Check to see if there's one running, and don't do anything if so.
    #

    if (open(FH, "<$pid_file"))
    {
	my $pid = <FH>;
	chop $pid;
	if ($pid =~ /^\d+$/ && kill(0, $pid) > 0)
	{
	    print "service process $pid already running, not restarting.\n";
	    return;
	}
    }

    #
    # Start it up.
    #

    print "Starting $pgm\n";

    my $child = fork();
    if ($child == 0)
    {
	#
	# Fork again, go zombies go.
	#

	my $dchild = fork();
	if ($dchild != 0)
	{
	    open(FH, ">$pid_file");
	    print FH "$dchild\n";
	    close(FH);

	    exit;
	}
	setsid();
	exec($pgm);
	die "Exec failed";
    }
    my $out = wait;
}

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