Date: Tue, 26 Nov 2002 02:10:30 +0100 From: Mark <admin@asarian-host.net> To: "Chris Dillon" <cdillon@wolves.k12.mo.us>, "Lee Nelson" <jld123@pobox.com> Cc: <freebsd-questions@freebsd.org> Subject: Re: Apache not killing subprocesses, only on FreeBSD Message-ID: <200211260110.GAQ1AAI81189@asarian-host.net> References: <20021125112037.W39486-100000@duey.wolves.k12.mo.us>
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----- Original Message -----
From: "Chris Dillon" <cdillon@wolves.k12.mo.us>
To: "Lee Nelson" <jld123@pobox.com>
Cc: <freebsd-questions@FreeBSD.ORG>
Sent: Monday, November 25, 2002 6:23 PM
Subject: Re: Apache not killing subprocesses, only on FreeBSD
> On Sun, 24 Nov 2002, Lee Nelson wrote:
>
> > myprogram.pl reads a few parameters from STDIN, and then
> > forks to work in the background:
I daemonize as follows:
chdir ('/') || exit 1;
open STDIN, '/dev/null';
open STDOUT, '>/dev/null';
if (my $pid = fork ()) {
open (PID, '>/var/run/my-prog.pid') || exit 1;
flock (PID, 2);
print PID "$pid";
close (PID);
exit 0;
}
POSIX::setsid () || exit 1; # follow the leader
open STDERR, '>&STDOUT';
Guaranteed to become the session leader, and completely dissociates from the
terminal.
- Mark
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