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Programming > Perl Beginners > Re: Creating PI...
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Re: Creating PID file

by peng.kyo@[EMAIL PROTECTED] (J. Peng) Apr 27, 2008 at 04:59 PM

On Sun, Apr 27, 2008 at 4:53 PM, Chas. Owens <chas.owens@[EMAIL PROTECTED]
> wrote:
> On Sun, Apr 27, 2008 at 2:49 AM, Michael Barnes <MBarnes@[EMAIL PROTECTED]
>
wrote:

> #make sure the last thing done is the removal of the pidfile
> #note: this happens even if we die
>END {
>   our $program;
>   unlink("/var/run/$program")
>      or die "could not delete /var/run/$program";
>}


As I have said (in fact it's said by Lincoln Stein), you should add a
"if" statement here to avoid the childs delete the pid file when
they're exiting.

if ( $$ == $pid ) { # $pid is parent's pid
    unlink $pidfile or die $!;
}

-- 
J. Peng - QQMail Operation Team
eMail: peng.kyo@[EMAIL PROTECTED]
 AIM: JeffHua
 




 25 Posts in Topic:
Creating PID file
mbarnes@[EMAIL PROTECTED]  2008-04-26 20:30:17 
Re: Creating PID file
rob.dixon@[EMAIL PROTECTE  2008-04-27 02:49:47 
RE: Creating PID file
MBarnes@[EMAIL PROTECTED]  2008-04-26 23:49:23 
RE: Creating PID file
MBarnes@[EMAIL PROTECTED]  2008-04-27 17:24:54 
Re: Creating PID file
rob.dixon@[EMAIL PROTECTE  2008-04-28 06:48:29 
Re: Creating PID file
chas.owens@[EMAIL PROTECT  2008-04-27 04:53:22 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 16:59:52 
Re: Creating PID file
chas.owens@[EMAIL PROTECT  2008-04-27 05:03:56 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 09:50:51 
Re: Creating PID file
peng.kyo@[EMAIL PROTECTED  2008-04-27 10:36:11 
sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-26 23:24:22 
Re: sql and perl
orasnita@[EMAIL PROTECTED  2008-04-27 11:06:23 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-27 12:25:59 
Re: sql and perl
rvtol+news@[EMAIL PROTECT  2008-04-28 09:54:43 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 09:20:07 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-28 10:19:51 
Re: sql and perl
peng.kyo@[EMAIL PROTECTED  2008-04-27 11:34:01 
Re: sql and perl
rich.japh@[EMAIL PROTECTE  2008-04-26 23:42:24 
Re: Creating PID file
orasnita@[EMAIL PROTECTED  2008-04-27 10:56:58 
Re: sql and perl
dan@[EMAIL PROTECTED] (D  2008-04-28 18:15:36 
Re: sql and perl
ficovh@[EMAIL PROTECTED]   2008-04-28 10:40:29 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 17:52:53 
RE: sql and perl
rvm@[EMAIL PROTECTED] (B  2008-04-28 14:40:25 
Re: sql and perl
rob.dixon@[EMAIL PROTECTE  2008-04-28 20:06:21 
RE: sql and perl
andrew.curry@[EMAIL PROTE  2008-04-29 00:09:11 

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tan12V112 Sat Jul 26 6:16:32 CDT 2008.