Re: [PHP-DEV] Hanging process From: Boian Bonev (boian <email protected>)
Date: 01/15/01

hi,

there are several things i can think of - in the order of probability to
happen:

- you use built in mysql client lib and your ext uses something linked to
the /usr/local/mysql/lib/libmysqlclient.so
- your child execs something and waits for pid, output, etc
- there is some mess with memory or something and behavior is hazardous

b.

----- Original Message -----
From: "Bill McCaffrey" <webmaster <email protected>>
To: <php-dev <email protected>>
Sent: Monday, January 15, 2001 8:36 PM
Subject: [PHP-DEV] Hanging process

> I am writing a module for php, every so often an apache process will hang
> when it reaches MaxRequestsPerChild. It grabs all available cpu time, yet
> server-status reports no additional usage. I have removed the
PHP_MSHUTDOWN
> function from my code in case I was making a hash out of something
> inadvertently, yet this has not helped.
>
> It is only occurring 1 in 20 times (approximately) apache tries to close a
> process.
>
> I am new to development on Linux and do not know all the tools available,
is
> there some way that I can find out what this process is doing or at least
if
> the loop is in apache, php or my code so I can trace it back?
>
> Thanks,
>
> Bill
>
>
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