RE: Experience running mod_perl2 with mpm_event on Solaris 11

<[email protected]> Fri, 19 Aug 2022 13:44:14 -0400
Newsgroups gmane.comp.apache.mod-perl
Message-ID <[email protected]>
The problem is really confined to embedded uses of ithreads, because Perl itself will mutex-wrap the malloc calls.  In httpd, so do all apr_pool_t calls to malloc.  It's when the two memory management techniques are interacting that there is no application-level way to guard against thread contention in libc's malloc.

Mod_perl+ithreads are awesome, when used intelligently. You gain intelligence from experience trying to use it in a lot of ways that suck, until you hit one the path that yields success.

-----Original Message-----
From: Edward J. Sabol <[email protected]> 
Sent: Tuesday, August 16, 2022 2:27 PM
To: mod_perl list <[email protected]>
Subject: Re: Experience running mod_perl2 with mpm_event on Solaris 11

On Aug 16, 2022, at 12:27 PM, [email protected] wrote:
> To the best of my knowledge, the underlying problem with mod_perl+ithread is that it requires a reentrant malloc in libc.

That's it? This is the first I'm learning this. Is there an option to compile Perl and mod_perl with a reentrant malloc on Linux?

Thanks,
Ed
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