Posted by Richard Lynch on 09/29/35 11:08

Steve wrote:
> I have a program which creates a lot of children over the time, which
> terminate themselves after they are finished.
>
> After some time however, the parent process hangs; apparently in
> pcntl_fork(). The child from this fork, however, seems to run normally.
> An strace on the parent shows "futex(0x471cb0, FUTEX_WAIT, 2, NULL"
>
> The program runs on PHP 5.0.3-cli and Linux 2.6.
>
> Has anyone an idea what could be the reason for that hang?

Didja try:
http://www.google.com/search?q=FUTEX_WAIT

I did and got:
http://lists.boost.org/MailArchives/boost-users/msg07650.php

So I'm guessing you didn't compile *everything* on your PHP/Apache system
with multi-thread support.

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