nagios and pthreads

[Christophe Yayon]

Thanks Jeremie,

I will asked nagios developpers how to use libpthread, if there is a
configure option when compiling...

Bye.


> Christophe,
>
>> Yes but if i understand, there is a bug in libc_r on FreeBSD ?
>
> libc_r indeed has some kind of bug, I don't know.
>
> Anyhow, you are using RELENG_5, so you should be using native threads
> with either libpthread (libkse, M:N) or libthr (1:1).
>
> I don't know what Nagios does just after fork(2), it would be worth to
> check.  It appears that fork(2)ing without exec(2)ing or _exit(2)ing
> in a pthreaded program is not a "valid" behaviour, regarding to
> SUSv3 [1].  I don't want to avoid admitting there is a problem in
> FreeBSD threading library, I don't know how other OSes handle this,
> but Nagios folks should really avoid doing what is explicitely
> dissuaded in SUSv3.
>
> For now, it doesn't resolve your problem unfortunately.
>
> [1]
> http://www.opengroup.org/onlinepubs/009695399/functions/pthread_atfork.html
>     (look at the "RATIONALE" section)
> --
> Jeremie Le Hen
> < jeremie at le-hen dot org >< ttz at chchile dot org >
>