svn commit: r185369 - in head: lib/libc/gen lib/libthr/thread libexec/rtld-elf

[Rink Springer]

On Thu, Nov 27, 2008 at 11:28:00AM +0000, Konstantin Belousov wrote:
> Author: kib
> Date: Thu Nov 27 11:27:59 2008
> New Revision: 185369
> URL: http://svn.freebsd.org/changeset/base/185369
> 
> Log:
>   Add two rtld exported symbols, _rtld_atfork_pre and _rtld_atfork_post.
>   Threading library calls _pre before the fork, allowing the rtld to
>   lock itself to ensure that other threads of the process are out of
>   dynamic linker. _post releases the locks.
>   
>   This allows the rtld to have consistent state in the child. Although
>   child may legitimately call only async-safe functions, the call may
>   need plt relocation resolution, and this requires working rtld.
>   
>   Reported and debugging help by:	rink
>   Reviewed by:	kan, davidxu
>   MFC after:	1 month (anyway, not before 7.1 is out)

Thanks!

-- 
Rink P.W. Springer                                - http://rink.nu
"Anyway boys, this is America. Just because you get more votes doesn't
 mean you win." - Fox Mulder