[uClibc] vfork() wrapper in libpthread: BAD!

[Erik Andersen]

On Mon May 03, 2004 at 08:22:21PM -0300, Alexandre Oliva wrote:
> Hi,
> 
> The vfork() wrapper defined in libpthread, that's used to run
> pthread_atfork()-registered handlers, is not only a very bad idea,
> it's broken and useless.  Here's the rationale:
[---------snip----------]
> Since the implementation as it stands is broken (linking a program
> that vfork()s and exec()s on the child and wait()s on the parent works
> unless you happen to link with libpthread), and I can't think of
> any workable solution, I suggest that we simply remove the vfork()
> overrider in the non-MMU case.  Yes, we might lose some small amount
> of functionality here, but it's not like people running uClinux expect
> anything resembling actual fork() to work.

fully agreed.  That stuff needs to die a quick death,

 -Erik

--
Erik B. Andersen             http://codepoet-consulting.com/
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