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Re: RFC: import of posix_spawn GSoC results



On Wed, Jan 25, 2012 at 12:50:12PM +0100, Martin Husemann wrote:
> A working alternative aproach to this patch is to use a vfork based emulation
> in userland only (FreeBSD is doing that). It is less kernel code, but to
> me sounds a bit hackish and/or fragile - maybe a matter of personal taste.

As said earlier, this can fail pretty badly when libraries (think pth)
overwrite system calls to do "transparent" operations behind the back.
Our mutexes for example are process specific.

Joerg


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