[llvm-commits] [llvm] r156240 - /llvm/trunk/lib/Support/Process.cpp

[Chandler Carruth]

On Sat, May 5, 2012 at 10:36 AM, Duncan Sands <baldrick at free.fr> wrote:

> > Won't this give us really bad random numbers on system with no
> arc4random (linux)? I'm thinking of multiple invocations of clang in the
> same second all getting the same "random" file name. Does Linux have
> another source of pseudorandom numbers?
>
> If this is about getting unique temporary files, shouldn't tmpfile or
> mkstemp be
> used?
>

Yes, and it seems to have caused: PR12743

This is *not* the way to get temporary files. There are proper OS APIs for
that we should be using, not RNGs....
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