[incremental] Patch: FYI: fix pex call

[Ian Lance Taylor]

Tom Tromey <tromey@redhat.com> writes:

> >>>>> "Ian" == Ian Lance Taylor <iant@google.com> writes:
> 
> Ian> Tom Tromey <tromey@redhat.com> writes:
> >> And, we call pex_get_status.  Calling this seems to let 'as' finish
> >> properly -- I thought it was optional but it does seem to make a
> >> difference.
> 
> Ian> This shouldn't be required, as pex_free should do it when necessary.
> Ian> It would be nice to track this down and fix it in the pex code.
> 
> I debugged and it comes from this code in pex_unix_wait:
> 
>   if (done)
>     kill (pid, SIGTERM);
> 
> The explicit call to pex_get_status bypasses this and lets the
> subprocess finish.

OK, makes sense.  Thanks for looking at it.

Ian