[RFC PATCH 3/7] PID namespace translation support

[Eugene Syromiatnikov]

On Wed, Jun 10, 2020 at 08:34:49PM +0200, Ákos Uzonyi wrote:
> > +void
> > +printpid(struct tcb *tcp, int pid, enum pid_type type)
> > +{
> > +       int strace_pid;
> > +
> > +       tprintf("%d", pid);
> > +
> > +       if (perform_ns_resolution) {
> > +               strace_pid = translate_pid(tcp, pid, type, NULL);
> > +
> > +               if ((strace_pid > 0) && (pid != strace_pid))
> > +                       tprintf_comment("%d in strace's PID NS", strace_pid);
> > +       }
> > +}
> 
> Printing PID as a signed integer causes a few tests to fail
> (overflow). Should we use unsigned int for PIDs, or modify the tests?

PID is considered to be signed, so the expected output in the tests
ought to be updated accordingly.