On 10/10, Jan Kratochvil wrote:
>
> On Sat, 10 Oct 2009 18:24:21 +0200, Oleg Nesterov wrote:
> > On 10/06, Jan Kratochvil wrote:
> > >
> > > Yes, I agree with the current general behavior of ptrace there is missing:
> > > if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGPIPE)
> > >
> > > [...snip...]
> > >
> > > --- attach-into-signal.c 31 Jan 2009 21:11:40 -0000 1.5
> > > +++ attach-into-signal.c 6 Oct 2009 14:27:08 -0000
> > > @@ -224,6 +224,18 @@ static void reproduce (void)
> > > child = 0;
> > > return;
> > > }
> > > + /* SIGPIPE was still pending and it has not been yet delivered. */
> > > + if (WIFSTOPPED (status) && WSTOPSIG (status) == SIGPIPE)
> > > + {
> > > + /* Deliver it and get the queued SIGSTOP. */
> > > + errno = 0;
> > > + ptrace (PTRACE_CONT, child, (void *) 1, (void *) SIGPIPE);
> > > + assert_perror (errno);
> > > +
> > > + errno = 0;
> > > + pid = waitpid (child, &status, 0);
> > > + assert (pid == child);
> > > + }
> > > assert (WIFSTOPPED (status));
> > > assert (WSTOPSIG (status) == SIGSTOP);
> > > /* let tracee run. it must be killed very soon by SIGPIPE */
> >
> > Jan, please revert this change.
>
> Reverted
Thanks!
> (VERBOSE-caught with FAIL now).
Cough. please translate this to me ;)
Oleg.
