Re: expected behavior when a signal is sent to the ptraced child

Daniel Jacobowitz
2006-05-25T13:06:16Z

On Thu, May 25, 2006 at 11:06:43AM +0200, Andreas Schwab wrote:
> Wu Zhou <woodzltc@cn.ibm.com> writes:
>
> > What I expect is the parent will at least output:
> >
> > stopped by signal 5
> >
> > What is the problem here? Did I make something wrong?
>
> You need to use waitpid/wait4 and add WUNTRACED to the options parameter.
> Without that you'll never receive notification of stopped processes.

WUNTRACED shouldn't be necessary in this case because the child is
actually ptraced.

--
Daniel Jacobowitz
CodeSourcery