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Re: [PATCH] Fix pldd not to leave process stopped after detaching


> +  while (waitpid (pid, &status, __WALL) == pid && WIFSTOPPED (status))
> +    {
> +      /* The STOP signal should not be delivered to the tracee.  */
> +      if (WSTOPSIG (status) == SIGSTOP)
> +	return;
> +      ptrace (PTRACE_CONT, pid, NULL, (void *) (uintptr_t) WSTOPSIG (status));
> +    }

If ptrace fails, the tracee won't have been resumed and so waitpid could hang.


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