gdb internal error SIGINT/SIGSTOP

teawater teawater@gmail.com
Tue Feb 3 03:05:00 GMT 2009


Why not check if this process is stop or not before send sig to them
(use wait or something)?

On Mon, Feb 2, 2009 at 22:47, paawan oza <paawan1982@yahoo.com> wrote:
>
> Hello,
>
> I have been modifying gdb for past couple of months.
> I am trying to keep process always running and user should be able to type commands.
> It is similar to tracepoints but on host system.
>
> I am facing a problem as following when try to debug multi-threaded applications.
>
> I am sending SIGINT/SIGSTOP (with no pass) to stop the process.
> linux-nat-wait wll attempt to stop other threads and it succeeds.
> and it works fine.
>
> but,
> when I have breakpoints on threads....
> and if main/CLONEs thread is stopped due to breakpoint and if I send
> SIGINT/SIGSTOP to the main thread....
> eventually I end up getting interrnal gdb assertion error.
> gdb_assert (pid == GET_LWP (lp->ptid));
>
> I would like to know !!
>
> 1) why is that happening ?
> in the scenerio where (thread is already stopped because of breakpoint
> and I am internally sending SIGINT/SIGSTOP (with no pass)
>
> note : I have modified gdb code to suite my requirements. where process should always be running and user should be able to type commands
>
> please do the needful.
>
>
> Regards,
> ..Paawan.
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