> Yes, I entirely understand what you're saying. I feel like you're not
> reading my responses. GDB _already has a list of signals it does not
> care about_. If ptrace permitted, it could tell the kernel not to
> context switch to deliver those signals. In advance! That's a
> debugger-driven solution to your problem.
>
> I'm not arguing out of theory here. I've implemented this mechanism
> before in other contexts, for instance to prevent the remote protocol
> overhead for ignored signals when using gdb with gdbserver.
>
Okay, I'll come up with an alternative patch that enhances the ptrace
interface so the debugger can guide the kernel to NOT context switch and
bother it about signal x from task y.
Would you be amenable to such a patch?
Thanks
- Bhavesh
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