Messages in this thread | | | Subject | RE: [RFC PATCH] New SA_NOPRNOTIF sigaction flag | Date | Wed, 28 Sep 2005 12:06:21 -0600 | From | "Davda, Bhavesh P \(Bhavesh\)" <> |
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> 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
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