In theory, the process is only terminated if do_raise() returns true; that only happens if there is no signal handler set for sighup.
If there is a signal handler set, it gets called by do_raise(), whence it has as long as it decides to take, and sig_terminate() is never called. There is no sense in adding a Sleep 950; (which is a little under a second not 9.5 seconds) anywhere.
In reality, I can't get a sighup signal handler to ever be invoked even on 5.18. I run vista, and I never see a dialog prompting me; nor is there any delay 10s or otherwise between killing the process and it disappearing; regardless of whether I've installed a signal handler for HUP.
I'm not really sure I understand your motivation for meditating on this; but I think you need to do a lot more reading and experimenting.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
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