Daniel Farina <dan...@heroku.com> writes:
> The way MyCancelKey is checked now is backwards, in my mind. It seems
> like it would be better checked by the receiving PID (one can use a
> check/recheck also, if so inclined). Is there a large caveat to that?
You mean, other than the fact that kill(2) can't transmit such a key?
But actually I don't see what you hope to gain from such a change,
even if it can be made to work. Anyone who can do kill(SIGINT) can
do kill(SIGKILL), say --- so you have to be able to trust the signal
sender. What's the point of not trusting it to verify the client
identity?
regards, tom lane
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