That is also good, but requires apps be rewritten to read from signalfd. With the separate thread approach you can get away without having to rewrite programs.

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inigyou 13 hours ago | parent [-]

Incorrect. With the separate thread approach you added a lot of new race conditions.

	▲	charcircuit 6 hours ago \| parent [-]
		In practice I don't think there would be that many. You could even pause execution of the thread that would have gotten the signal to make it even safer.