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From: tif@commlab1.austin.ibm.com (/32767)
Newsgroups: comp.unix.aix
Subject: Re: PS/2 device driver docs
Keywords: AIX 1.1, device driver
Message-ID: <2495@awdprime.UUCP>
Date: 1 Jun 90 14:34:55 GMT
References: <1517@dutrun.UUCP>
Sender: news@awdprime.UUCP
Organization: IBM AWD, Austin
Lines: 17

In article <1517@dutrun.UUCP> ge@dutlru2.tudelft.nl (Ge van Geldorp) writes:
>Suppose (well, don't suppose, I actually do this) I tell an adapter to
>do something, then go to sleep, to be waken up from an interrupt

I've been told and make the habit of doing it like this:

	disable_interrupts();
	while (need_to_sleep())		/* might be "if" */
		sleep();
	enable_interrupts();

Interrupts are enabled for the duration of the sleep.
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