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From: jmk@plan9.bell-labs.com jmk@plan9.bell-labs.com
Subject: [9fans] Hooking up to a timer in a driver
Date: Mon, 21 Jun 1999 23:20:49 -0400	[thread overview]
Message-ID: <19990622032049.2CzivhrutfWZIPc4ogiFQYBz27duPNb2QB9sc3ZZL6Y@z> (raw)

cpane@metamorsw.com:
	>It looks like if you want to get interrupted you insert a call to your
	>clock routine inside the clock() function in pc/clock.c.

Yes, you can do that. Brazil has slightly generalised this by having a routine
which drivers can call to add a function to a linked-list of functions to be called
per clock tick, so there are no dependancies in clock.c for the uart, mouse, etc.

--jim




             reply	other threads:[~1999-06-22  3:20 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-06-22  3:20 jmk [this message]
  -- strict thread matches above, loose matches on Subject: below --
1999-06-22  2:17 Christopher
1999-06-21 18:05 Chris
1999-06-21 17:51 Chris

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