Messages in this thread |  | | | Date | Mon, 12 Aug 2002 17:51:30 +0200 | | From | Jan Hudec <> | | Subject | Re: kernel to user-space communication |
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On Mon, Aug 12, 2002 at 10:40:27AM -0500, daniel sheltraw wrote: > Is there a way to comminicate to a user-space program that an > interrupt has occurred in a kernel module?
You can send a signal or you can create a device for a process to wait on in poll or blocking read. Signals have quite high overhead because of the need to save state, so device will be faster (it's faster even if the process shoul clone a thread to handle it).
------------------------------------------------------------------------------- Jan 'Bulb' Hudec <bulb@ucw.cz> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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