There are some techniques you can use to notify a user-mode thread from the kernel. I'd refer you to Walter Oney's book: Programming the windows driver model, 2nd edition. Also, this discussion list might not be the ideal one for discussing this, since it's not related to WDM audio drivers as such. NTDEV is a much better place for this : http://www.osronline.com/page.cfm?name=ListServer Good luck! Mat -----Original Message----- From: ns [mailto:neslon@xxxxxxxxx] Sent: Friday, September 12, 1997 11:21 AM To: wdmaudiodev@xxxxxxxxxxxxx Cc: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] notification of ASIO thread to make it copy data Hi All !!! Just now I wondering how to notify _user mode_ ASIO thread that it's time to copy HW-prepared data? There are funcs as KeSetEvent - but they works with _kernel mode_ threads which ccan't be under win98... -- Best regards, ns mailto:neslon@xxxxxxxxx ===8<===========End of original message text=========== -- Best regards, ns mailto:neslon@xxxxxxxxx ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/ ****************** WDMAUDIODEV addresses: Post message: mailto:wdmaudiodev@xxxxxxxxxxxxx Subscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=subscribe Unsubscribe: mailto:wdmaudiodev-request@xxxxxxxxxxxxx?subject=unsubscribe Moderator: mailto:wdmaudiodev-moderators@xxxxxxxxxxxxx URL to WDMAUDIODEV page: http://www.wdmaudiodev.de/