File Object Lock with WDK
in [Device Drivers]
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From: Maxim S. Shatskih on 29 Aug 2010 09:06 > Because it is wrong to ask the user to close an application with penalty of > entire system not responding. Serial is an exclusive device by its very design, so, such things are OK. -- Maxim S. Shatskih Windows DDK MVP maxim(a)storagecraft.com http://www.storagecraft.com
From: Maxim S. Shatskih on 29 Aug 2010 09:07 > I *can* imagine asking the user to reboot. > Users know that Windows likes reboots ;) There is nothing about the entire system, only about 1 app (or service). -- Maxim S. Shatskih Windows DDK MVP maxim(a)storagecraft.com http://www.storagecraft.com
From: Asaf Shelly on 29 Aug 2010 17:12 > > I *can* imagine asking the user to reboot. > Users know that Windows likes reboots ;) > > --pa I have to admit that I just restarted my machine because of the compiler issue. If I get a single call asking me to come see why "my driver isn't working", I'll have to go over the configuration and then the user's code etc. A good day's work and I can respond. Imagine buying Microsoft webcam and it will stall because your mobile phone service is also using WinUSB.. Everytime you have a call your camera will miss frames. A device designed for handling File Objects is expecting to handle multiple users otherwise what's the point in FOs? Asaf
From: Asaf Shelly on 29 Aug 2010 17:15 > > Because it is wrong to ask the user to close an application with penalty of > > entire system not responding. > > Serial is an exclusive device by its very design, so, such things are OK. > I am allowing general file-system targets including COM, LPT, Pipes, etc. My user does not care how I implement my 'engine'. Just as you don't care that IRDA is over a serial port and USB is over PCI...
From: Maxim S. Shatskih on 29 Aug 2010 17:21
> A device designed for handling File Objects is expecting to handle multiple > users ....and serial port is expecting to handle 1 user only. -- Maxim S. Shatskih Windows DDK MVP maxim(a)storagecraft.com http://www.storagecraft.com |