Messages in this thread | | | Date | Thu, 21 Aug 2003 11:14:45 -0400 (EDT) | From | "Richard B. Johnson" <> | Subject | Re: Messaging between kernel modules and User Apps |
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On Thu, 21 Aug 2003, Pankaj Garg wrote:
> Hi, > > I am writing a kernel module. The module will need to send asynchronous > messages to a User Application. Is there a good and efficient way of > doing this? > > > Thanks, > Pankaj > The de facto standard for network devices is to use sockets. For character and and block devices Unix/Linux uses the open/poll/ioctl/read mechanisms. Some Linux drivers use the /proc file-system for 'information'. You could send your module a pid via proc and have it send a signal to your application as a result of an event.
Cheers, Dick Johnson Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips). Note 96.31% of all statistics are fiction.
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