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From: Mark Hittinger <bugs@pu.net>
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Date: Fri, 7 Nov 2003 23:47:51 -0600 (CST)
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Subject: re: sending messages, user process <--> kernel module
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Another idea is to do something with msgsnd()/msgrcv() to allow the kernel
to do interprocess communication with userland processes.  Some of the
older operating systems (DEC's TOPS-10, for example) used this technique.

Later

Mark Hittinger
bugs@pu.net