Write a device driver for a character device which implements a simple way of message passing. The kernel maintains a list of messages. To limit memory usage, we impose a limit of 4KB for each message, and also impose a limit of the size of all messages, which is initially 2MB.

Filename	Size	Update
os exercise3	0	2018-02-24
os exercise3\.DS_Store	6148	2017-12-08
__MACOSX	0	2018-07-20
__MACOSX\os exercise3	0	2018-07-20
__MACOSX\os exercise3\._.DS_Store	120	2017-12-08
os exercise3\charDeviceDriverBlocking.c	5833	2017-12-08
__MACOSX\os exercise3\._charDeviceDriverBlocking.c	1040	2017-12-08
os exercise3\Makefile	451	2017-12-08
__MACOSX\os exercise3\._Makefile	986	2017-12-08
os exercise3\charDeviceDriver.c	4958	2017-12-08
__MACOSX\os exercise3\._charDeviceDriver.c	1016	2017-12-08

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