ksort

A Linux kernel module that creates the device /dev/sort, capable of performing concurrent sorts.

User access to the character device

In order to access the character device as a user you need to add a rule to udev with the included rules file.

$ sudo cp 99-xoro.rules /etc/udev/rules.d/
$ sudo cp 99-sort.rules /etc/udev/rules.d/
$ sudo udevadm control --reload

Build and Test

Build from source:

$ make

Test:

$ make check

You should see also more messages in the kernel log.

References

• The Linux Kernel Module Programming Guide
• Writing a simple device driver
• Character device drivers
• cdev interface
• Character device files
• Linux Workqueue

License

ksortis released under the MIT license. Use of this source code is governed by a MIT-style license that can be found in the LICENSE file.