A simple fast userspace mutex implementation for MINIX 3. General idea of futexes is explained in 'Futexes Are Tricky' by Ulrich Drepper [http://people.redhat.com/drepper/futex.pdf] [1].

This version is compatible with

To update Minix sources and recompile libraries and IPC server run:

$ make
$ make compile

NOTE: this will modify minix sources under /usr/src, backup copies will be made to backup/ directory before overwriting, run make restore in order to restore original files (you may need to recompile restored sources with make compile).

Some dummy tests are included in package, you can run them by running:

$ ./run.sh

Copyright (c) 2012 Mateusz Machalica