Dual licenced, feel free to use under either Free Art License or GFDL or to dual licence it also.
Both processes need both resources. P1 has a lock on R2, P2 has a lock on R1, both processes go in wait.
Licensing
I, the copyright holder of this work, hereby publish it under the following licence:
Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art Licence. You will find a specimen of this licence on the Copyleft Attitude site as well as on other sites. http://artlibre.org/licence/lal/enFALFree Art Licensefalsetrue
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation Licence, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the licence is included in the section entitled GNU Free Documentation Licence.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue
This is a PD-young file. This means that the author, VolodyA! V Anarhist, has expressed the irrevocable wish to release it into the public domain earlier than the normal expiration under the law. If the file has been created more than 20 years ago, please remove this tag and replace it with {{User:Beta_M/PD-old|author=VolodyA! V Anarhist|years=20}} per author's request.
Note: Please do not remove other licences which may still help the people who live in jurisdiction forcing the copyright restrictions onto the public.
Captions
Add a one-line explanation of what this file represents