src/core/unix-system-thread.cc
2009-11-12 replace RefCountBase with SimpleRefCount<> to avoid duplicate refcounting implementations.
2008-10-23 structured thread exit methods
2008-10-23 Apply thread interrupt patch
2008-07-28 bug 262: fix g++ 4.3 build
2008-07-15 add system threads and synchronization primitives
2006-08-29 change yans namespace to ns3
2006-08-29 import from yans