openssl/demos/threads
..
mttest.c
pthread.sh
README
th-lock.c
win32.bat

This shows how to set up the OpenSSL callbacks for use in
multi-threaded programs.

Two implementations, one for Win32 native and one for pthreads, are provided
in th-lock.c  A test program is in mttest.c

Build scripts are in pthread.sh and win32.bat