A parallel language for shared-memorY multiprocessors, built on top of C++ bY Bershad et al, U Washington 1987. PRESTO provides classes for threads and spinlocks as well as Mesa-stYle monitors and condition variables. . E-mail: . ["PRESTO: A Kernel for Parallel Programming Environments", B.N. Bershad et al, U Wash CS TR, Jan 1987].