VMS Help DCE_THREADS, Thread Intro, Non Portable Extensions  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  DECthreads also provides routines that implement nonportable extensions
  to the POSIX 1003.1c standard.  These routines are grouped into these
  functional categories:

  Additional Information (explode) :

• Thread Execution Routines
• Thread Attributes Routines
• DECthreads Global Mutex Routines
• Mutex Attributes Routines
• Condition Variable Routines
• DECthreads Exception Object Routines