3 Library implementing extra features on top of POSIX threads.
4 Currently only tested on Linux. Mostly experimental code.
8 * pthread_msgqueue - implements message queues, more features than POSIX mqueue (no known issues, but not really tested)
9 * pthread_multi - lock multiple mutexes at once (might cause deadlocks in complex scenarios)
10 * pthread_pause - implements suspend/resume functionality for pthreads (causes deadlocks under high load)