https://manpages.ubuntu.com/manpages/xenial/man3/Ns_ReleaseSemaphore.3aolserver.html
Ubuntu Manpage: Ns_AbsTimedWaitForEvent, Ns_AllocThreadLocalStorage,
ubuntumanpagens
https://manpages.ubuntu.com/manpages/xenial/man3/Ns_ReadLockRWLock.3aolserver.html
Ubuntu Manpage: Ns_AbsTimedWaitForEvent, Ns_AllocThreadLocalStorage,
ubuntumanpagens