https://docs.oracle.com/cd/E88353_01/html/E37855/membar-exit-9f.html
membar_exit - man pages section 9: DDI and DKI Kernel Functions
membar_ops, membar_enter , membar_exit , membar_producer , membar_consumer - memory access synchronization barrier operations
man pagesexitsection
https://www.unix.com/man_page/sunos/3c/membar_consumer/
membar_consumer(3c) sunos man page | unix.com
Man page for membar_consumer(3c) on sunos, from the unix.com online archive.
man pageconsumersunosunix