[Lazarus] semaphores

Henry Vermaak henry.vermaak at gmail.com
Tue Feb 14 14:01:38 CET 2012


On 14/02/12 11:15, Michael Schnell wrote:
>
> System 5 named semaphores (sem_open() and friends) are designed to work
> system wide and (AFAI remember) don’t need any userspace memory resources.

sem_open() is _not_ part of System V semaphores, it's part of POSIX 
semaphores and part of nptl.  It uses futex internally.

Henry




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