mlw <markw(at)mohawksoft(dot)com> writes:
> Upon doing some inspection of apache 2.x, it seems that me making a SysV
> Windows .DLL for PostgreSQL, while a cool project, would be unnecessary.
> The APR (Apache Portable Runtime) seems to have all the necessary support.
Does it? AFAICT they intend to provide mutexes not counting semaphores.
Their implementation atop SysV semaphores would work the way we need
(ie, remember multiple unlocks arriving before a lock operation), but
I'm unclear on whether any of the other ones would.
regards, tom lane