* Tom Lane <tgl@sss.pgh.pa.us> [001117 23:21]:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Other backend will see they are not the lowest
> > WAIT_ON_FSYNC and will wait for their byte to be set to NOT_IN_COMMIT
> > so they can then continue, knowing their data was synced.
>
> How will they wait? Without a semaphore involved, your answer must
> be either "timed sleep" or "busy-wait loop", neither of which is
> attractive ...
how about sigpause, and using SIGUSR1/SIGUSR2 to wake them up ?
>
> regards, tom lane
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 (voice) Internet: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749