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> > In any case, when one backend quits and another one is
> > started, the new
> > one will re-use the semaphore no longer used by the defunct backend.
>
> I have tested my solution a bit more and I have to say that reusing a
> semaphore by a new backend works OK. But it is not possible for a newly
> created backend to use a semaphore allocated by postmaster (it freezes on
> test if the semaphore with given key already exists - done with
> semId=semget(semKey, 0, 0) in function IpcSemaphoreCreate() in
> storage/ipc/ipc.c ). Why it is, I don't know, but it seems that my solution
> uses the ipc library in the right way. There are no longer any error
> messages from the ipc library when running the server. And I can't say that
> the ipc library is a 100% correct implementation of SysV IPC, it is probably
> (sure ;-) )caused by the Windows internals.
Seems we may have to use the patch, or make some other patch for NT-only
that works around this NT bug.
-- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610)
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