On 2018-02-15 20:11:07 +0900, Kyotaro HORIGUCHI wrote:
> As in another mail just before, spin.c seems a bit strange
> (without acutual harm).
>
> spin.h doesn't include pg_sema.h when HAVE_SPINLOCKS is defined,
> but spin.c always includes it even in the case. The file is
> included only to use sizeof(PGSemaphore) to calcualte
> SpinlockSemaSize as 0.
>
> The codes that requires PGSempaphore is inactivated when the
> symbol is defined in all other places so it seems to me that we
> ought to refrain from using it there, too. The attched patch does
IDK, I don't quite see the point of the change here...
Greetings,
Andres Freund
