08.12.2015 14:56, Vlad Khorsun wrote:
> Do you see the principal difference with Firebird asm code i show ?
Principal difference - no. Size difference - yes.
> Do you see the loop with compare_exchange ?
Yes.
> Do you see the "lock or" operation ?
Yes.
> Do you still have questions ?
Yes: why to write 6 lines of code instead of two?
if ((dbb_flags.interlockedOr(DBB_sweep_starting) & (DBB_sweep_in_progress |
DBB_sweep_starting))
|| (dbb_ast_flags & DBB_shutdown))
return false;
--
WBR, SD.
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