[ros-dev] Re: [ros-diffs] [ion] 20579: - Change dispatcher lock release to be more like documented in Windows Internals II and to allow an easier move to Queued Spinlock.

[Hartmut Birr]

[e-mail] wrote:
> Change dispatcher lock release to be more like documented in Windows Internals II and to allow an easier move to Queued Spinlock.
>
> Modified: trunk/reactos/ntoskrnl/include/internal/ke.h
> Modified: trunk/reactos/ntoskrnl/ke/wait.c
>
> *Modified: trunk/reactos/ntoskrnl/include/internal/ke.h*
> --- trunk/reactos/ntoskrnl/include/internal/ke.h	2006-01-05 15:29:08 UTC (rev 20578)
> +++ trunk/reactos/ntoskrnl/include/internal/ke.h	2006-01-05 15:32:08 UTC (rev 20579)
> @@ -51,6 +51,7 @@
>  #ifndef CONFIG_SMP
>  #define KeInitializeDispatcher()
>  #define KeAcquireDispatcherDatabaseLock() KeRaiseIrqlToDpcLevel();
>
> +#define KeReleaseDispatcherDatabaseLock(OldIrql) KiExitDispatcher(OldIrql);
>
> #define KeAcquireDispatcherDatabaseLockAtDpcLevel()
>  #define KeReleaseDispatcherDatabaseLockFromDpcLevel()
>  #else
> @@ -60,6 +61,9 @@
>  KeAcquireSpinLockAtDpcLevel (&DispatcherDatabaseLock);
>
> #define KeReleaseDispatcherDatabaseLockFromDpcLevel() \
>      KeReleaseSpinLockFromDpcLevel(&DispatcherDatabaseLock);
>
> +#define KeReleaseDispatcherDatabaseLock(OldIrql) \
> KeReleaseSpinLockFromDpcLevel(&DispatcherDatabaseLock); \
> KiExitDispatcher(OldIrql);
>
> #endif

I don't like inverted logic. It is more readable like this:

#ifdef CONFIG_SMP
...
#else
...
#endif

- Hartmut