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]

ion(a)svn.reactos.org 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