[ros-diffs] [pschweitzer] 71030: [NTOSKRNL] Implement in a really simple way CcSetBcbOwnerPointer() and CcUnpinDataForThread(). They don't do everything the Windows Cc does, but at least, they do the basic job...

Author: pschweitzer
Date: Sun Mar 20 18:33:54 2016
New Revision: 71030

URL: http://svn.reactos.org/svn/reactos?rev=71030&view=rev
Log:
[NTOSKRNL]
Implement in a really simple way CcSetBcbOwnerPointer() and CcUnpinDataForThread(). They don't do everything the Windows Cc does, but at least, they do the basic job.

CORE-10996

Modified:
    trunk/reactos/ntoskrnl/cc/cacheman.c
    trunk/reactos/ntoskrnl/cc/pin.c
    trunk/reactos/ntoskrnl/include/internal/cc.h

Modified: trunk/reactos/ntoskrnl/cc/cacheman.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/cacheman.c?rev=...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/cacheman.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/cacheman.c	[iso-8859-1] Sun Mar 20 18:33:54 2016
@@ -117,10 +117,14 @@
    IN	PVOID	Owner
    )
 {
+    PINTERNAL_BCB iBcb = Bcb;
+
     CCTRACE(CC_API_DEBUG, "Bcb=%p Owner=%p\n",
         Bcb, Owner);

-	UNIMPLEMENTED;
+    if (iBcb->OwnerPointer)
+        DPRINT1("OwnerPointer was already set?! Old: %p, New: %p\n", iBcb->OwnerPointer, Owner);
+    iBcb->OwnerPointer = Owner;
 }

/*

Modified: trunk/reactos/ntoskrnl/cc/pin.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cc/pin.c?rev=71030...
==============================================================================
--- trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cc/pin.c	[iso-8859-1] Sun Mar 20 18:33:54 2016
@@ -242,9 +242,17 @@
     IN	PVOID Bcb,
     IN	ERESOURCE_THREAD ResourceThreadId)
 {
+    PINTERNAL_BCB iBcb = Bcb;
+
     CCTRACE(CC_API_DEBUG, "Bcb=%p ResourceThreadId=%lu\n", Bcb, ResourceThreadId);

-    UNIMPLEMENTED;
+    if (iBcb->OwnerPointer != (PVOID)ResourceThreadId)
+    {
+        DPRINT1("Invalid owner! Caller: %p, Owner: %p\n", (PVOID)ResourceThreadId, iBcb->OwnerPointer);
+        return;
+    }
+
+    return CcUnpinData(Bcb);
 }

/*

Modified: trunk/reactos/ntoskrnl/include/internal/cc.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/include/internal/c...
==============================================================================
--- trunk/reactos/ntoskrnl/include/internal/cc.h	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/include/internal/cc.h	[iso-8859-1] Sun Mar 20 18:33:54 2016
@@ -194,6 +194,7 @@
     PROS_VACB Vacb;
     BOOLEAN Dirty;
     CSHORT RefCount; /* (At offset 0x34 on WinNT4) */
+    PVOID OwnerPointer;
 } INTERNAL_BCB, *PINTERNAL_BCB;

VOID