[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=7103…
==============================================================================
--- 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/…
==============================================================================
--- 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