[rmessiant] 53729: [NTOSKRNL] Disable normal APC delivery while acquiring/releasing a heap lock. Also, BOOLEAN != NTSTATUS.

Author: rmessiant
Date: Sat Sep 17 20:26:31 2011
New Revision: 53729
URL: http://svn.reactos.org/svn/reactos?rev=53729&view=rev
Log:
[NTOSKRNL]
Disable normal APC delivery while acquiring/releasing a heap lock. Also, BOOLEAN !=
NTSTATUS.
Modified:
    trunk/reactos/ntoskrnl/rtl/libsupp.c
Modified: trunk/reactos/ntoskrnl/rtl/libsupp.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/rtl/libsupp.c?rev…
==============================================================================
--- trunk/reactos/ntoskrnl/rtl/libsupp.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/rtl/libsupp.c [iso-8859-1] Sat Sep 17 20:26:31 2011
@@ -168,7 +168,10 @@
 RtlEnterHeapLock(
     PHEAP_LOCK Lock)
 {
-    return ExAcquireResourceExclusive(&Lock->Resource, TRUE);
+    KeEnterCriticalRegion();
+    ExAcquireResourceExclusive(&Lock->Resource, TRUE);
+    KeLeaveCriticalRegion();
+    return STATUS_SUCCESS;
 }
 NTSTATUS
@@ -185,7 +188,9 @@
 RtlLeaveHeapLock(
     PHEAP_LOCK Lock)
 {
+    KeEnterCriticalRegion();
     ExReleaseResource(&Lock->Resource);
+    KeLeaveCriticalRegion();
     return STATUS_SUCCESS;
 }