[fireball] 48994: [HEAP] - Move on to using a real HEAP_LOCK structure for a heap lock. - Implement kernel-mode counterparts of this lock too. Right now these don't introduce much of a difference, ...

Author: fireball
Date: Tue Oct  5 12:42:55 2010
New Revision: 48994

URL: http://svn.reactos.org/svn/reactos?rev=48994&view=rev
Log:
[HEAP]
- Move on to using a real HEAP_LOCK structure for a heap lock.
- Implement kernel-mode counterparts of this lock too. Right now these don't introduce much of a difference, but they are going to be properly used by the new heap manager code.

Modified:
    trunk/reactos/dll/ntdll/rtl/libsupp.c
    trunk/reactos/include/ndk/rtltypes.h
    trunk/reactos/ntoskrnl/rtl/libsupp.c

Modified: trunk/reactos/dll/ntdll/rtl/libsupp.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/ntdll/rtl/libsupp.c?rev...
==============================================================================
--- trunk/reactos/dll/ntdll/rtl/libsupp.c [iso-8859-1] (original)
+++ trunk/reactos/dll/ntdll/rtl/libsupp.c [iso-8859-1] Tue Oct  5 12:42:55 2010
@@ -113,33 +113,33 @@
 NTSTATUS
 NTAPI
 RtlDeleteHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    return RtlDeleteCriticalSection(CriticalSection);
+    PHEAP_LOCK Lock)
+{
+    return RtlDeleteCriticalSection(&Lock->CriticalSection);
 }

NTSTATUS
 NTAPI
 RtlEnterHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    return RtlEnterCriticalSection(CriticalSection);
+    PHEAP_LOCK Lock)
+{
+    return RtlEnterCriticalSection(&Lock->CriticalSection);
 }

NTSTATUS
 NTAPI
 RtlInitializeHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-     return RtlInitializeCriticalSection(CriticalSection);
+    PHEAP_LOCK Lock)
+{
+     return RtlInitializeCriticalSection(&Lock->CriticalSection);
 }

NTSTATUS
 NTAPI
 RtlLeaveHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    return RtlLeaveCriticalSection(CriticalSection );
+    PHEAP_LOCK Lock)
+{
+    return RtlLeaveCriticalSection(&Lock->CriticalSection);
 }

PVOID

Modified: trunk/reactos/include/ndk/rtltypes.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/ndk/rtltypes.h?rev=...
==============================================================================
--- trunk/reactos/include/ndk/rtltypes.h [iso-8859-1] (original)
+++ trunk/reactos/include/ndk/rtltypes.h [iso-8859-1] Tue Oct  5 12:42:55 2010
@@ -1038,6 +1038,21 @@
 } RTL_CRITICAL_SECTION, *PRTL_CRITICAL_SECTION;

#endif
+
+//
+// RTL Private Heap Structures
+//
+typedef struct _HEAP_LOCK
+{
+    union
+    {
+        RTL_CRITICAL_SECTION CriticalSection;
+#ifndef NTOS_MODE_USER
+        ERESOURCE Resource;
+#endif
+        UCHAR Padding[0x68]; /* Max ERESOURCE size for x64 build. Needed because RTL is built only once */
+    };
+} HEAP_LOCK, *PHEAP_LOCK;

//
 // RTL Range List Structures

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] Tue Oct  5 12:42:55 2010
@@ -157,36 +157,35 @@
 NTSTATUS
 NTAPI
 RtlDeleteHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    ASSERT(FALSE);
+    PHEAP_LOCK Lock)
+{
+    ExDeleteResource(&Lock->Resource);
     return STATUS_SUCCESS;
 }

NTSTATUS
 NTAPI
 RtlEnterHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    ASSERT(FALSE);
+    PHEAP_LOCK Lock)
+{
+    return ExAcquireResourceExclusive(&Lock->Resource, TRUE);
+}
+
+NTSTATUS
+NTAPI
+RtlInitializeHeapLock(
+    PHEAP_LOCK Lock)
+{
+    ExInitializeResource(&Lock->Resource);
     return STATUS_SUCCESS;
 }

NTSTATUS
 NTAPI
-RtlInitializeHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-   ASSERT(FALSE);
-   return STATUS_SUCCESS;
-}
-
-NTSTATUS
-NTAPI
 RtlLeaveHeapLock(
-    PRTL_CRITICAL_SECTION CriticalSection)
-{
-    ASSERT(FALSE);
+    PHEAP_LOCK Lock)
+{
+    ExReleaseResource(&Lock->Resource);
     return STATUS_SUCCESS;
 }