From a528924f3be91889ff7b91c01cf7bf288a8dcca1 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Sat, 5 Mar 2011 10:21:07 +0000
Subject: [PATCH] [WIN32K] Add A function to dump all locked handles and call
 it when an assertion about 0 locks fails.

svn path=/trunk/; revision=50969
---
 .../win32/win32k/include/gdidebug.h           |  7 ++++--
 .../subsystems/win32/win32k/objects/gdidbg.c  | 24 +++++++++++++++++++
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/reactos/subsystems/win32/win32k/include/gdidebug.h b/reactos/subsystems/win32/win32k/include/gdidebug.h
index dc7179ae24f..944e546c118 100644
--- a/reactos/subsystems/win32/win32k/include/gdidebug.h
+++ b/reactos/subsystems/win32/win32k/include/gdidebug.h
@@ -20,6 +20,7 @@ enum _DEBUGCHANNELS
 void IntDumpHandleTable(PGDI_HANDLE_TABLE HandleTable);
 ULONG CaptureStackBackTace(PVOID* pFrames, ULONG nFramesToCapture);
 BOOL GdiDbgHTIntegrityCheck();
+void GdiDbgDumpLockedHandles();
 
 #define DBGENABLE(ch) gulDebugChannels |= (ch);
 #define DBGDISABLE(ch) gulDebugChannels &= ~(ch);
@@ -96,17 +97,19 @@ DbgPostServiceHook(ULONG ulSyscallId, ULONG_PTR ulResult);
 #define ID_Win32PostServiceHook 'WSH1'
 
 FORCEINLINE void
-DbgAssertNoGdiLocks(char * pszFile, ULONG nLine)
+GdiDbgAssertNoLocks(char * pszFile, ULONG nLine)
 {
     PTHREADINFO pti = (PTHREADINFO)PsGetCurrentThreadWin32Thread();
     if (pti && pti->cExclusiveLocks != 0)
     {
         DbgPrint("(%s:%ld) There are %ld exclusive locks!\n",
                  pszFile, nLine, pti->cExclusiveLocks);
+        GdiDbgDumpLockedHandles();
         ASSERT(FALSE);
     }
 }
-#define ASSERT_NOGDILOCKS() DbgAssertNoGdiLocks(__FILE__,__LINE__)
+
+#define ASSERT_NOGDILOCKS() GdiDbgAssertNoLocks(__FILE__,__LINE__)
 #else
 #define ASSERT_NOGDILOCKS()
 #endif
diff --git a/reactos/subsystems/win32/win32k/objects/gdidbg.c b/reactos/subsystems/win32/win32k/objects/gdidbg.c
index ab1a8d97f29..4be2d4d30f9 100644
--- a/reactos/subsystems/win32/win32k/objects/gdidbg.c
+++ b/reactos/subsystems/win32/win32k/objects/gdidbg.c
@@ -292,6 +292,30 @@ GDIOBJ_IncrementShareCount(POBJ Object)
 
 #endif /* GDI_DEBUG */
 
+void
+GdiDbgDumpLockedHandles()
+{
+    ULONG i;
+
+    for (i = RESERVE_ENTRIES_COUNT; i < GDI_HANDLE_COUNT; i++)
+    {
+        PGDI_TABLE_ENTRY pEntry = &GdiHandleTable->Entries[i];
+
+        if (pEntry->Type & GDI_ENTRY_BASETYPE_MASK)
+        {
+            BASEOBJECT *pObject = pEntry->KernelData;
+            if (pObject->cExclusiveLock > 0)
+            {
+                DPRINT1("Locked object: %lx, type = %lx. allocated from:\n",
+                        i, pEntry->Type);
+                GDIDBG_TRACEALLOCATOR(i);
+                DPRINT1("Locked from:\n");
+                GDIDBG_TRACELOCKER(i);
+            }
+        }
+    }
+}
+
 void
 NTAPI
 DbgPreServiceHook(ULONG ulSyscallId, PULONG_PTR pulArguments)
-- 
2.17.1