Alexandre Julliard : ntdll: Set the heap debug flags based on the GlobalFlag value.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9055e9e3dd41504431af5e6fcb6be49ef1a7cbc8
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=9055e9e3dd41504431af5e6fcb...

Author: Alexandre Julliard <julliard(a)winehq.org>
Date:   Fri Jan 22 12:33:03 2010 +0100

ntdll: Set the heap debug flags based on the GlobalFlag value.

---

 dlls/ntdll/heap.c       |   33 +++++++++++++++++++++++++++++++++
 dlls/ntdll/loader.c     |    1 +
 dlls/ntdll/ntdll_misc.h |    1 +
 3 files changed, 35 insertions(+), 0 deletions(-)

diff --git a/dlls/ntdll/heap.c b/dlls/ntdll/heap.c
index adaf693..a1fc764 100644
--- a/dlls/ntdll/heap.c
+++ b/dlls/ntdll/heap.c
@@ -155,6 +155,12 @@ typedef struct tagHEAP
 #define HEAP_DEF_SIZE        0x110000   /* Default heap size = 1Mb + 64Kb */
 #define COMMIT_MASK          0xffff  /* bitmask for commit/decommit granularity */
 
+/* some undocumented flags (names are made up) */
+#define HEAP_PAGE_ALLOCS      0x01000000
+#define HEAP_VALIDATE         0x10000000
+#define HEAP_VALIDATE_ALL     0x20000000
+#define HEAP_VALIDATE_PARAMS  0x40000000
+
 static HEAP *processHeap;  /* main process heap */
 
 static BOOL HEAP_IsRealArena( HEAP *heapPtr, DWORD flags, LPCVOID block, BOOL quiet );
@@ -1233,6 +1239,32 @@ static BOOL HEAP_IsRealArena( HEAP *heapPtr,   /* [in] ptr to the heap */
 
 
 /***********************************************************************
+ *           heap_set_debug_flags
+ */
+void heap_set_debug_flags( HANDLE handle )
+{
+    HEAP *heap = HEAP_GetPtr( handle );
+    ULONG global_flags = RtlGetNtGlobalFlags();
+    ULONG flags = 0;
+
+    if (global_flags & FLG_HEAP_ENABLE_TAIL_CHECK) flags |= HEAP_TAIL_CHECKING_ENABLED;
+    if (global_flags & FLG_HEAP_ENABLE_FREE_CHECK) flags |= HEAP_FREE_CHECKING_ENABLED;
+    if (global_flags & FLG_HEAP_DISABLE_COALESCING) flags |= HEAP_DISABLE_COALESCE_ON_FREE;
+    if (global_flags & FLG_HEAP_PAGE_ALLOCS) flags |= HEAP_PAGE_ALLOCS | HEAP_GROWABLE;
+
+    if (global_flags & FLG_HEAP_VALIDATE_PARAMETERS)
+        flags |= HEAP_VALIDATE | HEAP_VALIDATE_PARAMS |
+                 HEAP_TAIL_CHECKING_ENABLED | HEAP_FREE_CHECKING_ENABLED;
+    if (global_flags & FLG_HEAP_VALIDATE_ALL)
+        flags |= HEAP_VALIDATE | HEAP_VALIDATE_ALL |
+                 HEAP_TAIL_CHECKING_ENABLED | HEAP_FREE_CHECKING_ENABLED;
+
+    heap->flags |= flags;
+    heap->force_flags |= flags & ~(HEAP_VALIDATE | HEAP_DISABLE_COALESCE_ON_FREE);
+}
+
+
+/***********************************************************************
  *           RtlCreateHeap   (NTDLL.@)
  *
  * Create a new Heap.
@@ -1278,6 +1310,7 @@ HANDLE WINAPI RtlCreateHeap( ULONG flags, PVOID addr, SIZE_T totalSize, SIZE_T c
         list_init( &processHeap->entry );
     }
 
+    heap_set_debug_flags( subheap->heap );
     return subheap->heap;
 }
 
diff --git a/dlls/ntdll/loader.c b/dlls/ntdll/loader.c
index 1172a86..7bbcf95 100644
--- a/dlls/ntdll/loader.c
+++ b/dlls/ntdll/loader.c
@@ -2656,6 +2656,7 @@ void WINAPI LdrInitializeThunk( void *kernel_start, ULONG_PTR unknown2,
     if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
     if ((status = alloc_process_tls()) != STATUS_SUCCESS) goto error;
     if ((status = alloc_thread_tls()) != STATUS_SUCCESS) goto error;
+    heap_set_debug_flags( GetProcessHeap() );
 
     status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase );
     if (status != STATUS_SUCCESS) goto error;
diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index 586250d..c7b721a 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -70,6 +70,7 @@ extern void actctx_init(void);
 extern void virtual_init(void);
 extern void virtual_init_threading(void);
 extern void fill_cpu_info(void);
+extern void heap_set_debug_flags( HANDLE handle );
 
 /* server support */
 extern timeout_t server_start_time;