gdi32: Dump GDI objects in the case of running out of GDI heap space.
Dmitry Timoshkov
dmitry at codeweavers.com
Wed Feb 24 03:11:32 CST 2010
---
dlls/gdi32/gdiobj.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/dlls/gdi32/gdiobj.c b/dlls/gdi32/gdiobj.c
index c45ff4b..8dedbdc 100644
--- a/dlls/gdi32/gdiobj.c
+++ b/dlls/gdi32/gdiobj.c
@@ -635,6 +635,50 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
static GDIOBJHDR *large_handles[MAX_LARGE_HANDLES];
static int next_large_handle;
+static const char *gdi_obj_type( unsigned type )
+{
+ switch ( type )
+ {
+ case OBJ_PEN: return "OBJ_PEN";
+ case OBJ_BRUSH: return "OBJ_BRUSH";
+ case OBJ_DC: return "OBJ_DC";
+ case OBJ_METADC: return "OBJ_METADC";
+ case OBJ_PAL: return "OBJ_PAL";
+ case OBJ_FONT: return "OBJ_FONT";
+ case OBJ_BITMAP: return "OBJ_BITMAP";
+ case OBJ_REGION: return "OBJ_REGION";
+ case OBJ_METAFILE: return "OBJ_METAFILE";
+ case OBJ_MEMDC: return "OBJ_MEMDC";
+ case OBJ_EXTPEN: return "OBJ_EXTPEN";
+ case OBJ_ENHMETADC: return "OBJ_ENHMETADC";
+ case OBJ_ENHMETAFILE: return "OBJ_ENHMETAFILE";
+ case OBJ_COLORSPACE: return "OBJ_COLORSPACE";
+ default: return "UNKNOWN";
+ }
+}
+
+static void dump_gdi_objects( void )
+{
+ int i;
+
+ MESSAGE( "dump of %u GDI objects:\n", MAX_LARGE_HANDLES );
+
+ EnterCriticalSection( &gdi_section );
+ for (i = 0; i < MAX_LARGE_HANDLES; i++)
+ {
+ if (!large_handles[i])
+ {
+ MESSAGE( "index %d handle %p FREE\n", i, (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2) );
+ continue;
+ }
+ MESSAGE( "handle %p obj %p type %s selcount %u deleted %u\n",
+ (HGDIOBJ)(ULONG_PTR)((i + FIRST_LARGE_HANDLE) << 2),
+ large_handles[i], gdi_obj_type( large_handles[i]->type ),
+ large_handles[i]->selcount, large_handles[i]->deleted );
+ }
+ LeaveCriticalSection( &gdi_section );
+}
+
/***********************************************************************
* alloc_gdi_handle
*
@@ -658,6 +702,9 @@ HGDIOBJ alloc_gdi_handle( GDIOBJHDR *obj, WORD type, const struct gdi_obj_funcs
for (i = 0; i <= next_large_handle; i++)
if (!large_handles[i]) goto found;
LeaveCriticalSection( &gdi_section );
+
+ ERR( "run out of GDI object heap, expect a crash\n" );
+ if (TRACE_ON(gdi)) dump_gdi_objects();
return 0;
found:
--
1.7.0
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