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compobj: Implement reference counting for the standard allocator. 

Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-01-15 00:24:33 -06:00 committed by Alexandre Julliard
parent 9af935a519
commit bfaf90137e
2 changed files with 21 additions and 15 deletions
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34
dlls/compobj.dll16/compobj.c
View File

@ -111,8 +111,8 @@ static SEGPTR compobj_malloc;
typedef struct
{
IMalloc16 IMalloc16_iface;
DWORD ref;
IMalloc16 IMalloc16_iface;
LONG refcount;
} IMalloc16Impl;
static inline IMalloc16Impl *impl_from_IMalloc16(IMalloc16 *iface)
@ -139,21 +139,28 @@ HRESULT CDECL IMalloc16_fnQueryInterface(IMalloc16* iface,REFIID refiid,LPVOID *
/******************************************************************************
* IMalloc16_AddRef [COMPOBJ.501]
*/
ULONG CDECL IMalloc16_fnAddRef(IMalloc16* iface) {
IMalloc16Impl *This = impl_from_IMalloc16(iface);
TRACE("(%p)->AddRef()\n",This);
return 1; /* cannot be freed */
ULONG CDECL IMalloc16_fnAddRef(IMalloc16 *iface)
{
IMalloc16Impl *malloc = impl_from_IMalloc16(iface);
ULONG refcount = InterlockedIncrement(&malloc->refcount);
TRACE("%p increasing refcount to %u.\n", malloc, refcount);
return refcount;
}
/******************************************************************************
* IMalloc16_Release [COMPOBJ.502]
*/
ULONG CDECL IMalloc16_fnRelease(IMalloc16* iface) {
IMalloc16Impl *This = impl_from_IMalloc16(iface);
TRACE("(%p)->Release()\n",This);
return 1; /* cannot be freed */
ULONG CDECL IMalloc16_fnRelease(SEGPTR iface)
{
IMalloc16Impl *malloc = impl_from_IMalloc16(MapSL(iface));
ULONG refcount = InterlockedDecrement(&malloc->refcount);
TRACE("%p decreasing refcount to %u.\n", malloc, refcount);
if (!refcount)
{
UnMapLS(iface);
HeapFree(GetProcessHeap(), 0, malloc);
}
return refcount;
}
/******************************************************************************
@ -257,11 +264,10 @@ static SEGPTR IMalloc16_Constructor(void)
msegvt16 = MapLS( &vt16 );
}
This->IMalloc16_iface.lpVtbl = msegvt16;
This->ref = 1;
This->refcount = 1;
return MapLS(This);
}
/******************************************************************************
* CoBuildVersion [COMPOBJ.1]
*/

2
dlls/compobj.dll16/compobj.dll16.spec
View File

@ -209,7 +209,7 @@
# WINE internal relays (for Win16 interfaces)
500 cdecl IMalloc16_QueryInterface(ptr ptr ptr) IMalloc16_fnQueryInterface
501 cdecl IMalloc16_AddRef(ptr) IMalloc16_fnAddRef
502 cdecl IMalloc16_Release(ptr) IMalloc16_fnRelease
502 cdecl IMalloc16_Release(segptr) IMalloc16_fnRelease
503 cdecl IMalloc16_Alloc(ptr long) IMalloc16_fnAlloc
504 cdecl IMalloc16_Realloc(ptr segptr long) IMalloc16_fnRealloc
505 cdecl IMalloc16_Free(ptr segptr) IMalloc16_fnFree