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Sweden-Number/dlls/ole32/stubmanager.c

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/*
* A stub manager is an object that controls interface stubs. It is
* identified by an OID (object identifier) and acts as the network
* identity of the object. There can be many stub managers in a
* process or apartment.
*
* Copyright 2002 Marcus Meissner
* Copyright 2004 Mike Hearn for CodeWeavers
* Copyright 2004 Robert Shearman (for CodeWeavers)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include <assert.h>
#include <stdarg.h>
#include <limits.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "objbase.h"
#include "rpc.h"
#include "wine/debug.h"
#include "compobj_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
/* generates an ipid in the following format (similar to native version):
* Data1 = apartment-local ipid counter
* Data2 = apartment creator thread ID
* Data3 = process ID
* Data4 = random value
*/
static inline HRESULT generate_ipid(struct stub_manager *m, IPID *ipid)
{
HRESULT hr;
hr = UuidCreate(ipid);
if (FAILED(hr))
{
ERR("couldn't create IPID for stub manager %p\n", m);
UuidCreateNil(ipid);
return hr;
}
ipid->Data1 = InterlockedIncrement(&m->apt->ipidc);
ipid->Data2 = (USHORT)m->apt->tid;
ipid->Data3 = (USHORT)GetCurrentProcessId();
return S_OK;
}
/* registers a new interface stub COM object with the stub manager and returns registration record */
struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, IUnknown *iptr, REFIID iid, DWORD dest_context,
void *dest_context_data, MSHLFLAGS flags)
{
struct ifstub *stub;
HRESULT hr;
TRACE("oid=%s, stubbuffer=%p, iptr=%p, iid=%s\n",
wine_dbgstr_longlong(m->oid), sb, iptr, debugstr_guid(iid));
stub = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct ifstub));
if (!stub) return NULL;
hr = RPC_CreateServerChannel(dest_context, dest_context_data, &stub->chan);
if (hr != S_OK)
{
HeapFree(GetProcessHeap(), 0, stub);
return NULL;
}
stub->stubbuffer = sb;
if (sb) IRpcStubBuffer_AddRef(sb);
IUnknown_AddRef(iptr);
stub->iface = iptr;
stub->flags = flags;
stub->iid = *iid;
/* FIXME: find a cleaner way of identifying that we are creating an ifstub
* for the remunknown interface */
if (flags & MSHLFLAGSP_REMUNKNOWN)
stub->ipid = m->oxid_info.ipidRemUnknown;
else
generate_ipid(m, &stub->ipid);
EnterCriticalSection(&m->lock);
list_add_head(&m->ifstubs, &stub->entry);
/* every normal marshal is counted so we don't allow more than we should */
if (flags & MSHLFLAGS_NORMAL) m->norm_refs++;
LeaveCriticalSection(&m->lock);
TRACE("ifstub %p created with ipid %s\n", stub, debugstr_guid(&stub->ipid));
return stub;
}
static void stub_manager_delete_ifstub(struct stub_manager *m, struct ifstub *ifstub)
{
TRACE("m=%p, m->oid=%s, ipid=%s\n", m, wine_dbgstr_longlong(m->oid), debugstr_guid(&ifstub->ipid));
list_remove(&ifstub->entry);
RPC_UnregisterInterface(&ifstub->iid);
if (ifstub->stubbuffer) IRpcStubBuffer_Release(ifstub->stubbuffer);
IUnknown_Release(ifstub->iface);
IRpcChannelBuffer_Release(ifstub->chan);
HeapFree(GetProcessHeap(), 0, ifstub);
}
static struct ifstub *stub_manager_ipid_to_ifstub(struct stub_manager *m, const IPID *ipid)
{
struct list *cursor;
struct ifstub *result = NULL;
EnterCriticalSection(&m->lock);
LIST_FOR_EACH( cursor, &m->ifstubs )
{
struct ifstub *ifstub = LIST_ENTRY( cursor, struct ifstub, entry );
if (IsEqualGUID(ipid, &ifstub->ipid))
{
result = ifstub;
break;
}
}
LeaveCriticalSection(&m->lock);
return result;
}
struct ifstub *stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags)
{
struct ifstub *result = NULL;
struct ifstub *ifstub;
EnterCriticalSection(&m->lock);
LIST_FOR_EACH_ENTRY( ifstub, &m->ifstubs, struct ifstub, entry )
{
if (IsEqualIID(iid, &ifstub->iid) && (ifstub->flags == flags))
{
result = ifstub;
break;
}
}
LeaveCriticalSection(&m->lock);
return result;
}
/* creates a new stub manager and adds it into the apartment. caller must
* release stub manager when it is no longer required. the apartment and
* external refs together take one implicit ref */
struct stub_manager *new_stub_manager(APARTMENT *apt, IUnknown *object)
{
struct stub_manager *sm;
assert( apt );
sm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct stub_manager));
if (!sm) return NULL;
list_init(&sm->ifstubs);
InitializeCriticalSection(&sm->lock);
DEBUG_SET_CRITSEC_NAME(&sm->lock, "stub_manager");
IUnknown_AddRef(object);
sm->object = object;
sm->apt = apt;
/* start off with 2 references because the stub is in the apartment
* and the caller will also hold a reference */
sm->refs = 2;
sm->weakrefs = 0;
sm->oxid_info.dwPid = GetCurrentProcessId();
sm->oxid_info.dwTid = GetCurrentThreadId();
/*
* FIXME: this is a hack for marshalling IRemUnknown. In real
* DCOM, the IPID of the IRemUnknown interface is generated like
* any other and passed to the OXID resolver which then returns it
* when queried. We don't have an OXID resolver yet so instead we
* use a magic IPID reserved for IRemUnknown.
*/
sm->oxid_info.ipidRemUnknown.Data1 = 0xffffffff;
sm->oxid_info.ipidRemUnknown.Data2 = 0xffff;
sm->oxid_info.ipidRemUnknown.Data3 = 0xffff;
assert(sizeof(sm->oxid_info.ipidRemUnknown.Data4) == sizeof(apt->oxid));
memcpy(sm->oxid_info.ipidRemUnknown.Data4, &apt->oxid, sizeof(OXID));
sm->oxid_info.dwAuthnHint = RPC_C_AUTHN_LEVEL_NONE;
sm->oxid_info.psa = NULL /* FIXME */;
/* Yes, that's right, this starts at zero. that's zero EXTERNAL
* refs, i.e., nobody has unmarshalled anything yet. We can't have
* negative refs because the stub manager cannot be explicitly
* killed, it has to die by somebody unmarshalling then releasing
* the marshalled ifptr.
*/
sm->extrefs = 0;
EnterCriticalSection(&apt->cs);
sm->oid = apt->oidc++;
list_add_head(&apt->stubmgrs, &sm->entry);
LeaveCriticalSection(&apt->cs);
TRACE("Created new stub manager (oid=%s) at %p for object with IUnknown %p\n", wine_dbgstr_longlong(sm->oid), sm, object);
return sm;
}
/* caller must remove stub manager from apartment prior to calling this function */
static void stub_manager_delete(struct stub_manager *m)
{
struct list *cursor;
TRACE("destroying %p (oid=%s)\n", m, wine_dbgstr_longlong(m->oid));
/* release every ifstub */
while ((cursor = list_head(&m->ifstubs)))
{
struct ifstub *ifstub = LIST_ENTRY(cursor, struct ifstub, entry);
stub_manager_delete_ifstub(m, ifstub);
}
CoTaskMemFree(m->oxid_info.psa);
IUnknown_Release(m->object);
DEBUG_CLEAR_CRITSEC_NAME(&m->lock);
DeleteCriticalSection(&m->lock);
HeapFree(GetProcessHeap(), 0, m);
}
/* increments the internal refcount */
static ULONG stub_manager_int_addref(struct stub_manager *This)
{
ULONG refs;
EnterCriticalSection(&This->apt->cs);
refs = ++This->refs;
LeaveCriticalSection(&This->apt->cs);
TRACE("before %d\n", refs - 1);
return refs;
}
/* decrements the internal refcount */
ULONG stub_manager_int_release(struct stub_manager *This)
{
ULONG refs;
APARTMENT *apt = This->apt;
EnterCriticalSection(&apt->cs);
refs = --This->refs;
TRACE("after %d\n", refs);
/* remove from apartment so no other thread can access it... */
if (!refs)
list_remove(&This->entry);
LeaveCriticalSection(&apt->cs);
/* ... so now we can delete it without being inside the apartment critsec */
if (!refs)
stub_manager_delete(This);
return refs;
}
/* gets the stub manager associated with an object - caller must have
* a reference to the apartment while a reference to the stub manager is held.
* it must also call release on the stub manager when it is no longer needed */
struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, void *object)
{
struct stub_manager *result = NULL;
struct list *cursor;
EnterCriticalSection(&apt->cs);
LIST_FOR_EACH( cursor, &apt->stubmgrs )
{
struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
if (m->object == object)
{
result = m;
stub_manager_int_addref(result);
break;
}
}
LeaveCriticalSection(&apt->cs);
if (result)
TRACE("found %p for object %p\n", result, object);
else
TRACE("not found for object %p\n", object);
return result;
}
/* removes the apartment reference to an object, destroying it when no other
* threads have a reference to it */
void apartment_disconnectobject(struct apartment *apt, void *object)
{
int found = FALSE;
struct stub_manager *stubmgr;
EnterCriticalSection(&apt->cs);
LIST_FOR_EACH_ENTRY( stubmgr, &apt->stubmgrs, struct stub_manager, entry )
{
if (stubmgr->object == object)
{
found = TRUE;
stub_manager_int_release(stubmgr);
break;
}
}
LeaveCriticalSection(&apt->cs);
if (found)
TRACE("disconnect object %p\n", object);
else
WARN("couldn't find object %p\n", object);
}
/* gets the stub manager associated with an object id - caller must have
* a reference to the apartment while a reference to the stub manager is held.
* it must also call release on the stub manager when it is no longer needed */
struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid)
{
struct stub_manager *result = NULL;
struct list *cursor;
EnterCriticalSection(&apt->cs);
LIST_FOR_EACH( cursor, &apt->stubmgrs )
{
struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
if (m->oid == oid)
{
result = m;
stub_manager_int_addref(result);
break;
}
}
LeaveCriticalSection(&apt->cs);
if (result)
TRACE("found %p for oid %s\n", result, wine_dbgstr_longlong(oid));
else
TRACE("not found for oid %s\n", wine_dbgstr_longlong(oid));
return result;
}
/* add some external references (ie from a client that unmarshaled an ifptr) */
ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs, BOOL tableweak)
{
ULONG rc;
EnterCriticalSection(&m->lock);
/* make sure we don't overflow extrefs */
refs = min(refs, (ULONG_MAX-1 - m->extrefs));
rc = (m->extrefs += refs);
if (tableweak)
rc += ++m->weakrefs;
LeaveCriticalSection(&m->lock);
TRACE("added %u refs to %p (oid %s), rc is now %u\n", refs, m, wine_dbgstr_longlong(m->oid), rc);
return rc;
}
/* remove some external references */
ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs, BOOL tableweak, BOOL last_unlock_releases)
{
ULONG rc;
EnterCriticalSection(&m->lock);
/* make sure we don't underflow extrefs */
refs = min(refs, m->extrefs);
rc = (m->extrefs -= refs);
if (tableweak)
--m->weakrefs;
if (!last_unlock_releases)
rc += m->weakrefs;
LeaveCriticalSection(&m->lock);
TRACE("removed %u refs from %p (oid %s), rc is now %u\n", refs, m, wine_dbgstr_longlong(m->oid), rc);
if (rc == 0)
stub_manager_int_release(m);
return rc;
}
/* gets the stub manager associated with an ipid - caller must have
* a reference to the apartment while a reference to the stub manager is held.
* it must also call release on the stub manager when it is no longer needed */
static struct stub_manager *get_stub_manager_from_ipid(APARTMENT *apt, const IPID *ipid)
{
struct stub_manager *result = NULL;
struct list *cursor;
EnterCriticalSection(&apt->cs);
LIST_FOR_EACH( cursor, &apt->stubmgrs )
{
struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
if (stub_manager_ipid_to_ifstub(m, ipid))
{
result = m;
stub_manager_int_addref(result);
break;
}
}
LeaveCriticalSection(&apt->cs);
if (result)
TRACE("found %p for ipid %s\n", result, debugstr_guid(ipid));
else
ERR("not found for ipid %s\n", debugstr_guid(ipid));
return result;
}
static HRESULT ipid_to_stub_manager(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **stubmgr_ret)
{
/* FIXME: hack for IRemUnknown */
if (ipid->Data2 == 0xffff)
*stub_apt = apartment_findfromoxid(*(const OXID *)ipid->Data4, TRUE);
else
*stub_apt = apartment_findfromtid(ipid->Data2);
if (!*stub_apt)
{
TRACE("Couldn't find apartment corresponding to TID 0x%04x\n", ipid->Data2);
return RPC_E_INVALID_OBJECT;
}
*stubmgr_ret = get_stub_manager_from_ipid(*stub_apt, ipid);
if (!*stubmgr_ret)
{
apartment_release(*stub_apt);
*stub_apt = NULL;
return RPC_E_INVALID_OBJECT;
}
return S_OK;
}
/* gets the apartment, stub and channel of an object. the caller must
* release the references to all objects (except iface) if the function
* returned success, otherwise no references are returned. */
HRESULT ipid_get_dispatch_params(const IPID *ipid, APARTMENT **stub_apt,
IRpcStubBuffer **stub, IRpcChannelBuffer **chan,
IID *iid, IUnknown **iface)
{
struct stub_manager *stubmgr;
struct ifstub *ifstub;
APARTMENT *apt;
HRESULT hr;
hr = ipid_to_stub_manager(ipid, &apt, &stubmgr);
if (hr != S_OK) return RPC_E_DISCONNECTED;
ifstub = stub_manager_ipid_to_ifstub(stubmgr, ipid);
if (ifstub)
{
*stub = ifstub->stubbuffer;
IRpcStubBuffer_AddRef(*stub);
*chan = ifstub->chan;
IRpcChannelBuffer_AddRef(*chan);
*stub_apt = apt;
*iid = ifstub->iid;
*iface = ifstub->iface;
stub_manager_int_release(stubmgr);
return S_OK;
}
else
{
stub_manager_int_release(stubmgr);
apartment_release(apt);
return RPC_E_DISCONNECTED;
}
}
/* returns TRUE if it is possible to unmarshal, FALSE otherwise. */
BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid)
{
BOOL ret = TRUE;
struct ifstub *ifstub;
if (!(ifstub = stub_manager_ipid_to_ifstub(m, ipid)))
{
ERR("attempted unmarshal of unknown IPID %s\n", debugstr_guid(ipid));
return FALSE;
}
EnterCriticalSection(&m->lock);
/* track normal marshals so we can enforce rules whilst in-process */
if (ifstub->flags & MSHLFLAGS_NORMAL)
{
if (m->norm_refs)
m->norm_refs--;
else
{
ERR("attempted invalid normal unmarshal, norm_refs is zero\n");
ret = FALSE;
}
}
LeaveCriticalSection(&m->lock);
return ret;
}
/* handles refcounting for CoReleaseMarshalData */
void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid, BOOL tableweak)
{
struct ifstub *ifstub;
if (!(ifstub = stub_manager_ipid_to_ifstub(m, ipid)))
return;
if (ifstub->flags & MSHLFLAGS_TABLEWEAK)
refs = 0;
else if (ifstub->flags & MSHLFLAGS_TABLESTRONG)
refs = 1;
stub_manager_ext_release(m, refs, tableweak, FALSE);
}
/* is an ifstub table marshaled? */
BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid)
{
struct ifstub *ifstub = stub_manager_ipid_to_ifstub(m, ipid);
assert( ifstub );
return ifstub->flags & (MSHLFLAGS_TABLESTRONG | MSHLFLAGS_TABLEWEAK);
}
/*****************************************************************************
*
* IRemUnknown implementation
*
*
* Note: this object is not related to the lifetime of a stub_manager, but it
* interacts with stub managers.
*/
typedef struct rem_unknown
{
IRemUnknown IRemUnknown_iface;
LONG refs;
} RemUnknown;
static const IRemUnknownVtbl RemUnknown_Vtbl;
static inline RemUnknown *impl_from_IRemUnknown(IRemUnknown *iface)
{
return CONTAINING_RECORD(iface, RemUnknown, IRemUnknown_iface);
}
/* construct an IRemUnknown object with one outstanding reference */
static HRESULT RemUnknown_Construct(IRemUnknown **ppRemUnknown)
{
RemUnknown *This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
if (!This) return E_OUTOFMEMORY;
This->IRemUnknown_iface.lpVtbl = &RemUnknown_Vtbl;
This->refs = 1;
*ppRemUnknown = &This->IRemUnknown_iface;
return S_OK;
}
static HRESULT WINAPI RemUnknown_QueryInterface(IRemUnknown *iface, REFIID riid, void **ppv)
{
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IRemUnknown))
{
*ppv = iface;
IRemUnknown_AddRef(iface);
return S_OK;
}
FIXME("No interface for iid %s\n", debugstr_guid(riid));
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI RemUnknown_AddRef(IRemUnknown *iface)
{
ULONG refs;
RemUnknown *This = impl_from_IRemUnknown(iface);
refs = InterlockedIncrement(&This->refs);
TRACE("%p before: %d\n", iface, refs-1);
return refs;
}
static ULONG WINAPI RemUnknown_Release(IRemUnknown *iface)
{
ULONG refs;
RemUnknown *This = impl_from_IRemUnknown(iface);
refs = InterlockedDecrement(&This->refs);
if (!refs)
HeapFree(GetProcessHeap(), 0, This);
TRACE("%p after: %d\n", iface, refs);
return refs;
}
static HRESULT WINAPI RemUnknown_RemQueryInterface(IRemUnknown *iface,
REFIPID ripid, ULONG cRefs, USHORT cIids, IID *iids /* [size_is(cIids)] */,
REMQIRESULT **ppQIResults /* [size_is(,cIids)] */)
{
HRESULT hr;
USHORT i;
USHORT successful_qis = 0;
APARTMENT *apt;
struct stub_manager *stubmgr;
TRACE("(%p)->(%s, %d, %d, %p, %p)\n", iface, debugstr_guid(ripid), cRefs, cIids, iids, ppQIResults);
hr = ipid_to_stub_manager(ripid, &apt, &stubmgr);
if (hr != S_OK) return hr;
*ppQIResults = CoTaskMemAlloc(sizeof(REMQIRESULT) * cIids);
for (i = 0; i < cIids; i++)
{
HRESULT hrobj = marshal_object(apt, &(*ppQIResults)[i].std, &iids[i],
stubmgr->object, MSHCTX_DIFFERENTMACHINE, NULL, MSHLFLAGS_NORMAL);
if (hrobj == S_OK)
successful_qis++;
(*ppQIResults)[i].hResult = hrobj;
}
stub_manager_int_release(stubmgr);
apartment_release(apt);
if (successful_qis == cIids)
return S_OK; /* we got all requested interfaces */
else if (successful_qis == 0)
return E_NOINTERFACE; /* we didn't get any interfaces */
else
return S_FALSE; /* we got some interfaces */
}
static HRESULT WINAPI RemUnknown_RemAddRef(IRemUnknown *iface,
USHORT cInterfaceRefs,
REMINTERFACEREF* InterfaceRefs /* [size_is(cInterfaceRefs)] */,
HRESULT *pResults /* [size_is(cInterfaceRefs)] */)
{
HRESULT hr = S_OK;
USHORT i;
TRACE("(%p)->(%d, %p, %p)\n", iface, cInterfaceRefs, InterfaceRefs, pResults);
for (i = 0; i < cInterfaceRefs; i++)
{
APARTMENT *apt;
struct stub_manager *stubmgr;
pResults[i] = ipid_to_stub_manager(&InterfaceRefs[i].ipid, &apt, &stubmgr);
if (pResults[i] != S_OK)
{
hr = S_FALSE;
continue;
}
stub_manager_ext_addref(stubmgr, InterfaceRefs[i].cPublicRefs, FALSE);
if (InterfaceRefs[i].cPrivateRefs)
FIXME("Adding %d refs securely not implemented\n", InterfaceRefs[i].cPrivateRefs);
stub_manager_int_release(stubmgr);
apartment_release(apt);
}
return hr;
}
static HRESULT WINAPI RemUnknown_RemRelease(IRemUnknown *iface,
USHORT cInterfaceRefs,
REMINTERFACEREF* InterfaceRefs /* [size_is(cInterfaceRefs)] */)
{
HRESULT hr = S_OK;
USHORT i;
TRACE("(%p)->(%d, %p)\n", iface, cInterfaceRefs, InterfaceRefs);
for (i = 0; i < cInterfaceRefs; i++)
{
APARTMENT *apt;
struct stub_manager *stubmgr;
hr = ipid_to_stub_manager(&InterfaceRefs[i].ipid, &apt, &stubmgr);
if (hr != S_OK)
{
hr = E_INVALIDARG;
/* FIXME: we should undo any changes already made in this function */
break;
}
stub_manager_ext_release(stubmgr, InterfaceRefs[i].cPublicRefs, FALSE, TRUE);
if (InterfaceRefs[i].cPrivateRefs)
FIXME("Releasing %d refs securely not implemented\n", InterfaceRefs[i].cPrivateRefs);
stub_manager_int_release(stubmgr);
apartment_release(apt);
}
return hr;
}
static const IRemUnknownVtbl RemUnknown_Vtbl =
{
RemUnknown_QueryInterface,
RemUnknown_AddRef,
RemUnknown_Release,
RemUnknown_RemQueryInterface,
RemUnknown_RemAddRef,
RemUnknown_RemRelease
};
/* starts the IRemUnknown listener for the current apartment */
HRESULT start_apartment_remote_unknown(void)
{
IRemUnknown *pRemUnknown;
HRESULT hr = S_OK;
APARTMENT *apt = COM_CurrentApt();
EnterCriticalSection(&apt->cs);
if (!apt->remunk_exported)
{
/* create the IRemUnknown object */
hr = RemUnknown_Construct(&pRemUnknown);
if (hr == S_OK)
{
STDOBJREF stdobjref; /* dummy - not used */
/* register it with the stub manager */
hr = marshal_object(apt, &stdobjref, &IID_IRemUnknown, (IUnknown *)pRemUnknown, MSHCTX_DIFFERENTMACHINE, NULL, MSHLFLAGS_NORMAL|MSHLFLAGSP_REMUNKNOWN);
/* release our reference to the object as the stub manager will manage the life cycle for us */
IRemUnknown_Release(pRemUnknown);
if (hr == S_OK)
apt->remunk_exported = TRUE;
}
}
LeaveCriticalSection(&apt->cs);
return hr;
}
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