747 lines
21 KiB
C
747 lines
21 KiB
C
/*
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* A stub manager is an object that controls interface stubs. It is
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* identified by an OID (object identifier) and acts as the network
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* identity of the object. There can be many stub managers in a
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* process or apartment.
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*
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* Copyright 2002 Marcus Meissner
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* Copyright 2004 Mike Hearn for CodeWeavers
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* Copyright 2004 Robert Shearman (for CodeWeavers)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define COBJMACROS
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include <assert.h>
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#include <stdarg.h>
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#include <limits.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "objbase.h"
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#include "ole2.h"
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#include "ole2ver.h"
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#include "rpc.h"
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#include "wine/debug.h"
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#include "compobj_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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static void stub_manager_delete_ifstub(struct stub_manager *m, struct ifstub *ifstub);
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static struct ifstub *stub_manager_ipid_to_ifstub(struct stub_manager *m, const IPID *ipid);
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/* creates a new stub manager and adds it into the apartment. caller must
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* release stub manager when it is no longer required. the apartment and
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* external refs together take one implicit ref */
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struct stub_manager *new_stub_manager(APARTMENT *apt, IUnknown *object, MSHLFLAGS mshlflags)
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{
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struct stub_manager *sm;
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assert( apt );
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sm = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct stub_manager));
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if (!sm) return NULL;
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list_init(&sm->ifstubs);
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InitializeCriticalSection(&sm->lock);
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DEBUG_SET_CRITSEC_NAME(&sm->lock, "stub_manager");
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IUnknown_AddRef(object);
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sm->object = object;
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sm->apt = apt;
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/* start off with 2 references because the stub is in the apartment
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* and the caller will also hold a reference */
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sm->refs = 2;
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/* yes, that's right, this starts at zero. that's zero EXTERNAL
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* refs, ie nobody has unmarshalled anything yet. we can't have
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* negative refs because the stub manager cannot be explicitly
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* killed, it has to die by somebody unmarshalling then releasing
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* the marshalled ifptr.
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*/
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sm->extrefs = 0;
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if (mshlflags & MSHLFLAGS_TABLESTRONG)
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sm->state = STUBSTATE_TABLE_STRONG;
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else if (mshlflags & MSHLFLAGS_TABLEWEAK)
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sm->state = STUBSTATE_TABLE_WEAK_UNMARSHALED;
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else
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sm->state = STUBSTATE_NORMAL_MARSHALED;
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EnterCriticalSection(&apt->cs);
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sm->oid = apt->oidc++;
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list_add_head(&apt->stubmgrs, &sm->entry);
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LeaveCriticalSection(&apt->cs);
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TRACE("Created new stub manager (oid=%s) at %p for object with IUnknown %p\n", wine_dbgstr_longlong(sm->oid), sm, object);
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return sm;
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}
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/* caller must remove stub manager from apartment prior to calling this function */
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static void stub_manager_delete(struct stub_manager *m)
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{
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struct list *cursor;
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TRACE("destroying %p (oid=%s)\n", m, wine_dbgstr_longlong(m->oid));
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/* release every ifstub */
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while ((cursor = list_head(&m->ifstubs)))
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{
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struct ifstub *ifstub = LIST_ENTRY(cursor, struct ifstub, entry);
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stub_manager_delete_ifstub(m, ifstub);
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}
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IUnknown_Release(m->object);
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DEBUG_CLEAR_CRITSEC_NAME(&m->lock);
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DeleteCriticalSection(&m->lock);
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HeapFree(GetProcessHeap(), 0, m);
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}
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/* gets the stub manager associated with an object - caller must have
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* a reference to the apartment while a reference to the stub manager is held.
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* it must also call release on the stub manager when it is no longer needed */
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struct stub_manager *get_stub_manager_from_object(APARTMENT *apt, void *object)
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{
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struct stub_manager *result = NULL;
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struct list *cursor;
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EnterCriticalSection(&apt->cs);
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LIST_FOR_EACH( cursor, &apt->stubmgrs )
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{
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struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
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if (m->object == object)
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{
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result = m;
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stub_manager_int_addref(result);
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break;
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}
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}
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LeaveCriticalSection(&apt->cs);
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if (result)
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TRACE("found %p for object %p\n", result, object);
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else
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TRACE("not found for object %p\n", object);
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return result;
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}
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/* removes the apartment reference to an object, destroying it when no other
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* threads have a reference to it */
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void apartment_disconnectobject(struct apartment *apt, void *object)
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{
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int found = FALSE;
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struct stub_manager *stubmgr;
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EnterCriticalSection(&apt->cs);
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LIST_FOR_EACH_ENTRY( stubmgr, &apt->stubmgrs, struct stub_manager, entry )
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{
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if (stubmgr->object == object)
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{
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found = TRUE;
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stub_manager_int_release(stubmgr);
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break;
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}
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}
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LeaveCriticalSection(&apt->cs);
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if (found)
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TRACE("disconnect object %p\n", object);
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else
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WARN("couldn't find object %p\n", object);
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}
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/* gets the stub manager associated with an object id - caller must have
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* a reference to the apartment while a reference to the stub manager is held.
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* it must also call release on the stub manager when it is no longer needed */
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struct stub_manager *get_stub_manager(APARTMENT *apt, OID oid)
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{
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struct stub_manager *result = NULL;
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struct list *cursor;
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EnterCriticalSection(&apt->cs);
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LIST_FOR_EACH( cursor, &apt->stubmgrs )
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{
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struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
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if (m->oid == oid)
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{
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result = m;
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stub_manager_int_addref(result);
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break;
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}
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}
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LeaveCriticalSection(&apt->cs);
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if (result)
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TRACE("found %p for oid %s\n", result, wine_dbgstr_longlong(oid));
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else
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TRACE("not found for oid %s\n", wine_dbgstr_longlong(oid));
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return result;
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}
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/* increments the internal refcount */
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ULONG stub_manager_int_addref(struct stub_manager *This)
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{
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ULONG refs;
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EnterCriticalSection(&This->apt->cs);
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refs = ++This->refs;
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LeaveCriticalSection(&This->apt->cs);
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TRACE("before %ld\n", refs - 1);
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return refs;
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}
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/* decrements the internal refcount */
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ULONG stub_manager_int_release(struct stub_manager *This)
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{
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ULONG refs;
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APARTMENT *apt = This->apt;
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EnterCriticalSection(&apt->cs);
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refs = --This->refs;
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TRACE("after %ld\n", refs);
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/* remove from apartment so no other thread can access it... */
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if (!refs)
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list_remove(&This->entry);
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LeaveCriticalSection(&apt->cs);
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/* ... so now we can delete it without being inside the apartment critsec */
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if (!refs)
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stub_manager_delete(This);
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return refs;
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}
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/* add some external references (ie from a client that unmarshaled an ifptr) */
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ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs)
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{
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ULONG rc;
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EnterCriticalSection(&m->lock);
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/* make sure we don't overflow extrefs */
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refs = min(refs, (ULONG_MAX-1 - m->extrefs));
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rc = (m->extrefs += refs);
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LeaveCriticalSection(&m->lock);
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TRACE("added %lu refs to %p (oid %s), rc is now %lu\n", refs, m, wine_dbgstr_longlong(m->oid), rc);
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return rc;
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}
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/* remove some external references */
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ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs)
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{
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ULONG rc;
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EnterCriticalSection(&m->lock);
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/* make sure we don't underflow extrefs */
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refs = min(refs, m->extrefs);
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rc = (m->extrefs -= refs);
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LeaveCriticalSection(&m->lock);
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TRACE("removed %lu refs from %p (oid %s), rc is now %lu\n", refs, m, wine_dbgstr_longlong(m->oid), rc);
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if (rc == 0)
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stub_manager_int_release(m);
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return rc;
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}
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static struct ifstub *stub_manager_ipid_to_ifstub(struct stub_manager *m, const IPID *ipid)
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{
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struct list *cursor;
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struct ifstub *result = NULL;
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EnterCriticalSection(&m->lock);
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LIST_FOR_EACH( cursor, &m->ifstubs )
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{
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struct ifstub *ifstub = LIST_ENTRY( cursor, struct ifstub, entry );
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if (IsEqualGUID(ipid, &ifstub->ipid))
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{
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result = ifstub;
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break;
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}
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}
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LeaveCriticalSection(&m->lock);
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return result;
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}
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/* gets the stub manager associated with an ipid - caller must have
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* a reference to the apartment while a reference to the stub manager is held.
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* it must also call release on the stub manager when it is no longer needed */
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static struct stub_manager *get_stub_manager_from_ipid(APARTMENT *apt, const IPID *ipid)
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{
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struct stub_manager *result = NULL;
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struct list *cursor;
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EnterCriticalSection(&apt->cs);
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LIST_FOR_EACH( cursor, &apt->stubmgrs )
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{
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struct stub_manager *m = LIST_ENTRY( cursor, struct stub_manager, entry );
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if (stub_manager_ipid_to_ifstub(m, ipid))
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{
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result = m;
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stub_manager_int_addref(result);
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break;
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}
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}
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LeaveCriticalSection(&apt->cs);
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if (result)
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TRACE("found %p for ipid %s\n", result, debugstr_guid(ipid));
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else
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ERR("not found for ipid %s\n", debugstr_guid(ipid));
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return result;
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}
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HRESULT ipid_to_stub_manager(const IPID *ipid, APARTMENT **stub_apt, struct stub_manager **stubmgr_ret)
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{
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/* FIXME: hack for IRemUnknown */
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if (ipid->Data2 == 0xffff)
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*stub_apt = apartment_findfromoxid(*(OXID *)ipid->Data4, TRUE);
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else
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*stub_apt = apartment_findfromtid(ipid->Data2);
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if (!*stub_apt)
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{
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ERR("Couldn't find apartment corresponding to TID 0x%04x\n", ipid->Data2);
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return RPC_E_INVALID_OBJECT;
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}
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*stubmgr_ret = get_stub_manager_from_ipid(*stub_apt, ipid);
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if (!*stubmgr_ret)
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{
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apartment_release(*stub_apt);
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*stub_apt = NULL;
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return RPC_E_INVALID_OBJECT;
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}
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return S_OK;
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}
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/* gets the apartment and IRpcStubBuffer from an object. the caller must
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* release the references to both objects */
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IRpcStubBuffer *ipid_to_apt_and_stubbuffer(const IPID *ipid, APARTMENT **stub_apt)
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{
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IRpcStubBuffer *ret = NULL;
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struct stub_manager *stubmgr;
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struct ifstub *ifstub;
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HRESULT hr;
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*stub_apt = NULL;
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hr = ipid_to_stub_manager(ipid, stub_apt, &stubmgr);
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if (hr != S_OK) return NULL;
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ifstub = stub_manager_ipid_to_ifstub(stubmgr, ipid);
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if (ifstub)
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ret = ifstub->stubbuffer;
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if (ret) IRpcStubBuffer_AddRef(ret);
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stub_manager_int_release(stubmgr);
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return ret;
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}
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/* generates an ipid in the following format (similar to native version):
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* Data1 = apartment-local ipid counter
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* Data2 = apartment creator thread ID
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* Data3 = process ID
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* Data4 = random value
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*/
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static inline HRESULT generate_ipid(struct stub_manager *m, IPID *ipid)
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{
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HRESULT hr;
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hr = UuidCreate(ipid);
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if (FAILED(hr))
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{
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ERR("couldn't create IPID for stub manager %p\n", m);
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UuidCreateNil(ipid);
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return hr;
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}
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ipid->Data1 = InterlockedIncrement(&m->apt->ipidc);
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ipid->Data2 = (USHORT)m->apt->tid;
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ipid->Data3 = (USHORT)GetCurrentProcessId();
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return S_OK;
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}
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/* registers a new interface stub COM object with the stub manager and returns registration record */
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struct ifstub *stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, IUnknown *iptr, REFIID iid)
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{
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struct ifstub *stub;
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TRACE("oid=%s, stubbuffer=%p, iptr=%p, iid=%s\n",
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wine_dbgstr_longlong(m->oid), sb, iptr, debugstr_guid(iid));
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stub = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(struct ifstub));
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if (!stub) return NULL;
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stub->stubbuffer = sb;
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if (sb) IRpcStubBuffer_AddRef(sb);
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/* no need to ref this, same object as sb */
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stub->iface = iptr;
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stub->iid = *iid;
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/* FIXME: hack for IRemUnknown because we don't notify SCM of our IPID
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* yet, so we need to use a well-known one */
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if (IsEqualIID(iid, &IID_IRemUnknown))
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{
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stub->ipid.Data1 = 0xffffffff;
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stub->ipid.Data2 = 0xffff;
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stub->ipid.Data3 = 0xffff;
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assert(sizeof(stub->ipid.Data4) == sizeof(m->apt->oxid));
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memcpy(&stub->ipid.Data4, &m->apt->oxid, sizeof(OXID));
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}
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else
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generate_ipid(m, &stub->ipid);
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EnterCriticalSection(&m->lock);
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list_add_head(&m->ifstubs, &stub->entry);
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LeaveCriticalSection(&m->lock);
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TRACE("ifstub %p created with ipid %s\n", stub, debugstr_guid(&stub->ipid));
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return stub;
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}
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static void stub_manager_delete_ifstub(struct stub_manager *m, struct ifstub *ifstub)
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{
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TRACE("m=%p, m->oid=%s, ipid=%s\n", m, wine_dbgstr_longlong(m->oid), debugstr_guid(&ifstub->ipid));
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list_remove(&ifstub->entry);
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RPC_UnregisterInterface(&ifstub->iid);
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if (ifstub->stubbuffer) IUnknown_Release(ifstub->stubbuffer);
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IUnknown_Release(ifstub->iface);
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|
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HeapFree(GetProcessHeap(), 0, ifstub);
|
|
}
|
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|
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/* returns TRUE if it is possible to unmarshal, FALSE otherwise. */
|
|
BOOL stub_manager_notify_unmarshal(struct stub_manager *m)
|
|
{
|
|
BOOL ret;
|
|
|
|
EnterCriticalSection(&m->lock);
|
|
|
|
switch (m->state)
|
|
{
|
|
case STUBSTATE_TABLE_STRONG:
|
|
case STUBSTATE_TABLE_WEAK_MARSHALED:
|
|
/* no transition */
|
|
ret = TRUE;
|
|
break;
|
|
case STUBSTATE_TABLE_WEAK_UNMARSHALED:
|
|
m->state = STUBSTATE_TABLE_WEAK_MARSHALED;
|
|
ret = TRUE;
|
|
break;
|
|
case STUBSTATE_NORMAL_MARSHALED:
|
|
m->state = STUBSTATE_NORMAL_UNMARSHALED;
|
|
ret = TRUE;
|
|
break;
|
|
default:
|
|
WARN("object OID %s already unmarshaled\n",
|
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wine_dbgstr_longlong(m->oid));
|
|
ret = FALSE;
|
|
break;
|
|
}
|
|
|
|
LeaveCriticalSection(&m->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs)
|
|
{
|
|
EnterCriticalSection(&m->lock);
|
|
|
|
switch (m->state)
|
|
{
|
|
case STUBSTATE_NORMAL_MARSHALED:
|
|
case STUBSTATE_NORMAL_UNMARSHALED: /* FIXME: check this */
|
|
/* nothing to change */
|
|
break;
|
|
case STUBSTATE_TABLE_WEAK_UNMARSHALED:
|
|
case STUBSTATE_TABLE_STRONG:
|
|
refs = 1;
|
|
break;
|
|
case STUBSTATE_TABLE_WEAK_MARSHALED:
|
|
refs = 0; /* like native */
|
|
break;
|
|
}
|
|
|
|
LeaveCriticalSection(&m->lock);
|
|
|
|
stub_manager_ext_release(m, refs);
|
|
}
|
|
|
|
/* is an ifstub table marshaled? */
|
|
BOOL stub_manager_is_table_marshaled(struct stub_manager *m)
|
|
{
|
|
BOOL ret;
|
|
|
|
EnterCriticalSection(&m->lock);
|
|
ret = ((m->state == STUBSTATE_TABLE_STRONG) ||
|
|
(m->state == STUBSTATE_TABLE_WEAK_MARSHALED) ||
|
|
(m->state == STUBSTATE_TABLE_WEAK_UNMARSHALED));
|
|
LeaveCriticalSection(&m->lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*****************************************************************************
|
|
*
|
|
* IRemUnknown implementation
|
|
*
|
|
*
|
|
* Note: this object is not related to the lifetime of a stub_manager, but it
|
|
* interacts with stub managers.
|
|
*/
|
|
|
|
const IID IID_IRemUnknown = { 0x00000131, 0, 0, {0xc0, 0, 0, 0, 0, 0, 0, 0x46} };
|
|
|
|
typedef struct rem_unknown
|
|
{
|
|
const IRemUnknownVtbl *lpVtbl;
|
|
LONG refs;
|
|
} RemUnknown;
|
|
|
|
static const IRemUnknownVtbl RemUnknown_Vtbl;
|
|
|
|
|
|
/* 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->lpVtbl = &RemUnknown_Vtbl;
|
|
This->refs = 1;
|
|
|
|
*ppRemUnknown = (IRemUnknown *)This;
|
|
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 = (LPVOID)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 = (RemUnknown *)iface;
|
|
|
|
refs = InterlockedIncrement(&This->refs);
|
|
|
|
TRACE("%p before: %ld\n", iface, refs-1);
|
|
return refs;
|
|
}
|
|
|
|
static ULONG WINAPI RemUnknown_Release(IRemUnknown *iface)
|
|
{
|
|
ULONG refs;
|
|
RemUnknown *This = (RemUnknown *)iface;
|
|
|
|
refs = InterlockedDecrement(&This->refs);
|
|
if (!refs)
|
|
HeapFree(GetProcessHeap(), 0, This);
|
|
|
|
TRACE("%p after: %ld\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, %ld, %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, 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);
|
|
if (InterfaceRefs[i].cPrivateRefs)
|
|
FIXME("Adding %ld 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);
|
|
if (InterfaceRefs[i].cPrivateRefs)
|
|
FIXME("Releasing %ld 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()
|
|
{
|
|
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, MSHLFLAGS_NORMAL);
|
|
/* 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;
|
|
}
|