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Sweden-Number/dlls/combase/combase_private.h

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/*
* 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
*/
#include "winternl.h"
#include "wine/orpc.h"
#include "wine/heap.h"
#include "wine/list.h"
extern HINSTANCE hProxyDll;
struct apartment
{
struct list entry;
LONG refs; /* refcount of the apartment (LOCK) */
BOOL multi_threaded; /* multi-threaded or single-threaded apartment? (RO) */
DWORD tid; /* thread id (RO) */
OXID oxid; /* object exporter ID (RO) */
LONG ipidc; /* interface pointer ID counter, starts at 1 (LOCK) */
CRITICAL_SECTION cs; /* thread safety */
struct list proxies; /* imported objects (CS cs) */
struct list stubmgrs; /* stub managers for exported objects (CS cs) */
BOOL remunk_exported; /* has the IRemUnknown interface for this apartment been created yet? (CS cs) */
LONG remoting_started; /* has the RPC system been started for this apartment? (LOCK) */
struct list loaded_dlls; /* list of dlls loaded by this apartment (CS cs) */
DWORD host_apt_tid; /* thread ID of apartment hosting objects of differing threading model (CS cs) */
HWND host_apt_hwnd; /* handle to apartment window of host apartment (CS cs) */
struct local_server *local_server; /* A marshallable object exposing local servers (CS cs) */
BOOL being_destroyed; /* is currently being destroyed */
/* FIXME: OIDs should be given out by RPCSS */
OID oidc; /* object ID counter, starts at 1, zero is invalid OID (CS cs) */
/* STA-only fields */
HWND win; /* message window (LOCK) */
IMessageFilter *filter; /* message filter (CS cs) */
BOOL main; /* is this a main-threaded-apartment? (RO) */
/* MTA-only */
struct list usage_cookies; /* Used for refcount control with CoIncrementMTAUsage()/CoDecrementMTAUsage(). */
};
HRESULT open_key_for_clsid(REFCLSID clsid, const WCHAR *keyname, REGSAM access, HKEY *subkey) DECLSPEC_HIDDEN;
HRESULT open_appidkey_from_clsid(REFCLSID clsid, REGSAM access, HKEY *subkey) DECLSPEC_HIDDEN;
/* DCOM messages used by the apartment window (not compatible with native) */
#define DM_EXECUTERPC (WM_USER + 0) /* WPARAM = 0, LPARAM = (struct dispatch_params *) */
#define DM_HOSTOBJECT (WM_USER + 1) /* WPARAM = 0, LPARAM = (struct host_object_params *) */
#define CHARS_IN_GUID 39
enum tlsdata_flags
{
OLETLS_UUIDINITIALIZED = 0x2,
OLETLS_DISABLE_OLE1DDE = 0x40,
OLETLS_APARTMENTTHREADED = 0x80,
OLETLS_MULTITHREADED = 0x100,
};
/* this is what is stored in TEB->ReservedForOle */
struct tlsdata
{
struct apartment *apt;
IErrorInfo *errorinfo;
DWORD thread_seqid; /* returned with CoGetCurrentProcess */
DWORD flags; /* tlsdata_flags (+0Ch on x86) */
void *unknown0;
DWORD inits; /* number of times CoInitializeEx called */
DWORD ole_inits; /* number of times OleInitialize called */
GUID causality_id; /* unique identifier for each COM call */
LONG pending_call_count_client; /* number of client calls pending */
LONG pending_call_count_server; /* number of server calls pending */
DWORD unknown;
IObjContext *context_token; /* (+38h on x86) */
IUnknown *call_state; /* current call context (+3Ch on x86) */
DWORD unknown2[46];
IUnknown *cancel_object; /* cancel object set by CoSetCancelObject (+F8h on x86) */
IUnknown *state; /* see CoSetState */
struct list spies; /* Spies installed with CoRegisterInitializeSpy */
DWORD spies_lock;
DWORD cancelcount;
};
extern HRESULT WINAPI InternalTlsAllocData(struct tlsdata **data);
static inline HRESULT com_get_tlsdata(struct tlsdata **data)
{
*data = NtCurrentTeb()->ReservedForOle;
return *data ? S_OK : InternalTlsAllocData(data);
}
static inline struct apartment* com_get_current_apt(void)
{
struct tlsdata *tlsdata = NULL;
com_get_tlsdata(&tlsdata);
return tlsdata->apt;
}
HWND apartment_getwindow(const struct apartment *apt) DECLSPEC_HIDDEN;
HRESULT apartment_createwindowifneeded(struct apartment *apt) DECLSPEC_HIDDEN;
void apartment_freeunusedlibraries(struct apartment *apt, DWORD unload_delay) DECLSPEC_HIDDEN;
void apartment_global_cleanup(void) DECLSPEC_HIDDEN;
OXID apartment_getoxid(const struct apartment *apt) DECLSPEC_HIDDEN;
HRESULT apartment_disconnectproxies(struct apartment *apt) DECLSPEC_HIDDEN;
/* RpcSs interface */
HRESULT rpcss_get_next_seqid(DWORD *id) DECLSPEC_HIDDEN;
HRESULT rpc_get_local_class_object(REFCLSID rclsid, REFIID riid, void **obj) DECLSPEC_HIDDEN;
HRESULT rpc_register_local_server(REFCLSID clsid, IStream *stream, DWORD flags, unsigned int *cookie) DECLSPEC_HIDDEN;
HRESULT rpc_revoke_local_server(unsigned int cookie) DECLSPEC_HIDDEN;
HRESULT rpc_create_clientchannel(const OXID *oxid, const IPID *ipid, const OXID_INFO *oxid_info, const IID *iid,
DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan, struct apartment *apt) DECLSPEC_HIDDEN;
HRESULT rpc_create_serverchannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan) DECLSPEC_HIDDEN;
HRESULT rpc_register_interface(REFIID riid) DECLSPEC_HIDDEN;
void rpc_unregister_interface(REFIID riid, BOOL wait) DECLSPEC_HIDDEN;
HRESULT rpc_resolve_oxid(OXID oxid, OXID_INFO *oxid_info) DECLSPEC_HIDDEN;
void rpc_start_remoting(struct apartment *apt) DECLSPEC_HIDDEN;
HRESULT rpc_register_channel_hook(REFGUID rguid, IChannelHook *hook) DECLSPEC_HIDDEN;
void rpc_unregister_channel_hooks(void) DECLSPEC_HIDDEN;
struct dispatch_params;
void rpc_execute_call(struct dispatch_params *params);
enum class_reg_data_origin
{
CLASS_REG_ACTCTX,
CLASS_REG_REGISTRY,
};
struct class_reg_data
{
enum class_reg_data_origin origin;
union
{
struct
{
const WCHAR *module_name;
DWORD threading_model;
HANDLE hactctx;
} actctx;
HKEY hkey;
} u;
};
HRESULT enter_apartment(struct tlsdata *data, DWORD model) DECLSPEC_HIDDEN;
void leave_apartment(struct tlsdata *data) DECLSPEC_HIDDEN;
void apartment_release(struct apartment *apt) DECLSPEC_HIDDEN;
struct apartment * apartment_get_current_or_mta(void) DECLSPEC_HIDDEN;
HRESULT apartment_increment_mta_usage(CO_MTA_USAGE_COOKIE *cookie) DECLSPEC_HIDDEN;
void apartment_decrement_mta_usage(CO_MTA_USAGE_COOKIE cookie) DECLSPEC_HIDDEN;
struct apartment * apartment_get_mta(void) DECLSPEC_HIDDEN;
HRESULT apartment_get_inproc_class_object(struct apartment *apt, const struct class_reg_data *regdata,
REFCLSID rclsid, REFIID riid, DWORD class_context, void **ppv) DECLSPEC_HIDDEN;
HRESULT apartment_get_local_server_stream(struct apartment *apt, IStream **ret) DECLSPEC_HIDDEN;
IUnknown *com_get_registered_class_object(const struct apartment *apartment, REFCLSID rclsid,
DWORD clscontext) DECLSPEC_HIDDEN;
void apartment_revoke_all_classes(const struct apartment *apt) DECLSPEC_HIDDEN;
struct apartment * apartment_findfromoxid(OXID oxid) DECLSPEC_HIDDEN;
struct apartment * apartment_findfromtid(DWORD tid) DECLSPEC_HIDDEN;
HRESULT marshal_object(struct apartment *apt, STDOBJREF *stdobjref, REFIID riid, IUnknown *object,
DWORD dest_context, void *dest_context_data, MSHLFLAGS mshlflags) DECLSPEC_HIDDEN;
/* Stub Manager */
/* signal to stub manager that this is a rem unknown object */
#define MSHLFLAGSP_REMUNKNOWN 0x80000000
/* Thread-safety Annotation Legend:
*
* RO - The value is read only. It never changes after creation, so no
* locking is required.
* LOCK - The value is written to only using Interlocked* functions.
* CS - The value is read or written to inside a critical section.
* The identifier following "CS" is the specific critical section that
* must be used.
* MUTEX - The value is read or written to with a mutex held.
* The identifier following "MUTEX" is the specific mutex that
* must be used.
*/
typedef enum ifstub_state
{
STUBSTATE_NORMAL_MARSHALED,
STUBSTATE_NORMAL_UNMARSHALED,
STUBSTATE_TABLE_WEAK_MARSHALED,
STUBSTATE_TABLE_WEAK_UNMARSHALED,
STUBSTATE_TABLE_STRONG,
} STUB_STATE;
/* an interface stub */
struct ifstub
{
struct list entry; /* entry in stub_manager->ifstubs list (CS stub_manager->lock) */
IRpcStubBuffer *stubbuffer; /* RO */
IID iid; /* RO */
IPID ipid; /* RO */
IUnknown *iface; /* RO */
MSHLFLAGS flags; /* so we can enforce process-local marshalling rules (RO) */
IRpcChannelBuffer*chan; /* channel passed to IRpcStubBuffer::Invoke (RO) */
};
/* stub managers hold refs on the object and each interface stub */
struct stub_manager
{
struct list entry; /* entry in apartment stubmgr list (CS apt->cs) */
struct list ifstubs; /* list of active ifstubs for the object (CS lock) */
CRITICAL_SECTION lock;
struct apartment *apt; /* owning apt (RO) */
ULONG extrefs; /* number of 'external' references (CS lock) */
ULONG refs; /* internal reference count (CS apt->cs) */
ULONG weakrefs; /* number of weak references (CS lock) */
OID oid; /* apartment-scoped unique identifier (RO) */
IUnknown *object; /* the object we are managing the stub for (RO) */
ULONG next_ipid; /* currently unused (LOCK) */
OXID_INFO oxid_info; /* string binding, ipid of rem unknown and other information (RO) */
IExternalConnection *extern_conn;
/* We need to keep a count of the outstanding marshals, so we can enforce the
* marshalling rules (ie, you can only unmarshal normal marshals once). Note
* that these counts do NOT include unmarshalled interfaces, once a stream is
* unmarshalled and a proxy set up, this count is decremented.
*/
ULONG norm_refs; /* refcount of normal marshals (CS lock) */
BOOL disconnected; /* CoDisconnectObject has been called (CS lock) */
};
ULONG stub_manager_int_release(struct stub_manager *stub_manager) DECLSPEC_HIDDEN;
struct stub_manager * get_stub_manager_from_object(struct apartment *apt, IUnknown *object, BOOL alloc) DECLSPEC_HIDDEN;
void stub_manager_disconnect(struct stub_manager *m) DECLSPEC_HIDDEN;
ULONG stub_manager_ext_addref(struct stub_manager *m, ULONG refs, BOOL tableweak) DECLSPEC_HIDDEN;
ULONG stub_manager_ext_release(struct stub_manager *m, ULONG refs, BOOL tableweak, BOOL last_unlock_releases) DECLSPEC_HIDDEN;
struct stub_manager * get_stub_manager(struct apartment *apt, OID oid) DECLSPEC_HIDDEN;
void stub_manager_release_marshal_data(struct stub_manager *m, ULONG refs, const IPID *ipid, BOOL tableweak) DECLSPEC_HIDDEN;
BOOL stub_manager_is_table_marshaled(struct stub_manager *m, const IPID *ipid) DECLSPEC_HIDDEN;
BOOL stub_manager_notify_unmarshal(struct stub_manager *m, const IPID *ipid) DECLSPEC_HIDDEN;
struct ifstub * stub_manager_find_ifstub(struct stub_manager *m, REFIID iid, MSHLFLAGS flags) DECLSPEC_HIDDEN;
struct ifstub * stub_manager_new_ifstub(struct stub_manager *m, IRpcStubBuffer *sb, REFIID iid, DWORD dest_context,
void *dest_context_data, MSHLFLAGS flags) DECLSPEC_HIDDEN;
HRESULT ipid_get_dispatch_params(const IPID *ipid, struct apartment **stub_apt,
struct stub_manager **manager, IRpcStubBuffer **stub, IRpcChannelBuffer **chan,
IID *iid, IUnknown **iface) DECLSPEC_HIDDEN;
HRESULT start_apartment_remote_unknown(struct apartment *apt) DECLSPEC_HIDDEN;
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