From: Rémi Bernon rbernon@codeweavers.com
--- dlls/win32u/class.c | 5 +++++ dlls/win32u/gdiobj.c | 2 -- dlls/win32u/ntgdi_private.h | 2 -- dlls/win32u/win32u_private.h | 3 +++ dlls/win32u/winstation.c | 12 ++++++++++++ server/file.h | 1 + server/mapping.c | 6 ++++-- server/protocol.def | 5 +++++ 8 files changed, 30 insertions(+), 6 deletions(-)
diff --git a/dlls/win32u/class.c b/dlls/win32u/class.c index ea0d7efe74b..8c5f2819a67 100644 --- a/dlls/win32u/class.c +++ b/dlls/win32u/class.c @@ -36,6 +36,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(class); WINE_DECLARE_DEBUG_CHANNEL(win);
+SYSTEM_BASIC_INFORMATION system_info; + #define MAX_WINPROCS 4096 #define WINPROC_PROC16 ((void *)1) /* placeholder for 16-bit window procs */
@@ -248,6 +250,9 @@ DLGPROC get_dialog_proc( DLGPROC ret, BOOL ansi )
static void init_user(void) { + NtQuerySystemInformation( SystemBasicInformation, &system_info, sizeof(system_info), NULL ); + + shared_session_init(); gdi_init(); sysparams_init(); winstation_init(); diff --git a/dlls/win32u/gdiobj.c b/dlls/win32u/gdiobj.c index fec99243aa2..f49b1c49464 100644 --- a/dlls/win32u/gdiobj.c +++ b/dlls/win32u/gdiobj.c @@ -48,7 +48,6 @@ static GDI_SHARED_MEMORY *gdi_shared; static GDI_HANDLE_ENTRY *next_free; static GDI_HANDLE_ENTRY *next_unused; static LONG debug_count; -SYSTEM_BASIC_INFORMATION system_info;
static inline HGDIOBJ entry_to_handle( GDI_HANDLE_ENTRY *entry ) { @@ -1040,7 +1039,6 @@ void gdi_init(void) pthread_mutex_init( &gdi_lock, &attr ); pthread_mutexattr_destroy( &attr );
- NtQuerySystemInformation( SystemBasicInformation, &system_info, sizeof(system_info), NULL ); init_gdi_shared(); if (!gdi_shared) return;
diff --git a/dlls/win32u/ntgdi_private.h b/dlls/win32u/ntgdi_private.h index 99ebb127d68..136921a211c 100644 --- a/dlls/win32u/ntgdi_private.h +++ b/dlls/win32u/ntgdi_private.h @@ -641,6 +641,4 @@ extern void free_heap_bits( struct gdi_image_bits *bits );
void set_gdi_client_ptr( HGDIOBJ handle, void *ptr );
-extern SYSTEM_BASIC_INFORMATION system_info; - #endif /* __WINE_NTGDI_PRIVATE_H */ diff --git a/dlls/win32u/win32u_private.h b/dlls/win32u/win32u_private.h index b4738ed6b16..2530e68793f 100644 --- a/dlls/win32u/win32u_private.h +++ b/dlls/win32u/win32u_private.h @@ -219,6 +219,7 @@ struct object_lock * The data read from the objects may be transient and no logic should be executed based * on it, within the loop, or after, unless the function has returned STATUS_SUCCESS. */ +extern const session_shm_t *shared_session; extern NTSTATUS get_shared_desktop( struct object_lock *lock, const desktop_shm_t **desktop_shm ); extern NTSTATUS get_shared_queue( struct object_lock *lock, const queue_shm_t **queue_shm ); extern NTSTATUS get_shared_input( UINT tid, struct object_lock *lock, const input_shm_t **input_shm ); @@ -279,6 +280,8 @@ static inline void release_win_ptr( struct tagWND *ptr ) user_unlock(); }
+extern SYSTEM_BASIC_INFORMATION system_info; +extern void shared_session_init(void); extern void gdi_init(void); extern void winstation_init(void); extern void sysparams_init(void); diff --git a/dlls/win32u/winstation.c b/dlls/win32u/winstation.c index b350b706454..14472b85bce 100644 --- a/dlls/win32u/winstation.c +++ b/dlls/win32u/winstation.c @@ -71,6 +71,7 @@ struct session_block
static pthread_mutex_t session_lock = PTHREAD_MUTEX_INITIALIZER; static struct list session_blocks = LIST_INIT(session_blocks); +const session_shm_t *shared_session;
static struct session_thread_data *get_session_thread_data(void) { @@ -195,6 +196,17 @@ static const shared_object_t *find_shared_session_object( struct obj_locator loc return NULL; }
+void shared_session_init(void) +{ + struct session_block *block; + UINT status; + + if ((status = find_shared_session_block( 0, sizeof(*shared_session), &block ))) + ERR( "Failed to map initial shared session block, status %#x\n", status ); + else + shared_session = (const session_shm_t *)block->data; +} + NTSTATUS get_shared_desktop( struct object_lock *lock, const desktop_shm_t **desktop_shm ) { struct session_thread_data *data = get_session_thread_data(); diff --git a/server/file.h b/server/file.h index 59b73c0245c..64ca61e155f 100644 --- a/server/file.h +++ b/server/file.h @@ -193,6 +193,7 @@ extern struct mapping *create_session_mapping( struct object *root, const struct unsigned int attr, const struct security_descriptor *sd ); extern void set_session_mapping( struct mapping *mapping );
+extern const session_shm_t *shared_session; extern const volatile void *alloc_shared_object(void); extern void free_shared_object( const volatile void *object_shm ); extern void invalidate_shared_object( const volatile void *object_shm ); diff --git a/server/mapping.c b/server/mapping.c index 6f6b846a903..b913dfc0c45 100644 --- a/server/mapping.c +++ b/server/mapping.c @@ -248,6 +248,7 @@ struct session object_id_t last_object_id; };
+const session_shm_t *shared_session; static struct mapping *session_mapping; static struct session session = { @@ -1305,7 +1306,7 @@ struct mapping *create_session_mapping( struct object *root, const struct unicod unsigned int attr, const struct security_descriptor *sd ) { static const unsigned int access = FILE_READ_DATA | FILE_WRITE_DATA; - size_t size = max( sizeof(shared_object_t) * 512, 0x10000 ); + size_t size = max( sizeof(*shared_session) + sizeof(object_shm_t) * 512, 0x10000 );
return create_mapping( root, name, attr, size, SEC_COMMIT, 0, access, sd ); } @@ -1326,9 +1327,10 @@ void set_session_mapping( struct mapping *mapping )
block->data = tmp; block->offset = 0; - block->used_size = 0; + block->used_size = sizeof(*shared_session); block->block_size = size;
+ shared_session = tmp; session_mapping = mapping; list_add_tail( &session.blocks, &block->entry ); } diff --git a/server/protocol.def b/server/protocol.def index ea5398c8be7..7ae26b7c48d 100644 --- a/server/protocol.def +++ b/server/protocol.def @@ -1023,6 +1023,11 @@ typedef volatile struct object_shm_t shm; /* object shared data */ } shared_object_t;
+typedef volatile struct +{ + unsigned __int64 placeholder; +} session_shm_t; + struct obj_locator { object_id_t id; /* object unique id, object data is valid if != 0 */