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server: Class and global atoms should not be local to a window station.

This commit is contained in:
Alexandre Julliard 2006-03-22 22:13:40 +01:00
parent 40af0c8a30
commit 9873494ced
3 changed files with 62 additions and 32 deletions
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43
dlls/user/tests/winstation.c
View File

@ -42,12 +42,29 @@ static void print_object( HANDLE obj )
trace( "obj %p type '%s'\n", obj, buffer );
}
static void register_class(void)
{
WNDCLASSA cls;
cls.style = CS_DBLCLKS;
cls.lpfnWndProc = DefWindowProcA;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandleA(0);
cls.hIcon = 0;
cls.hCursor = LoadCursorA(0, (LPSTR)IDC_ARROW);
cls.hbrBackground = GetStockObject(WHITE_BRUSH);
cls.lpszMenuName = NULL;
cls.lpszClassName = "WinStationClass";
RegisterClassA(&cls);
}
static HDESK initial_desktop;
static DWORD CALLBACK thread( LPVOID arg )
{
HDESK d1, d2;
HWND hwnd = CreateWindowExA(0,"BUTTON","test",WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
HWND hwnd = CreateWindowExA(0,"WinStationClass","test",WS_POPUP,0,0,100,100,GetDesktopWindow(),0,0,0);
ok( hwnd != 0, "CreateWindow failed\n" );
d1 = GetThreadDesktop(GetCurrentThreadId());
trace( "thread %p desktop: %p\n", arg, d1 );
@ -89,6 +106,8 @@ static void test_handles(void)
HDESK d1, d2, d3;
HANDLE hthread;
DWORD id, flags;
ATOM atom;
char buffer[20];
/* win stations */
@ -144,6 +163,28 @@ static void test_handles(void)
w3 = OpenWindowStation("foobar", TRUE, WINSTA_ALL_ACCESS );
ok( !w3, "open foobar station succeeded\n" );
w2 = CreateWindowStation("foobar1", 0, WINSTA_ALL_ACCESS, NULL );
ok( w2 != 0, "create foobar station failed\n" );
w3 = CreateWindowStation("foobar2", 0, WINSTA_ALL_ACCESS, NULL );
ok( w3 != 0, "create foobar station failed\n" );
ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
ok( GetHandleInformation( w3, &flags ), "GetHandleInformation failed\n" );
SetProcessWindowStation( w2 );
register_class();
atom = GlobalAddAtomA("foo");
ok( GlobalGetAtomNameA( atom, buffer, sizeof(buffer) ) == 3, "GlobalGetAtomName failed\n" );
ok( !lstrcmpiA( buffer, "foo" ), "bad atom value %s\n", buffer );
ok( !CloseWindowStation( w2 ), "CloseWindowStation succeeded\n" );
ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
SetProcessWindowStation( w3 );
ok( GetHandleInformation( w2, &flags ), "GetHandleInformation failed\n" );
ok( CloseWindowStation( w2 ), "CloseWindowStation failed\n" );
ok( GlobalGetAtomNameA( atom, buffer, sizeof(buffer) ) == 3, "GlobalGetAtomName failed\n" );
ok( !lstrcmpiA( buffer, "foo" ), "bad atom value %s\n", buffer );
/* desktops */
d1 = GetThreadDesktop(GetCurrentThreadId());
initial_desktop = d1;

27
server/atom.c
View File

@ -88,6 +88,7 @@ static const struct object_ops atom_table_ops =
atom_table_destroy /* destroy */
};
static struct atom_table *global_table;
/* create an atom table */
static struct atom_table *create_table(int entries_count)
@ -292,12 +293,22 @@ static atom_t find_atom( struct atom_table *table, const WCHAR *str, size_t len
static struct atom_table *get_global_table( struct winstation *winstation, int create )
{
if (!winstation->atom_table)
struct atom_table *table = winstation ? winstation->atom_table : global_table;
if (!table)
{
if (create) winstation->atom_table = create_table( HASH_SIZE );
if (create)
{
table = create_table( HASH_SIZE );
if (winstation) winstation->atom_table = table;
else
{
global_table = table;
make_object_static( &global_table->obj );
}
}
else set_error( STATUS_OBJECT_NAME_NOT_FOUND );
}
return winstation->atom_table;
return table;
}
static struct atom_table *get_table( obj_handle_t h, int create )
@ -310,14 +321,8 @@ static struct atom_table *get_table( obj_handle_t h, int create )
}
else
{
struct winstation *winstation = get_process_winstation( current->process,
WINSTA_ACCESSGLOBALATOMS );
if (winstation)
{
table = get_global_table( winstation, 1 );
if (table) grab_object( table );
release_object( winstation );
}
table = get_global_table( NULL, 1 );
if (table) grab_object( table );
}
return table;
}

24
server/class.c
View File

@ -142,7 +142,6 @@ void *get_class_client_ptr( struct window_class *class )
DECL_HANDLER(create_class)
{
struct window_class *class;
struct winstation *winstation;
class = find_class( current->process, req->atom, req->instance );
if (class && !class->local == !req->local)
@ -157,18 +156,11 @@ DECL_HANDLER(create_class)
return;
}
if (!(winstation = get_process_winstation( current->process, WINSTA_ACCESSGLOBALATOMS )))
return;
if (!grab_global_atom( NULL, req->atom )) return;
if (!grab_global_atom( winstation, req->atom ))
{
release_object( winstation );
return;
}
if (!(class = create_class( current->process, req->extra, req->local )))
{
release_global_atom( winstation, req->atom );
release_object( winstation );
release_global_atom( NULL, req->atom );
return;
}
class->atom = req->atom;
@ -176,7 +168,6 @@ DECL_HANDLER(create_class)
class->style = req->style;
class->win_extra = req->win_extra;
class->client_ptr = req->client_ptr;
release_object( winstation );
}
/* destroy a window class */
@ -239,16 +230,9 @@ DECL_HANDLER(set_class_info)
if (req->flags & SET_CLASS_ATOM)
{
struct winstation *winstation = get_process_winstation( current->process,
WINSTA_ACCESSGLOBALATOMS );
if (!grab_global_atom( winstation, req->atom ))
{
release_object( winstation );
return;
}
release_global_atom( winstation, class->atom );
if (!grab_global_atom( NULL, req->atom )) return;
release_global_atom( NULL, class->atom );
class->atom = req->atom;
release_object( winstation );
}
if (req->flags & SET_CLASS_STYLE) class->style = req->style;
if (req->flags & SET_CLASS_WINEXTRA) class->win_extra = req->win_extra;