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Store the global hooks table in the desktop object.

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This commit is contained in:
Alexandre Julliard 2005-07-11 18:05:50 +00:00
parent a7a6927d9b
commit 4a40b2eefb
4 changed files with 45 additions and 51 deletions
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87
server/hook.c
View file

@ -44,6 +44,7 @@ struct hook
struct process *process; /* process the hook is set to */
struct thread *thread; /* thread the hook is set to */
struct thread *owner; /* owner of the out of context hook */
struct hook_table *table; /* hook table that contains this hook */
int index; /* hook table index */
int event_min;
int event_max;
@ -84,8 +85,6 @@ static const struct object_ops hook_table_ops =
};
static struct hook_table *global_hooks;
/* create a new hook table */
static struct hook_table *alloc_hook_table(void)
{
@ -103,16 +102,27 @@ static struct hook_table *alloc_hook_table(void)
return table;
}
static struct hook_table *get_global_hooks( struct thread *thread )
{
struct hook_table *table;
struct desktop *desktop = get_thread_desktop( thread, 0 );
if (!desktop) return NULL;
table = desktop->global_hooks;
release_object( desktop );
return table;
}
/* create a new hook and add it to the specified table */
static struct hook *add_hook( struct thread *thread, int index, int global )
static struct hook *add_hook( struct desktop *desktop, struct thread *thread, int index, int global )
{
struct hook *hook;
struct hook_table *table = global ? global_hooks : get_queue_hooks(thread);
struct hook_table *table = global ? desktop->global_hooks : get_queue_hooks(thread);
if (!table)
{
if (!(table = alloc_hook_table())) return NULL;
if (global) global_hooks = table;
if (global) desktop->global_hooks = table;
else set_queue_hooks( thread, table );
}
if (!(hook = mem_alloc( sizeof(*hook) ))) return NULL;
@ -123,6 +133,7 @@ static struct hook *add_hook( struct thread *thread, int index, int global )
return NULL;
}
hook->thread = thread ? (struct thread *)grab_object( thread ) : NULL;
hook->table = table;
hook->index = index;
list_add_head( &table->hooks[index], &hook->chain );
if (thread) thread->desktop_users++;
@ -163,15 +174,6 @@ static struct hook *find_hook( struct thread *thread, int index, void *proc )
return NULL;
}
/* get the hook table that a given hook belongs to */
inline static struct hook_table *get_table( struct hook *hook )
{
if (!hook->thread) return global_hooks;
if (hook->index + WH_MINHOOK == WH_KEYBOARD_LL) return global_hooks;
if (hook->index + WH_MINHOOK == WH_MOUSE_LL) return global_hooks;
return get_queue_hooks(hook->thread);
}
/* get the first hook in the chain */
inline static struct hook *get_first_hook( struct hook_table *table, int index )
{
@ -220,10 +222,10 @@ inline static struct hook *get_first_valid_hook( struct hook_table *table, int i
}
/* find the next hook in the chain, skipping the deleted ones */
static struct hook *get_next_hook( struct hook *hook, int event, user_handle_t win,
int object_id, int child_id )
static struct hook *get_next_hook( struct thread *thread, struct hook *hook, int event,
user_handle_t win, int object_id, int child_id )
{
struct hook_table *table = get_table( hook );
struct hook_table *global_hooks, *table = hook->table;
int index = hook->index;
while ((hook = HOOK_ENTRY( list_next( &table->hooks[index], &hook->chain ) )))
@ -242,6 +244,7 @@ static struct hook *get_next_hook( struct hook *hook, int event, user_handle_t w
}
}
}
global_hooks = get_global_hooks( thread );
if (global_hooks && table != global_hooks) /* now search through the global table */
{
hook = get_first_valid_hook( global_hooks, index, event, win, object_id, child_id );
@ -251,9 +254,8 @@ static struct hook *get_next_hook( struct hook *hook, int event, user_handle_t w
static void hook_table_dump( struct object *obj, int verbose )
{
struct hook_table *table = (struct hook_table *)obj;
if (table == global_hooks) fprintf( stderr, "Global hook table\n" );
else fprintf( stderr, "Hook table\n" );
/* struct hook_table *table = (struct hook_table *)obj; */
fprintf( stderr, "Hook table\n" );
}
static void hook_table_destroy( struct object *obj )
@ -268,17 +270,10 @@ static void hook_table_destroy( struct object *obj )
}
}
/* free the global hooks table */
void close_global_hooks(void)
{
if (global_hooks) release_object( global_hooks );
}
/* remove a hook, freeing it if the chain is not in use */
static void remove_hook( struct hook *hook )
{
struct hook_table *table = get_table( hook );
if (table->counts[hook->index])
if (hook->table->counts[hook->index])
hook->proc = NULL; /* chain is in use, just mark it and return */
else
free_hook( hook );
@ -307,6 +302,7 @@ static void release_hook_chain( struct hook_table *table, int index )
/* remove all global hooks owned by a given thread */
void remove_thread_hooks( struct thread *thread )
{
struct hook_table *global_hooks = get_global_hooks( thread );
int index;
if (!global_hooks) return;
@ -341,6 +337,7 @@ static int is_hook_active( struct hook_table *table, int index )
unsigned int get_active_hooks(void)
{
struct hook_table *table = get_queue_hooks( current );
struct hook_table *global_hooks = get_global_hooks( current );
unsigned int ret = 1 << 31; /* set high bit to indicate that the bitmap is valid */
int id;
@ -358,6 +355,7 @@ DECL_HANDLER(set_hook)
{
struct process *process = NULL;
struct thread *thread = NULL;
struct desktop *desktop;
struct hook *hook;
WCHAR *module;
int global;
@ -369,21 +367,17 @@ DECL_HANDLER(set_hook)
return;
}
if (req->pid && !(process = get_process_from_id( req->pid ))) return;
if (!(desktop = get_thread_desktop( current, DESKTOP_HOOKCONTROL ))) return;
if (req->pid && !(process = get_process_from_id( req->pid ))) goto done;
if (req->tid)
{
if (!(thread = get_thread_from_id( req->tid )))
{
if (process) release_object( process );
return;
}
if (!(thread = get_thread_from_id( req->tid ))) goto done;
if (process && process != thread->process)
{
release_object( process );
release_object( thread );
set_error( STATUS_INVALID_PARAMETER );
return;
goto done;
}
}
@ -399,14 +393,10 @@ DECL_HANDLER(set_hook)
/* out of context hooks do not need a module handle */
if (!module_size && (req->flags & WINEVENT_INCONTEXT))
{
if (process) release_object( process );
if (thread) release_object( thread );
set_error( STATUS_INVALID_PARAMETER );
return;
goto done;
}
if (!(module = memdup( get_req_data(), module_size ))) return;
thread = NULL;
if (!(module = memdup( get_req_data(), module_size ))) goto done;
global = 1;
}
else
@ -415,7 +405,7 @@ DECL_HANDLER(set_hook)
global = 0;
}
if ((hook = add_hook( thread, req->id - WH_MINHOOK, global )))
if ((hook = add_hook( desktop, thread, req->id - WH_MINHOOK, global )))
{
hook->owner = (struct thread *)grab_object( current );
hook->process = process ? (struct process *)grab_object( process ) : NULL;
@ -431,8 +421,10 @@ DECL_HANDLER(set_hook)
}
else if (module) free( module );
done:
if (process) release_object( process );
if (thread) release_object( thread );
release_object( desktop );
}
@ -485,8 +477,8 @@ DECL_HANDLER(start_hook_chain)
req->window, req->object_id, req->child_id )))
{
/* try global table */
if (!(table = global_hooks) ||
!(hook = get_first_valid_hook( global_hooks, req->id - WH_MINHOOK, req->event,
if (!(table = get_global_hooks( current )) ||
!(hook = get_first_valid_hook( table, req->id - WH_MINHOOK, req->event,
req->window, req->object_id, req->child_id )))
return; /* no hook set */
}
@ -513,6 +505,7 @@ DECL_HANDLER(start_hook_chain)
DECL_HANDLER(finish_hook_chain)
{
struct hook_table *table = get_queue_hooks( current );
struct hook_table *global_hooks = get_global_hooks( current );
int index = req->id - WH_MINHOOK;
if (req->id < WH_MINHOOK || req->id > WH_WINEVENT)
@ -536,7 +529,7 @@ DECL_HANDLER(get_next_hook)
set_error( STATUS_INVALID_HANDLE );
return;
}
if ((next = get_next_hook( hook, req->event, req->window, req->object_id, req->child_id )))
if ((next = get_next_hook( current, hook, req->event, req->window, req->object_id, req->child_id )))
{
reply->next = next->handle;
reply->id = next->index + WH_MINHOOK;

1
server/request.c
View file

@ -795,7 +795,6 @@ static void close_socket_timeout( void *arg )
/* shut down everything properly */
release_object( master_socket );
close_signals();
close_global_hooks();
close_global_handles();
close_registry();
dump_objects(); /* dump any remaining objects */

2
server/user.h
View file

@ -57,6 +57,7 @@ struct desktop
struct winstation *winstation; /* winstation this desktop belongs to */
struct list entry; /* entry in winstation list of desktops */
struct window *top_window; /* desktop window for this desktop */
struct hook_table *global_hooks; /* table of global hooks on this desktop */
};
/* user handles functions */
@ -74,7 +75,6 @@ extern void cleanup_clipboard_thread( struct thread *thread );
/* hook functions */
extern void close_global_hooks(void);
extern void remove_thread_hooks( struct thread *thread );
extern unsigned int get_active_hooks(void);

6
server/winstation.c
View file

@ -189,6 +189,7 @@ static struct desktop *create_desktop( const WCHAR *name, size_t len, unsigned i
desktop->flags = flags;
desktop->winstation = (struct winstation *)grab_object( winstation );
desktop->top_window = NULL;
desktop->global_hooks = NULL;
list_add_tail( &winstation->desktops, &desktop->entry );
}
}
@ -200,8 +201,8 @@ static void desktop_dump( struct object *obj, int verbose )
{
struct desktop *desktop = (struct desktop *)obj;
fprintf( stderr, "Desktop flags=%x winstation=%p top_win=%p",
desktop->flags, desktop->winstation, desktop->top_window );
fprintf( stderr, "Desktop flags=%x winstation=%p top_win=%p hooks=%p ",
desktop->flags, desktop->winstation, desktop->top_window, desktop->global_hooks );
dump_object_name( &desktop->obj );
fputc( '\n', stderr );
}
@ -222,6 +223,7 @@ static void desktop_destroy( struct object *obj )
struct desktop *desktop = (struct desktop *)obj;
if (desktop->top_window) destroy_window( desktop->top_window );
if (desktop->global_hooks) release_object( desktop->global_hooks );
list_remove( &desktop->entry );
release_object( desktop->winstation );
}