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server: Fixed low-level hardware hooks.

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The hook thread field has been reused for win events, so it no longer
works for low-level hardward hooks. Use the owner field instead.
This commit is contained in:
Alexandre Julliard 2006-01-27 12:12:15 +01:00
parent ac4de71f85
commit 6d85f3bf21
1 changed files with 20 additions and 7 deletions
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27
server/hook.c
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@ -199,6 +199,15 @@ inline static int run_hook_in_current_thread( struct hook *hook )
return 0;
}
/* check if a given hook should run in the owner thread instead of the current thread */
inline static int run_hook_in_owner_thread( struct hook *hook )
{
if ((hook->index == WH_MOUSE_LL - WH_MINHOOK ||
hook->index == WH_KEYBOARD_LL - WH_MINHOOK))
return hook->owner != current;
return 0;
}
/* find the first non-deleted hook in the chain */
inline static struct hook *get_first_valid_hook( struct hook_table *table, int index,
int event, user_handle_t win,
@ -389,7 +398,11 @@ DECL_HANDLER(set_hook)
if (req->id == WH_KEYBOARD_LL || req->id == WH_MOUSE_LL)
{
/* low-level hardware hooks are special: always global, but without a module */
thread = (struct thread *)grab_object( current );
if (thread)
{
set_error( STATUS_INVALID_PARAMETER );
goto done;
}
module = NULL;
global = 1;
}
@ -488,10 +501,10 @@ DECL_HANDLER(start_hook_chain)
return; /* no hook set */
}
if (hook->thread && hook->thread != current) /* must run in other thread */
if (run_hook_in_owner_thread( hook ))
{
reply->pid = get_process_id( hook->thread->process );
reply->tid = get_thread_id( hook->thread );
reply->pid = get_process_id( hook->owner->process );
reply->tid = get_thread_id( hook->owner );
}
else
{
@ -541,10 +554,10 @@ DECL_HANDLER(get_next_hook)
reply->prev_unicode = hook->unicode;
reply->next_unicode = next->unicode;
if (next->module) set_reply_data( next->module, next->module_size );
if (next->thread && next->thread != current)
if (run_hook_in_owner_thread( next ))
{
reply->pid = get_process_id( next->thread->process );
reply->tid = get_thread_id( next->thread );
reply->pid = get_process_id( next->owner->process );
reply->tid = get_thread_id( next->owner );
}
else
{