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server: Add a helper function to change a queue thread input.
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e9be1b4094
commit
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@ -241,23 +241,19 @@ static struct thread_input *create_thread_input( struct thread *thread )
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return input;
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}
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/* release the thread input data of a given thread */
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static inline void release_thread_input( struct thread *thread )
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{
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struct thread_input *input = thread->queue->input;
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if (!input) return;
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release_object( input );
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thread->queue->input = NULL;
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}
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/* create a message queue object */
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static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_input *input )
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{
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struct thread_input *new_input = NULL;
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struct msg_queue *queue;
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int i;
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if (!input && !(input = create_thread_input( thread ))) return NULL;
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if (!input)
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{
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if (!(new_input = create_thread_input( thread ))) return NULL;
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input = new_input;
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}
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if ((queue = alloc_object( &msg_queue_ops )))
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{
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queue->fd = NULL;
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@ -281,7 +277,7 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
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thread->queue = queue;
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}
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release_object( input );
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if (new_input) release_object( new_input );
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return queue;
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}
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@ -294,6 +290,20 @@ void free_msg_queue( struct thread *thread )
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thread->queue = NULL;
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}
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/* change the thread input data of a given thread */
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static int assign_thread_input( struct thread *thread, struct thread_input *new_input )
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{
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if (!thread->queue)
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{
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thread->queue = create_msg_queue( thread, new_input );
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return thread->queue != NULL;
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}
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if (thread->queue->input) release_object( thread->queue->input );
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thread->queue->input = (struct thread_input *)grab_object( new_input );
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return 1;
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}
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/* get the hook table for a given thread */
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struct hook_table *get_queue_hooks( struct thread *thread )
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{
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@ -917,6 +927,7 @@ int attach_thread_input( struct thread *thread_from, struct thread *thread_to )
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{
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struct desktop *desktop;
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struct thread_input *input;
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int ret;
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if (!thread_to->queue && !(thread_to->queue = create_msg_queue( thread_to, NULL ))) return 0;
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if (!(desktop = get_thread_desktop( thread_from, 0 ))) return 0;
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@ -930,17 +941,10 @@ int attach_thread_input( struct thread *thread_from, struct thread *thread_to )
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}
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release_object( desktop );
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if (thread_from->queue)
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{
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release_thread_input( thread_from );
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thread_from->queue->input = input;
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}
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else
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{
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if (!(thread_from->queue = create_msg_queue( thread_from, input ))) return 0;
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}
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memset( input->keystate, 0, sizeof(input->keystate) );
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return 1;
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ret = assign_thread_input( thread_from, input );
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if (ret) memset( input->keystate, 0, sizeof(input->keystate) );
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release_object( input );
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return ret;
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}
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/* detach two thread input data structures */
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@ -950,8 +954,8 @@ void detach_thread_input( struct thread *thread_from )
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if ((input = create_thread_input( thread_from )))
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{
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release_thread_input( thread_from );
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thread_from->queue->input = input;
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assign_thread_input( thread_from, input );
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release_object( input );
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}
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}
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