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resize queue: Drop unprocessed client requests

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If we're adding a new client request to the queue, and the item
immediately before it is also a client request which is not yet actioned,
we can remove the previous item, as it has been superceded.
This commit is contained in:
matt335672
2025-10-06 16:06:27 +01:00
parent 6c90bc2493
commit 834ab918f7
1 changed files with 21 additions and 0 deletions
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xrdp/xrdp_mm.c
+21
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@@ -1461,6 +1461,27 @@ add_resize_request_to_queue(struct xrdp_mm *self,
{
resize_queue_item->src = src;
resize_queue_item->description = *description;
// See if there's already a previous item on the queue
if (self->resize_queue->count > 0)
{
int prev_num = self->resize_queue->count - 1;
struct resize_queue_item *prev;
prev = (struct resize_queue_item *)
list_get_item(self->resize_queue, prev_num);
// If this is a RQ_FROM_CLIENT, and the previous item on the
// resize_queue is also RQ_FROM_CLIENT, and it hasn't yet been
// processed, we can simply ignore it
if (src == RQ_FROM_CLIENT && prev->src == RQ_FROM_CLIENT)
{
LOG_DEVEL(LOG_LEVEL_DEBUG,
"dynamic_monitor_data: Removing unactioned resize request"
" width %d, height %d.",
prev->description.session_width,
prev->description.session_height);
list_remove_item(self->resize_queue, prev_num);
}
}
if (!list_add_item(self->resize_queue, (tintptr)resize_queue_item))
{
free(resize_queue_item);