ts execution time will be changed. It won't execute twice.</p>
<h1><a class="anchor" id="chapter_scheduler_qelems"></a>
Creating and Using Qelems</h1>
<p>A qelem ("queue element") is used to ensure that an operation occurs in the low-priority thread. The task function associated with a #t_qelem is executed when the low-priority queue is serviced, always in the main (user interface) thread. Any qelem that is "set" belongs to the low-priority queue and will be executed as soon as it serviced.</p>
<p>There are