<strong>with-thread-pool-increment</strong> <em>pool body0 body1 ...</em><a href='#index-with_002dthread_002dpool_002dincrement' class='copiable-anchor'> &para;</a></span></dt>
<dd><p>This macro is intended to be called by a task running on a thread pool
which is about to make a blocking (non-asynchronous) call.  It will
increment the max-threads value of &rsquo;pool&rsquo; by 1 (by calling
thread-pool-change-max-threads!) so as to enable a queued task to keep
a core active, and decrement it again when exec