k-overflow error if more memory is needed. </pre></div><hr><div class="binding"><span id="fiber/new" class="binding-sym">fiber/new</span> <span class="binding-type">cfunction</span> <pre class="binding-text">(fiber/new func &amp;opt sigmask)

Create a new fiber with function body func. Can optionally take a set of signals to block from the current parent fiber when called. The mask is specified as a keyword where each character is used to indicate a signal to block. The default sigmask is :y. For example, 
