span></span> <span><span><a href="Lock/index.html#type-t">Lock.t</a> list</span> <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p>simultaneously release a number of locks, no-op if list is empty</p></div></div><div class="odoc-spec"><div class="spec value" id="val-blocking_call" class="anchored"><a href="#val-blocking_call" class="anchor"></a><code><span><span class="keyword">val</span> blocking_call : <span>callee:<a href="../../IR/Procname/ind