Document delay and yield

Author: DmitryOlshansky

docs/index.html

@@ -758,6 +758,71 @@ <h4>Declaration</h4>
 
 </div>
 
+</li><li class="ddoc_member">
+  <div class="ddoc_member_header">
+  <div class="ddoc_header_anchor">
+  <a href="#delay" id="delay"><code class="code">delay</code></a>
+</div>
+</div><div class="ddoc_decl">
+  <section class="section">
+    <div class="declaration">
+      <h4>Declaration</h4>
+      <div class="dlang">
+        <p class="para">
+          <code class="code">
+            <span class="ddoc_anchor" id="delay"></span>void <code class="code">delay</code>(Duration <code class="code">req</code>);
+
+          </code>
+        </p>
+      </div>
+    </div>
+  </section>
+</div>
+<div class="ddoc_decl">
+  <section class="section ddoc_sections">
+  <div class="ddoc_summary">
+  <p class="para">
+    Suspend the current fiber or thread for <code class="code">req</code> amount of time.
+    Note the resolution of wait is in milliseconds, a <code class="code">delay</code> of zero will still yield the execution.
+  </p>
+</div>
+
+</section>
+
+</div>
+
+</li><li class="ddoc_member">
+  <div class="ddoc_member_header">
+  <div class="ddoc_header_anchor">
+  <a href="#yield" id="yield"><code class="code">yield</code></a>
+</div>
+</div><div class="ddoc_decl">
+  <section class="section">
+    <div class="declaration">
+      <h4>Declaration</h4>
+      <div class="dlang">
+        <p class="para">
+          <code class="code">
+            <span class="ddoc_anchor" id="yield"></span>void <code class="code">yield</code>();
+
+          </code>
+        </p>
+      </div>
+    </div>
+  </section>
+</div>
+<div class="ddoc_decl">
+  <section class="section ddoc_sections">
+  <div class="ddoc_summary">
+  <p class="para">
+    Yields the execution of current fiber or thread
+  </p>
+</div>
+
+</section>
+
+</div>
+
 </li><li class="ddoc_member">
   <div class="ddoc_member_header">
   <div class="ddoc_header_anchor">

src/photon/package.d

@@ -98,6 +98,16 @@ public Task goOnSameThread(void function() func) @safe;
     This avoids blocking event loop on computationally intensive tasks.
 */
 T offload(T)(T delegate() work) @trusted;
+
+/**
+    Suspend the current fiber or thread for req amount of time.
+    Note the resolution of wait is in milliseconds, a delay of zero will still yield the execution.
+*/
+public void delay(Duration req);
+
+/// Yields the execution of current fiber or thread
+public void yield();
+
 }
 
 /// Number of threads running the scheduler loop