[] (0) navigator.releaseLock()

git-svn-id: http://svn.whatwg.org/webapps@2901 340c8d12-0b0e-0410-8428-c7bf67bfef74

index

@@ -708,10 +708,11 @@
    <li><a href=#system-state-and-capabilities><span class=secno>5.7 </span>System state and capabilities</a>
     <ol>
      <li><a href=#client-identification><span class=secno>5.7.1 </span>Client identification</a></li>
-     <li><a href=#custom-handlers><span class=secno>5.7.2 </span>Custom protocol and content handlers</a>
+     <li><a href=#custom-handlers><span class=secno>5.7.2 </span>Custom protocol and content handlers</a></li>
+     <li><a href=#manually-releasing-the-storage-mutex><span class=secno>5.7.3 </span>Manually releasing the storage mutex</a>
       <ol>
-       <li><a href=#security-and-privacy><span class=secno>5.7.2.1 </span>Security and privacy</a></li>
-       <li><a href=#sample-handler-impl><span class=secno>5.7.2.2 </span>Sample user interface</a></ol></ol></li>
+       <li><a href=#security-and-privacy><span class=secno>5.7.3.1 </span>Security and privacy</a></li>
+       <li><a href=#sample-handler-impl><span class=secno>5.7.3.2 </span>Sample user interface</a></ol></ol></li>
    <li><a href=#offline><span class=secno>5.8 </span>Offline Web applications</a>
     <ol>
      <li><a href=#introduction-2><span class=secno>5.8.1 </span>Introduction</a></li>
@@ -41431,6 +41432,7 @@ interface <dfn id=function>Function</dfn> {
   // content handler registration
   void <a href=#dom-navigator-registerprotocolhandler title=dom-navigator-registerProtocolHandler>registerProtocolHandler</a>(in DOMString protocol, in DOMString url, in DOMString title);
   void <a href=#dom-navigator-registercontenthandler title=dom-navigator-registerContentHandler>registerContentHandler</a>(in DOMString mimeType, in DOMString url, in DOMString title);
+  void <a href=#dom-navigator-releaselock title=dom-navigator-releaseLock>releaseLock</a>();
 <!--  XXX cookieEnabled geolocator javaEnabled mozIsLocallyAvailable preference
   readonly attribute <span>MimeTypeArray</span> <span title="dom-navigator-mimeTypes">mimeTypes</span>;
   readonly attribute <span>PluginArray</span> <span title="dom-navigator-plugins">plugins</span>;
@@ -41442,9 +41444,9 @@ interface <dfn id=function>Function</dfn> {
   <p>Objects implementing the <code><a href=#navigator>Navigator</a></code> interface must
   also implement the <a href=#navigatorid>NavigatorID</a>,
   <a href=#navigatoronline>NavigatorOnLine</a>, and
-  <a href=#navigatorabilities>NavigatorAbilities</a> interfaces. (These
-  interfaces are defined separately so that other specifications can
-  re-use parts of the <code><a href=#navigator>Navigator</a></code> interface.)</p>
+  <a href=#navigatorabilities>NavigatorAbilities</a> interfaces. (These interfaces are
+  defined separately so that other specifications can re-use parts of
+  the <code><a href=#navigator>Navigator</a></code> interface.)</p>
 
    <!-- XXX also, see window.external.AddSearchProvider() and similar DOM APIs from IE -->
 
@@ -41709,9 +41711,42 @@ interface <dfn id=function>Function</dfn> {
   </div>
 
 
+  <h4 id=manually-releasing-the-storage-mutex><span class=secno>5.7.3 </span>Manually releasing the storage mutex</h4>
+
+  <dl class=domintro><dt><var title="">window</var> . <code title=dom-navigator><a href=#dom-navigator>navigator</a></code> . <code title=dom-navigator-releaseLock><a href=#dom-navigator-releaselock>releaseLock</a></code>()</dt>
+
+   <dd>
+
+    <p>If a script uses the <code title=dom-document-cookie><a href=#dom-document-cookie>document.cookie</a></code> API, or the
+    <code title=dom-localStorage>localStorage</code> API, the
+    browser will block other scripts from accessing cookies or storage
+    until the first script finishes.</p>
+
+    <p>Calling the <code title=dom-navigator-releaseLock><a href=#dom-navigator-releaselock>navigator.releaseLock()</a></code>
+    method tells the user agent to unblock any other scripts that may
+    be blocked, even though the script hasn't returned.</p>
+
+    <p>Values of cookies and items in the <code>Storage</code> objects
+    of <code title=dom-localStorage>localStorage</code> attributes
+    can change after calling this method.</p>
+
+   </dd>
+
+  </dl><div class=impl>
+
+   <p>The <dfn id=dom-navigator-releaselock title=dom-navigator-releaseLock><code>releaseLock()</code></dfn>
+   method, when invoked, must, if the <a href=#storage-mutex>storage mutex</a> is
+   owned by the <a href=#event-loop>event loop</a> of the <a href=#concept-task title=concept-task>task</a> that resulted in the method being
+   called, release the <a href=#storage-mutex>storage mutex</a> so that it is once
+   again free. Otherwise, it must do nothing.</p>
+
+  </div>
+
+
+
   <div class=impl>
 
-  <h5 id=security-and-privacy><span class=secno>5.7.2.1 </span>Security and privacy</h5>
+  <h5 id=security-and-privacy><span class=secno>5.7.3.1 </span>Security and privacy</h5>
 
   <p>These mechanisms can introduce a number of concerns, in
   particular privacy concerns.</p>
@@ -41795,7 +41830,7 @@ interface <dfn id=function>Function</dfn> {
 
   <div class=impl>
 
-  <h5 id=sample-handler-impl><span class=secno>5.7.2.2 </span>Sample user interface</h5>
+  <h5 id=sample-handler-impl><span class=secno>5.7.3.2 </span>Sample user interface</h5>
 
   <p><em>This section is non-normative.</em></p>
 

source

@@ -47050,6 +47050,7 @@ interface <dfn>Function</dfn> {
   // content handler registration
   void <span title="dom-navigator-registerProtocolHandler">registerProtocolHandler</span>(in DOMString protocol, in DOMString url, in DOMString title);
   void <span title="dom-navigator-registerContentHandler">registerContentHandler</span>(in DOMString mimeType, in DOMString url, in DOMString title);
+  void <span title="dom-navigator-releaseLock">releaseLock</span>();
 <!--  XXX cookieEnabled geolocator javaEnabled mozIsLocallyAvailable preference
   readonly attribute <span>MimeTypeArray</span> <span title="dom-navigator-mimeTypes">mimeTypes</span>;
   readonly attribute <span>PluginArray</span> <span title="dom-navigator-plugins">plugins</span>;
@@ -47061,9 +47062,9 @@ interface <dfn>Function</dfn> {
   <p>Objects implementing the <code>Navigator</code> interface must
   also implement the <span>NavigatorID</span>,
   <span>NavigatorOnLine</span>, and
-  <span>NavigatorAbilities</span> interfaces. (These
-  interfaces are defined separately so that other specifications can
-  re-use parts of the <code>Navigator</code> interface.)</p>
+  <span>NavigatorAbilities</span> interfaces. (These interfaces are
+  defined separately so that other specifications can re-use parts of
+  the <code>Navigator</code> interface.)</p>
 
    <!-- XXX also, see window.external.AddSearchProvider() and similar DOM APIs from IE -->
 
@@ -47365,6 +47366,47 @@ interface <dfn>Function</dfn> {
   </div>
 
 
+  <h4>Manually releasing the storage mutex</h4>
+
+  <dl class="domintro">
+
+   <dt><var title="">window</var> . <code title="dom-navigator">navigator</code> . <code title="dom-navigator-releaseLock">releaseLock</code>()</dt>
+
+   <dd>
+
+    <p>If a script uses the <code
+    title="dom-document-cookie">document.cookie</code> API, or the
+    <code title="dom-localStorage">localStorage</code> API, the
+    browser will block other scripts from accessing cookies or storage
+    until the first script finishes.</p>
+
+    <p>Calling the <code
+    title="dom-navigator-releaseLock">navigator.releaseLock()</code>
+    method tells the user agent to unblock any other scripts that may
+    be blocked, even though the script hasn't returned.</p>
+
+    <p>Values of cookies and items in the <code>Storage</code> objects
+    of <code title="dom-localStorage">localStorage</code> attributes
+    can change after calling this method.</p>
+
+   </dd>
+
+  </dl>
+
+  <div class="impl">
+
+   <p>The <dfn
+   title="dom-navigator-releaseLock"><code>releaseLock()</code></dfn>
+   method, when invoked, must, if the <span>storage mutex</span> is
+   owned by the <span>event loop</span> of the <span
+   title="concept-task">task</span> that resulted in the method being
+   called, release the <span>storage mutex</span> so that it is once
+   again free. Otherwise, it must do nothing.</p>
+
+  </div>
+
+
+
   <div class="impl">
 
   <h5>Security and privacy</h5>