Title: [93726] trunk
Revision
93726
Author
jap...@chromium.org
Date
2011-08-24 13:16:45 -0700 (Wed, 24 Aug 2011)

Log Message

2011-08-24  Nate Chapin  <jap...@chromium.org>

        Fix an intermittent crash in EventSource, when a
        reconnect timer triggers after a navigation
        away from the current page begins.
        https://bugs.webkit.org/show_bug.cgi?id=45202

        Reviewed by Alexey Proskuryakov.

        Test: http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html

        * page/EventSource.cpp:
        (WebCore::EventSource::connect): Don't set m_requestInFlight
            to true if ThreadableLoader::create() failed.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (93725 => 93726)


--- trunk/LayoutTests/ChangeLog	2011-08-24 20:08:51 UTC (rev 93725)
+++ trunk/LayoutTests/ChangeLog	2011-08-24 20:16:45 UTC (rev 93726)
@@ -1,3 +1,13 @@
+2011-08-24  Nate Chapin  <jap...@chromium.org>
+
+        Test for https://bugs.webkit.org/show_bug.cgi?id=45202.
+
+        Reviewed by Alexey Proskuryakov.
+
+        * http/tests/eventsource/eventsource-reconnect-during-navigate-crash-expected.txt: Added.
+        * http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html: Added.
+        * http/tests/eventsource/resources/wait-then-notify-done.php: Added.
+
 2011-08-23  Peter Kasting  <pkast...@google.com>
 
         [chromium] Test expectation updates.

Added: trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash-expected.txt (0 => 93726)


--- trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash-expected.txt	2011-08-24 20:16:45 UTC (rev 93726)
@@ -0,0 +1 @@
+

Added: trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html (0 => 93726)


--- trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html	                        (rev 0)
+++ trunk/LayoutTests/http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html	2011-08-24 20:16:45 UTC (rev 93726)
@@ -0,0 +1,20 @@
+<html>
+<body>
+<p>Navigate while an EventSource reconnect timer is waiting, then have the reconnect timer trigger before the page unloads. We pass if we don't crash.
+<script>
+if (window.layoutTestController) {
+    layoutTestController.waitUntilDone();
+    layoutTestController.dumpAsText();
+}
+
+function navigate() {
+    window.location = "resources/wait-then-notify-done.php";
+}
+
+var es = new EventSource("resources/reconnect.php");
+es._onerror_ = function() {
+    setTimeout(navigate, 0);
+};
+</script>
+</body>
+</html>

Added: trunk/LayoutTests/http/tests/eventsource/resources/wait-then-notify-done.php (0 => 93726)


--- trunk/LayoutTests/http/tests/eventsource/resources/wait-then-notify-done.php	                        (rev 0)
+++ trunk/LayoutTests/http/tests/eventsource/resources/wait-then-notify-done.php	2011-08-24 20:16:45 UTC (rev 93726)
@@ -0,0 +1,8 @@
+<?php
+header("Content-Type: text/html");
+header("Expires: Thu, 01 Dec 2003 16:00:00 GMT");
+header("Cache-Control: no-store, no-cache, must-revalidate");
+header("Pragma: no-cache");
+sleep(1);
+echo "<script> if (window.layoutTestController) layoutTestController.notifyDone()</script>\n";
+?>

Modified: trunk/Source/WebCore/ChangeLog (93725 => 93726)


--- trunk/Source/WebCore/ChangeLog	2011-08-24 20:08:51 UTC (rev 93725)
+++ trunk/Source/WebCore/ChangeLog	2011-08-24 20:16:45 UTC (rev 93726)
@@ -1,3 +1,18 @@
+2011-08-24  Nate Chapin  <jap...@chromium.org>
+
+        Fix an intermittent crash in EventSource, when a
+        reconnect timer triggers after a navigation
+        away from the current page begins.
+        https://bugs.webkit.org/show_bug.cgi?id=45202
+
+        Reviewed by Alexey Proskuryakov.
+
+        Test: http/tests/eventsource/eventsource-reconnect-during-navigate-crash.html
+
+        * page/EventSource.cpp:
+        (WebCore::EventSource::connect): Don't set m_requestInFlight
+            to true if ThreadableLoader::create() failed.
+
 2011-08-24  Mike Reed  <r...@google.com>
 
         Change clip routine to promote the clipbounds up to (local) floats and then perform the intersection,

Modified: trunk/Source/WebCore/page/EventSource.cpp (93725 => 93726)


--- trunk/Source/WebCore/page/EventSource.cpp	2011-08-24 20:08:51 UTC (rev 93725)
+++ trunk/Source/WebCore/page/EventSource.cpp	2011-08-24 20:16:45 UTC (rev 93726)
@@ -120,7 +120,8 @@
 
     m_loader = ThreadableLoader::create(scriptExecutionContext(), this, request, options);
 
-    m_requestInFlight = true;
+    if (m_loader)
+        m_requestInFlight = true;
 }
 
 void EventSource::endRequest()
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