1 files changed, 59 insertions, 0 deletions
diff --git a/Source/WebKit2/Shared/ChildProcess.cpp b/Source/WebKit2/Shared/ChildProcess.cpp
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+++ b/Source/WebKit2/Shared/ChildProcess.cpp
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+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ChildProcess.h"
+
+#if !OS(WINDOWS)
+#include <unistd.h>
+#endif
+
+namespace WebKit {
+
+ChildProcess::ChildProcess()
+{
+}
+
+ChildProcess::~ChildProcess()
+{
+}
+
+NO_RETURN static void watchdogCallback()
+{
+    // We use _exit here since the watchdog callback is called from another thread and we don't want 
+    // global destructors or atexit handlers to be called from this thread while the main thread is busy
+    // doing its thing.
+    _exit(EXIT_FAILURE);
+}
+
+void ChildProcess::didCloseOnConnectionWorkQueue(WorkQueue* workQueue, CoreIPC::Connection*)
+{
+    // If the connection has been closed and we haven't responded in the main thread for 10 seconds
+    // the process will exit forcibly.
+    static const double watchdogDelay = 10.0;
+    
+    workQueue->scheduleWorkAfterDelay(WorkItem::create(watchdogCallback), watchdogDelay);
+}
+    
+} // namespace WebKit