Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

2 files changed, 117 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/wtf/chromium/ChromiumThreading.h b/Source/JavaScriptCore/wtf/chromium/ChromiumThreading.h
new file mode 100644
index 000000000..39386219d
--- /dev/null
+++ b/Source/JavaScriptCore/wtf/chromium/ChromiumThreading.h
@@ -0,0 +1,44 @@
+/*
+* Copyright (C) 2009 Google 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:
+* 
+*     * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*     * 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.
+*     * Neither the name of Google Inc. nor the names of its
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+* 
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+* OWNER OR 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.
+*/
+
+#ifndef ChromiumThreading_h
+#define ChromiumThreading_h
+
+namespace WTF {
+
+// An interface to the embedding layer, which provides threading support.
+class ChromiumThreading {
+public:
+    static void callOnMainThread(void (*func)(void*), void* context);
+};
+
+} // namespace WTF
+
+#endif // ChromiumThreading_h
diff --git a/Source/JavaScriptCore/wtf/chromium/MainThreadChromium.cpp b/Source/JavaScriptCore/wtf/chromium/MainThreadChromium.cpp
new file mode 100644
index 000000000..9e6592b57
--- /dev/null
+++ b/Source/JavaScriptCore/wtf/chromium/MainThreadChromium.cpp
@@ -0,0 +1,73 @@
+/*
+* Copyright (C) 2009 Google 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:
+* 
+*     * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+*     * 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.
+*     * Neither the name of Google Inc. nor the names of its
+* contributors may be used to endorse or promote products derived from
+* this software without specific prior written permission.
+* 
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+* OWNER OR 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 "config.h"
+#include "MainThread.h"
+
+#include "Assertions.h"
+#include "ChromiumThreading.h"
+#include "Threading.h"
+
+namespace WTF {
+
+static ThreadIdentifier mainThreadIdentifier;
+
+void initializeMainThread()
+{
+    static bool initializedMainThread;
+    if (initializedMainThread)
+        return;
+    initializedMainThread = true;
+
+    mainThreadIdentifier = currentThread();
+}
+
+void callOnMainThread(MainThreadFunction* function, void* context)
+{
+    ChromiumThreading::callOnMainThread(function, context);
+}
+
+void callOnMainThreadAndWait(MainThreadFunction*, void*)
+{
+    ASSERT_NOT_REACHED();
+}
+
+void setMainThreadCallbacksPaused(bool)
+{
+    ASSERT_NOT_REACHED();
+}
+
+bool isMainThread()
+{
+    return currentThread() == mainThreadIdentifier;
+}
+
+} // namespace WTF
+