1 files changed, 73 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/inspector/EventLoop.cpp b/Source/JavaScriptCore/inspector/EventLoop.cpp
new file mode 100644
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+++ b/Source/JavaScriptCore/inspector/EventLoop.cpp
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+/*
+ * Copyright (C) 2011 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. ``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
+ * 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 "EventLoop.h"
+
+#if OS(WINDOWS)
+#include <windows.h>
+#elif PLATFORM(GTK)
+#include <glib.h>
+#endif
+
+namespace Inspector {
+
+#if USE(CF) && !OS(WINDOWS)
+CFStringRef EventLoop::remoteInspectorRunLoopMode()
+{
+    return CFSTR("com.apple.JavaScriptCore.remote-inspector-runloop-mode");
+}
+#endif
+
+void EventLoop::cycle()
+{
+#if OS(WINDOWS)
+    MSG msg;
+    if (!GetMessage(&msg, 0, 0, 0)) {
+        m_ended = true;
+        return;
+    }
+    TranslateMessage(&msg);
+    DispatchMessage(&msg);
+#elif PLATFORM(WATCHOS)
+    // FIXME: <rdar://problem/25972777>. In order for auto-attach to work, we need to
+    // run in the default run loop mode otherwise we do not receive the XPC messages
+    // necessary to setup the relay connection and negotiate an auto-attach debugger.
+    CFTimeInterval timeInterval = 0.05;
+    CFRunLoopRunInMode(kCFRunLoopDefaultMode, timeInterval, true);
+#elif USE(CF)
+    // Run the RunLoop in a custom run loop mode to prevent default observers
+    // to run and potentially evaluate JavaScript in this context while we are
+    // nested. Only the debugger should control things until we continue.
+    // FIXME: This is not a perfect solution, as background threads are not
+    // paused and can still access and evalute script in the JSContext.
+    CFTimeInterval timeInterval = 0.05;
+    CFRunLoopRunInMode(remoteInspectorRunLoopMode(), timeInterval, true);
+#elif PLATFORM(GTK)
+    g_main_context_iteration(NULL, FALSE);
+#endif
+}
+
+} // namespace Inspector