1 files changed, 59 insertions, 0 deletions
diff --git a/Source/WebCore/platform/cocoa/MachSendRight.h b/Source/WebCore/platform/cocoa/MachSendRight.h
new file mode 100644
index 000000000..cded9dcb0
--- /dev/null
+++ b/Source/WebCore/platform/cocoa/MachSendRight.h
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef MachSendRight_h
+#define MachSendRight_h
+
+#include <mach/mach_port.h>
+
+namespace WebCore {
+
+class MachSendRight {
+public:
+    WEBCORE_EXPORT static MachSendRight adopt(mach_port_t);
+    WEBCORE_EXPORT static MachSendRight create(mach_port_t);
+
+    MachSendRight() = default;
+    WEBCORE_EXPORT MachSendRight(MachSendRight&&);
+    WEBCORE_EXPORT ~MachSendRight();
+
+    WEBCORE_EXPORT MachSendRight& operator=(MachSendRight&&);
+
+    explicit operator bool() const { return m_port != MACH_PORT_NULL; }
+
+    mach_port_t sendRight() const { return m_port; }
+
+    WEBCORE_EXPORT MachSendRight copySendRight() const;
+    WEBCORE_EXPORT mach_port_t leakSendRight() WARN_UNUSED_RETURN;
+
+private:
+    explicit MachSendRight(mach_port_t);
+
+    mach_port_t m_port { MACH_PORT_NULL };
+};
+
+}
+
+#endif // MachSendRight_h