1 files changed, 111 insertions, 0 deletions
diff --git a/include/base/cef_platform_thread.h b/include/base/cef_platform_thread.h
new file mode 100644
index 00000000..e67eed41
--- /dev/null
+++ b/include/base/cef_platform_thread.h
@@ -0,0 +1,111 @@
+// Copyright (c) 2014 Marshall A. Greenblatt. Portions copyright (c) 2011
+// 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 name Chromium Embedded
+// Framework 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.
+
+// WARNING: You should *NOT* be using this class directly.  PlatformThread is
+// the low-level platform-specific abstraction to the OS's threading interface.
+// You should instead be using a message-loop driven Thread, see thread.h.
+
+#ifndef CEF_INCLUDE_BASE_PLATFORM_THREAD_H_
+#define CEF_INCLUDE_BASE_PLATFORM_THREAD_H_
+
+#if defined(USING_CHROMIUM_INCLUDES)
+// When building CEF include the Chromium header directly.
+#include "base/threading/platform_thread.h"
+#else  // !USING_CHROMIUM_INCLUDES
+// The following is substantially similar to the Chromium implementation.
+// If the Chromium implementation diverges the below implementation should be
+// updated to match.
+
+#include "include/base/cef_basictypes.h"
+#include "include/base/cef_build.h"
+#include "include/internal/cef_thread_internal.h"
+
+namespace base {
+
+///
+/// Used for logging. Always an integer value.
+///
+typedef cef_platform_thread_id_t PlatformThreadId;
+
+///
+/// Used for thread checking and debugging.
+/// Meant to be as fast as possible.
+/// These are produced by PlatformThread::CurrentRef(), and used to later
+/// check if we are on the same thread or not by using ==. These are safe
+/// to copy between threads, but can't be copied to another process as they
+/// have no meaning there. Also, the internal identifier can be re-used
+/// after a thread dies, so a PlatformThreadRef cannot be reliably used
+/// to distinguish a new thread from an old, dead thread.
+///
+class PlatformThreadRef {
+ public:
+  typedef cef_platform_thread_handle_t RefType;
+
+  PlatformThreadRef() : id_(0) {}
+
+  explicit PlatformThreadRef(RefType id) : id_(id) {}
+
+  bool operator==(PlatformThreadRef other) const { return id_ == other.id_; }
+
+  bool is_null() const { return id_ == 0; }
+
+ private:
+  RefType id_;
+};
+
+///
+/// A namespace for low-level thread functions.
+/// Chromium uses a class with static methods but CEF uses an actual namespace
+/// to avoid linker problems with the sandbox libaries on Windows.
+///
+namespace PlatformThread {
+
+///
+/// Gets the current thread id, which may be useful for logging purposes.
+///
+inline PlatformThreadId CurrentId() {
+  return cef_get_current_platform_thread_id();
+}
+
+///
+/// Gets the current thread reference, which can be used to check if
+/// we're on the right thread quickly.
+///
+inline PlatformThreadRef CurrentRef() {
+  return PlatformThreadRef(cef_get_current_platform_thread_handle());
+}
+
+}  // namespace PlatformThread
+
+}  // namespace base
+
+#endif  // !USING_CHROMIUM_INCLUDES
+
+#endif  // CEF_INCLUDE_BASE_PLATFORM_THREAD_H_