GuardInterface.h

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// Copyright 2015 Sensics, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef INCLUDED_GuardInterface_h_GUID_95F5DE8D_6ED0_4A80_9D86_EC8589CB2196
#define INCLUDED_GuardInterface_h_GUID_95F5DE8D_6ED0_4A80_9D86_EC8589CB2196

// Internal Includes
#include <osvr/Util/AnnotationMacrosC.h>
#include <osvr/Util/Export.h>

// Library/third-party includes
// - none

// Standard includes
// - none

namespace osvr {
namespace util {
    class OSVR_UTIL_EXPORT GuardInterface {
      public:
        virtual ~GuardInterface();
        OSVR_RETURN_WARN_UNUSED virtual bool lock() = 0;
    };

} // namespace util
} // namespace osvr
#endif // INCLUDED_GuardInterface_h_GUID_95F5DE8D_6ED0_4A80_9D86_EC8589CB2196