Sentry.h

/*
 * #%L
 * OME-FILES C++ library for image IO.
 * Copyright © 2006 - 2015 Open Microscopy Environment:
 *   - Massachusetts Institute of Technology
 *   - National Institutes of Health
 *   - University of Dundee
 *   - Board of Regents of the University of Wisconsin-Madison
 *   - Glencoe Software, Inc.
 * %%
 * 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 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 HOLDERS 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.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of any organization.
 * #L%
 */

#ifndef OME_FILES_TIFF_SENTRY_H
#define OME_FILES_TIFF_SENTRY_H

#include <cstdarg>
#include <cstdint>
#include <memory>
#include <mutex>
#include <string>


namespace ome
{
  namespace files
  {
    namespace tiff
    {

      class Sentry
      {
      public:
        Sentry();

        ~Sentry();

      private:
        void
        setMessage(std::string const& message);

      public:
        std::string const&
        getMessage() const;

        void
        error(const std::string& message) const;

        void
        error() const;

      private:
        static std::recursive_mutex tiff_mutex;

        std::lock_guard<std::recursive_mutex> lock;

        std::string message;

        static void
        errorHandler(const char *module,
                     const char *fmt,
                     va_list     ap);

      };

    }
  }
}

#endif // OME_FILES_TIFF_SENTRY_H

/*
 * Local Variables:
 * mode:C++
 * End:
 */