lockFile.h

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#ifndef _DLRUTILITIES_LOCKFILE_H_
#define _DLRUTILITIES_LOCKFILE_H_

#include <string>

namespace dlr {

  namespace utilities {
    
    class LockFile {
    public:

      LockFile(const std::string& fileName,
               double timeout = 0.0);


      LockFile(const std::string& fileName, const std::string& contents,
               double timeout = 0.0);


      ~LockFile();


      bool
      isValid();


      bool
      retry(double timeout = 0.0);
      
    private:

      int m_fileDescriptor;
      std::string m_fileName;

    }; // class LockFile

  } // namespace utilities
  
} // namespace dlr


/* ======= Declarations to maintain compatibility with legacy code. ======= */

namespace dlr {

  using utilities::LockFile;
  
} // namespace dlr

#endif // #ifndef _DLRUTILITES_LOCKFILE_H_

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