IOFlags.h

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#ifndef STORAGE_FACTORY_IO_FLAGS_H
# define STORAGE_FACTORY_IO_FLAGS_H

namespace IOFlags
{
  enum OpenMode
  {
    OpenRead        = 1,    /*< Open for read access.  */
    OpenWrite       = 2,    /*< Open for write access.  */
    OpenNonBlock    = 4,    /*< Open in non-blocking mode.
                    Neither the #open() nor any
                    subsequent operation on the
                    returned descriptor cause the
                    process to wait.  Applied to
                    opening a named pipe (a FIFO)
                    allows the pipe to be opened
                    without waiting for the other end
                    to be connected.  */
    OpenAppend      = 8,    /*< Writes to the file should always
                    append to the end of the file.  */
    OpenUnbuffered  = 16,   /*< No write caching should be done on
                    this file; may result in blocking
                    the process until the data has
                    actually been written.  */
    OpenCreate      = 32,   /*< Create the file if it does not exist.  */
    OpenExclusive   = 64,   /*< With #ModeCreate specifies that
                    the creation should fali if the
                    file exists.  */
    OpenTruncate    = 128,  /*< If the file exists, truncate it to
                    zero size.  */
    OpenNotCTTY     = 256   /*< If the specified file is a
                    terminal device, do not make it
                    the controlling terminal for the
                    process even if the process does
                    not have one yet.  */
  };
} // namespace IOFlags

#endif // STORAGE_FACTORY_IO_FLAGS_H