void nextPhredPipeline :: openAndLockControlFile() {
nFDControlFile_ = open( filControlFile_.data(), O_CREAT |O_RDWR );
nFDControlFile_ = open( filControlFile_.data(), O_CREAT |O_RDWR, 0600 );
if ( nFDControlFile_ == -1 ) {
THROW_FILE_ERROR( filControlFile_ );
}