HP IO Accelerator for BladeSystem c-Class Performance Tuning Manuale Utente Scaricare il pdf (Pagina 28)

Programming using direct I/O 28

exit(ret);

}

do {

ret = file.write(buf, bufsize);

if( ret < 0 ) {

cerr << endl << "Error writing bytes to " << FILENAME <<

". written=" << file.gbytesWritten() << "GBytes";

cerr << ", errno=" << errno << " " << strerror(errno) << endl;

} else {

cout << ".";

}

} while( ret > 0 );

if( ret >= 0 )

cout << endl << "Wrote " << file.gbytesWritten() << "GBytes" <<

endl;

free(buf);

return ret;

}

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HP IO Accelerator for BladeSystem c-Class Performance Tuning Manuale Utente Pagina 28