--- thttpd.c.orig Wed Jun 29 19:50:59 2005 +++ thttpd.c Sun Jun 17 21:30:11 2007 @@ -1723,12 +1723,45 @@ if ( hc->responselen == 0 ) { /* No, just write the file. */ +#ifdef USE_SENDFILE + off_t sbytes; + + sz = sendfile( + hc->file_fd, hc->conn_fd, c->next_byte_index, + MIN( c->end_byte_index - c->next_byte_index, max_bytes ), + NULL, &sbytes, 0 ); + if (sz == -1 && errno == EAGAIN) + sz = sbytes > 0 ? sbytes : -1; + else if (sz == 0) + sz = sbytes; +#else sz = write( hc->conn_fd, &(hc->file_address[c->next_byte_index]), MIN( c->end_byte_index - c->next_byte_index, max_bytes ) ); +#endif } else { +#ifdef USE_SENDFILE + struct sf_hdtr sf; + struct iovec iv; + off_t sbytes; + + iv.iov_base = hc->response; + iv.iov_len = hc->responselen; + sf.headers = &iv; + sf.hdr_cnt = 1; + sf.trailers = NULL; + sf.trl_cnt = 0; + sz = sendfile( + hc->file_fd, hc->conn_fd, c->next_byte_index, + MIN( c->end_byte_index - c->next_byte_index, max_bytes ), + &sf, &sbytes, 0 ); + if (sz == -1 && errno == EAGAIN) + sz = sbytes > 0 ? sbytes : -1; + else if (sz == 0) + sz = sbytes; +#else /* Yes. We'll combine headers and file into a single writev(), ** hoping that this generates a single packet. */ @@ -1739,6 +1772,7 @@ iv[1].iov_base = &(hc->file_address[c->next_byte_index]); iv[1].iov_len = MIN( c->end_byte_index - c->next_byte_index, max_bytes ); sz = writev( hc->conn_fd, iv, 2 ); +#endif } if ( sz < 0 && errno == EINTR ) @@ -1786,7 +1820,11 @@ ** ** And ECONNRESET isn't interesting either. */ - if ( errno != EPIPE && errno != EINVAL && errno != ECONNRESET ) + if ( errno != EPIPE && errno != EINVAL && errno != ECONNRESET +#ifdef USE_SENDFILE + && errno != ENOTCONN +#endif + ) syslog( LOG_ERR, "write - %m sending %.80s", hc->encodedurl ); clear_connection( c, tvP ); return;