Re: bugfix: resend: fix serial_flush

[Alexandre Julliard]

Wolfgang Walter  writes:
> @@ -201,7 +202,17 @@ static void serial_flush( struct fd *fd, struct event **event )
>      /* MSDN says: If hFile is a handle to a communications device,
>       * the function only flushes the transmit buffer.
>       */
> - if (tcflush( get_unix_fd(fd), TCOFLUSH ) == -1) file_set_error();
> - /* FlushFileBuffers does NOT have the semantics of tcflush.
> -
> * Whereas tcflush discards any data not yet transmitted
> -
> * FlushFileBuffers ensures they are written out.
> -
> * The POSIX equivalent is tcdrain
> -
> */
> - while (tcdrain( get_unix_fd(fd)) == -1) {
> -
> if (errno != EINTR) {
> -
>        file_set_error();
> -
>        return;
> -
>    }

This will block, you can't do that in the server.