On 06/07/2017 19:03, Marc-André Lureau wrote:
> A sync read should block until all requested data is
> available (instead of retrying in qemu_chr_fe_read_all). Change the
> channel to blocking during sync_read.
>
> Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
> ---
> chardev/char-socket.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> index ccc499cfa1..7e6648b03a 100644
> --- a/chardev/char-socket.c
> +++ b/chardev/char-socket.c
> @@ -454,7 +454,9 @@ static int tcp_chr_sync_read(Chardev *chr, const uint8_t
> *buf, int len)
> return 0;
> }
>
> + qio_channel_set_blocking(s->ioc, true, NULL);
> size = tcp_chr_recv(chr, (void *) buf, len);
> + qio_channel_set_blocking(s->ioc, false, NULL);
> if (size == 0) {
> /* connection closed */
> tcp_chr_disconnect(chr);
>
Acked-by: Paolo Bonzini <pbonz...@redhat.com>
