From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MOYan-0003AM-CH for qemu-devel@nongnu.org; Wed, 08 Jul 2009 10:57:53 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MOYai-00032a-F9 for qemu-devel@nongnu.org; Wed, 08 Jul 2009 10:57:52 -0400 Received: from [199.232.76.173] (port=56156 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MOYah-000328-Up for qemu-devel@nongnu.org; Wed, 08 Jul 2009 10:57:48 -0400 Received: from mail19.svc.cra.dublin.eircom.net ([159.134.118.218]:48119) by monty-python.gnu.org with smtp (Exim 4.60) (envelope-from ) id 1MOYah-0000YB-FO for qemu-devel@nongnu.org; Wed, 08 Jul 2009 10:57:47 -0400 From: Mark McLoughlin Date: Wed, 8 Jul 2009 15:57:24 +0100 Message-Id: <1247065048-15706-1-git-send-email-markmc@redhat.com> In-Reply-To: <1247064963.3270.63.camel@blaa> References: <1247064963.3270.63.camel@blaa> Subject: [Qemu-devel] [PATCH 1/5] Make tcp_chr_read() use recvmsg() List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Mark McLoughlin Signed-off-by: Mark McLoughlin --- qemu-char.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/qemu-char.c b/qemu-char.c index 287e0cd..e0d7220 100644 --- a/qemu-char.c +++ b/qemu-char.c @@ -1911,15 +1911,25 @@ static void tcp_chr_read(void *opaque) { CharDriverState *chr = opaque; TCPCharDriver *s = chr->opaque; + struct msghdr msg = { 0, }; + struct iovec iov[1]; uint8_t buf[1024]; int len, size; if (!s->connected || s->max_size <= 0) return; + len = sizeof(buf); if (len > s->max_size) len = s->max_size; - size = recv(s->fd, (void *)buf, len, 0); + + iov[0].iov_base = buf; + iov[0].iov_len = len; + + msg.msg_iov = iov; + msg.msg_iovlen = 1; + + size = recvmsg(s->fd, &msg, 0); if (size == 0) { /* connection closed */ s->connected = 0; -- 1.6.2.5