From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1MNs2C-0004dS-8z for qemu-devel@nongnu.org; Mon, 06 Jul 2009 13:31:20 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1MNs27-0004ZV-J0 for qemu-devel@nongnu.org; Mon, 06 Jul 2009 13:31:19 -0400 Received: from [199.232.76.173] (port=57344 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1MNs27-0004ZN-9j for qemu-devel@nongnu.org; Mon, 06 Jul 2009 13:31:15 -0400 Received: from mx2.redhat.com ([66.187.237.31]:45729) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1MNs26-0000CM-QC for qemu-devel@nongnu.org; Mon, 06 Jul 2009 13:31:15 -0400 Received: from int-mx2.corp.redhat.com (int-mx2.corp.redhat.com [172.16.27.26]) by mx2.redhat.com (8.13.8/8.13.8) with ESMTP id n66HVEvZ001524 for ; Mon, 6 Jul 2009 13:31:14 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx2.corp.redhat.com (8.13.1/8.13.1) with ESMTP id n66HVDbS022815 for ; Mon, 6 Jul 2009 13:31:13 -0400 Received: from [IPv6:::1] (sebastian-int.corp.redhat.com [172.16.52.221]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id n66HVCBl003094 for ; Mon, 6 Jul 2009 13:31:12 -0400 From: Mark McLoughlin In-Reply-To: <1246901401.12086.20.camel@blaa> References: <1246901401.12086.20.camel@blaa> Content-Type: text/plain Date: Mon, 06 Jul 2009 18:30:56 +0100 Message-Id: <1246901456.12086.21.camel@blaa> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PATCH 1/3] Make tcp_chr_read() use recvmsg() Reply-To: Mark McLoughlin List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel This makes no functional changes, just paves the way for the next patch. 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