From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34672) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fOIHt-0001em-Md for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fOIHq-0007lp-Q0 for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:21 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:52884 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fOIHq-0007le-LE for qemu-devel@nongnu.org; Thu, 31 May 2018 03:46:18 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 1E5A081663CC for ; Thu, 31 May 2018 07:46:18 +0000 (UTC) From: Sergio Lopez Date: Thu, 31 May 2018 09:45:59 +0200 Message-Id: <20180531074601.10647-2-slp@redhat.com> In-Reply-To: <20180531074601.10647-1-slp@redhat.com> References: <20180531074601.10647-1-slp@redhat.com> Subject: [Qemu-devel] [PATCH 1/3] io: Implement QIO_CHANNEL_ERR_BROKEN List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: berrange@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, mst@redhat.com Cc: qemu-devel@nongnu.org, Sergio Lopez QIO_CHANNEL_ERR_BROKEN is used to identify a potentially unrecoverable error in the channel, like EPIPE. --- include/io/channel.h | 1 + io/channel-file.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/include/io/channel.h b/include/io/channel.h index e8cdadb..bbe45f6 100644 --- a/include/io/channel.h +++ b/include/io/channel.h @@ -38,6 +38,7 @@ typedef struct QIOChannel QIOChannel; typedef struct QIOChannelClass QIOChannelClass; #define QIO_CHANNEL_ERR_BLOCK -2 +#define QIO_CHANNEL_ERR_BROKEN -3 typedef enum QIOChannelFeature QIOChannelFeature; diff --git a/io/channel-file.c b/io/channel-file.c index db948ab..a990f67 100644 --- a/io/channel-file.c +++ b/io/channel-file.c @@ -124,6 +124,9 @@ static ssize_t qio_channel_file_writev(QIOChannel *ioc, if (errno == EAGAIN) { return QIO_CHANNEL_ERR_BLOCK; } + if (errno == EPIPE) { + return QIO_CHANNEL_ERR_BROKEN; + } if (errno == EINTR) { goto retry; } -- 1.8.3.1