From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:58999) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RiWm6-0002Wx-Ql for qemu-devel@nongnu.org; Wed, 04 Jan 2012 14:45:29 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RiWm4-0005pc-EC for qemu-devel@nongnu.org; Wed, 04 Jan 2012 14:45:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:65448) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RiWm3-0005pI-TB for qemu-devel@nongnu.org; Wed, 04 Jan 2012 14:45:24 -0500 From: Luiz Capitulino Date: Wed, 4 Jan 2012 17:45:12 -0200 Message-Id: <1325706313-21936-2-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1325706313-21936-1-git-send-email-lcapitulino@redhat.com> References: <1325706313-21936-1-git-send-email-lcapitulino@redhat.com> Subject: [Qemu-devel] [PATCH 1/2] qemu-ga: set O_NONBLOCK for serial channels List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: amit.shah@redhat.com, jcody@redhat.com, mdroth@linux.vnet.ibm.com This fixes a bug when using -m isa-serial where qemu-ga will hang on a read()'s when communicating to the host via isa-serial. Original fix by Michael Roth. Signed-off-by: Luiz Capitulino --- qemu-ga.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/qemu-ga.c b/qemu-ga.c index 200bb15..98e4dfe 100644 --- a/qemu-ga.c +++ b/qemu-ga.c @@ -504,7 +504,7 @@ static void init_guest_agent(GAState *s) exit(EXIT_FAILURE); } } else if (strcmp(s->method, "isa-serial") == 0) { - fd = qemu_open(s->path, O_RDWR | O_NOCTTY); + fd = qemu_open(s->path, O_RDWR | O_NOCTTY | O_NONBLOCK); if (fd == -1) { g_critical("error opening channel: %s", strerror(errno)); exit(EXIT_FAILURE); -- 1.7.8.2.321.g4570a.dirty