From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:58540) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rn94k-0007Ic-6B for qemu-devel@nongnu.org; Tue, 17 Jan 2012 08:27:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Rn94e-0001Te-L3 for qemu-devel@nongnu.org; Tue, 17 Jan 2012 08:27:46 -0500 Received: from mx1.redhat.com ([209.132.183.28]:60717) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Rn94e-0001TR-AT for qemu-devel@nongnu.org; Tue, 17 Jan 2012 08:27:40 -0500 From: Luiz Capitulino Date: Tue, 17 Jan 2012 11:27:29 -0200 Message-Id: <1326806850-20351-2-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1326806850-20351-1-git-send-email-lcapitulino@redhat.com> References: <1326806850-20351-1-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: eblake@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 29e4f64..647df82 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); -- 1.7.9.rc0.dirty