From patchwork Wed Oct 15 07:55:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 399773 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3845B14012B for ; Wed, 15 Oct 2014 18:57:48 +1100 (EST) Received: from localhost ([::1]:42577 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XeJSs-0006gA-Du for incoming@patchwork.ozlabs.org; Wed, 15 Oct 2014 03:57:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38631) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XeJQc-0003GU-Nx for qemu-devel@nongnu.org; Wed, 15 Oct 2014 03:55:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XeJQU-0006xs-5k for qemu-devel@nongnu.org; Wed, 15 Oct 2014 03:55:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:7697) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XeJQT-0006xo-Ui for qemu-devel@nongnu.org; Wed, 15 Oct 2014 03:55:18 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s9F7tHmN025112 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Wed, 15 Oct 2014 03:55:17 -0400 Received: from trasno.mitica (ovpn-116-82.ams2.redhat.com [10.36.116.82]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s9F7tA50032038; Wed, 15 Oct 2014 03:55:15 -0400 From: Juan Quintela To: qemu-devel@nongnu.org Date: Wed, 15 Oct 2014 09:55:05 +0200 Message-Id: <1413359710-2799-3-git-send-email-quintela@redhat.com> In-Reply-To: <1413359710-2799-1-git-send-email-quintela@redhat.com> References: <1413359710-2799-1-git-send-email-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, laine@redhat.com, lcapitulino@redhat.com Subject: [Qemu-devel] [PATCH 2/7] runstate: Add runstate store X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This allows us to store the current state to send it through migration. Signed-off-by: Juan Quintela --- include/sysemu/sysemu.h | 1 + vl.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index d8539fd..ae217da 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -28,6 +28,7 @@ bool runstate_check(RunState state); void runstate_set(RunState new_state); int runstate_is_running(void); bool runstate_needs_reset(void); +int runstate_store(char *str, int size); typedef struct vm_change_state_entry VMChangeStateEntry; typedef void VMChangeStateHandler(void *opaque, int running, RunState state); diff --git a/vl.c b/vl.c index 964d634..ce8e28b 100644 --- a/vl.c +++ b/vl.c @@ -677,6 +677,16 @@ bool runstate_check(RunState state) return current_run_state == state; } +int runstate_store(char *str, int size) +{ + const char *state = RunState_lookup[current_run_state]; + + if (strlen(state)+1 > size) + return -1; + strncpy(str, state, strlen(state)+1); + return 0; +} + static void runstate_init(void) { const RunStateTransition *p;