From patchwork Thu May 14 16:28:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Juan Quintela X-Patchwork-Id: 472400 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 AE934140284 for ; Fri, 15 May 2015 02:29:26 +1000 (AEST) Received: from localhost ([::1]:55746 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ysw0i-0005uH-IL for incoming@patchwork.ozlabs.org; Thu, 14 May 2015 12:29:24 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47755) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ysw09-0004nQ-UQ for qemu-devel@nongnu.org; Thu, 14 May 2015 12:28:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ysw07-0006Tr-1I for qemu-devel@nongnu.org; Thu, 14 May 2015 12:28:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56393) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ysw06-0006TA-SN for qemu-devel@nongnu.org; Thu, 14 May 2015 12:28:46 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 8516035C837 for ; Thu, 14 May 2015 16:28:46 +0000 (UTC) Received: from trasno.mitica (ovpn-116-28.ams2.redhat.com [10.36.116.28]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t4EGSeY1022298; Thu, 14 May 2015 12:28:45 -0400 From: Juan Quintela To: qemu-devel@nongnu.org Date: Thu, 14 May 2015 18:28:34 +0200 Message-Id: <1431620920-19710-4-git-send-email-quintela@redhat.com> In-Reply-To: <1431620920-19710-1-git-send-email-quintela@redhat.com> References: <1431620920-19710-1-git-send-email-quintela@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 3/9] 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 | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 8a52934..c1a403e 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 15bccc4..7dca13f 100644 --- a/vl.c +++ b/vl.c @@ -609,6 +609,17 @@ 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;