{"id":813731,"url":"http://patchwork.ozlabs.org/api/patches/813731/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1505375436-28439-8-git-send-email-peterx@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<1505375436-28439-8-git-send-email-peterx@redhat.com>","list_archive_url":null,"date":"2017-09-14T07:50:28","name":"[RFC,07/15] monitor: unify global init","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"34382e33a2513b70d75ce724eed238f5015a60ac","submitter":{"id":67717,"url":"http://patchwork.ozlabs.org/api/people/67717/?format=json","name":"Peter Xu","email":"peterx@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/1505375436-28439-8-git-send-email-peterx@redhat.com/mbox/","series":[{"id":3043,"url":"http://patchwork.ozlabs.org/api/series/3043/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=3043","date":"2017-09-14T07:50:21","name":"QMP: out-of-band (OOB) execution support","version":1,"mbox":"http://patchwork.ozlabs.org/series/3043/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/813731/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/813731/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@bilbo.ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)","ext-mx03.extmail.prod.ext.phx2.redhat.com;\n\tdmarc=none (p=none dis=none) header.from=redhat.com","ext-mx03.extmail.prod.ext.phx2.redhat.com;\n\tspf=fail smtp.mailfrom=peterx@redhat.com"],"Received":["from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xt9qP1qFgz9sRm\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 14 Sep 2017 17:57:21 +1000 (AEST)","from localhost ([::1]:46208 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dsP1T-0003bT-99\n\tfor incoming@patchwork.ozlabs.org; Thu, 14 Sep 2017 03:57:19 -0400","from eggs.gnu.org ([2001:4830:134:3::10]:52063)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <peterx@redhat.com>) id 1dsOvx-0006bj-It\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 03:51:38 -0400","from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <peterx@redhat.com>) id 1dsOvw-00079V-K6\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 03:51:37 -0400","from mx1.redhat.com ([209.132.183.28]:51070)\n\tby eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)\n\t(Exim 4.71) (envelope-from <peterx@redhat.com>) id 1dsOvw-00077P-4G\n\tfor qemu-devel@nongnu.org; Thu, 14 Sep 2017 03:51:36 -0400","from smtp.corp.redhat.com\n\t(int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby mx1.redhat.com (Postfix) with ESMTPS id 165AC7E420;\n\tThu, 14 Sep 2017 07:51:35 +0000 (UTC)","from pxdev.xzpeter.org.com (dhcp-15-224.nay.redhat.com\n\t[10.66.15.224])\n\tby smtp.corp.redhat.com (Postfix) with ESMTP id 29C1277EC0;\n\tThu, 14 Sep 2017 07:51:29 +0000 (UTC)"],"DMARC-Filter":"OpenDMARC Filter v1.3.2 mx1.redhat.com 165AC7E420","From":"Peter Xu <peterx@redhat.com>","To":"qemu-devel@nongnu.org","Date":"Thu, 14 Sep 2017 15:50:28 +0800","Message-Id":"<1505375436-28439-8-git-send-email-peterx@redhat.com>","In-Reply-To":"<1505375436-28439-1-git-send-email-peterx@redhat.com>","References":"<1505375436-28439-1-git-send-email-peterx@redhat.com>","X-Scanned-By":"MIMEDefang 2.79 on 10.5.11.12","X-Greylist":"Sender IP whitelisted, not delayed by milter-greylist-4.5.16\n\t(mx1.redhat.com [10.5.110.27]);\n\tThu, 14 Sep 2017 07:51:35 +0000 (UTC)","X-detected-operating-system":"by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic]\n\t[fuzzy]","X-Received-From":"209.132.183.28","Subject":"[Qemu-devel] [RFC 07/15] monitor: unify global init","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.21","Precedence":"list","List-Id":"<qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>","List-Archive":"<http://lists.nongnu.org/archive/html/qemu-devel/>","List-Post":"<mailto:qemu-devel@nongnu.org>","List-Help":"<mailto:qemu-devel-request@nongnu.org?subject=help>","List-Subscribe":"<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Cc":"Laurent Vivier <lvivier@redhat.com>, Fam Zheng <famz@redhat.com>, Juan\n\tQuintela <quintela@redhat.com>, Markus Armbruster <armbru@redhat.com>,\n\tpeterx@redhat.com, mdroth@linux.vnet.ibm.com,\n\tStefan Hajnoczi <shajnocz@redhat.com>, =?utf-8?q?Marc-Andr=C3=A9_Lure?=\n\t=?utf-8?q?au?= <marcandre.lureau@gmail.com>,\n\tPaolo Bonzini <pbonzini@redhat.com>, \"Dr . David Alan Gilbert\"\n\t<dgilbert@redhat.com>","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"},"content":"There are many places for monitor init its globals, at least:\n\n- monitor_init_qmp_commands() at the very beginning\n- single function to init monitor_lock\n- in the first entry of monitor_init() using \"is_first_init\"\n\nUnify them a bit.\n\nSigned-off-by: Peter Xu <peterx@redhat.com>\n---\n include/monitor/monitor.h |  2 +-\n monitor.c                 | 25 ++++++++++---------------\n vl.c                      |  3 ++-\n 3 files changed, 13 insertions(+), 17 deletions(-)","diff":"diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h\nindex 83ea4a1..3a5128a 100644\n--- a/include/monitor/monitor.h\n+++ b/include/monitor/monitor.h\n@@ -16,7 +16,7 @@ extern Monitor *cur_mon;\n \n bool monitor_cur_is_qmp(void);\n \n-void monitor_init_qmp_commands(void);\n+void monitor_init_globals(void);\n void monitor_init(Chardev *chr, int flags);\n void monitor_cleanup(void);\n \ndiff --git a/monitor.c b/monitor.c\nindex d7eb3c2..7bd2e90 100644\n--- a/monitor.c\n+++ b/monitor.c\n@@ -1000,7 +1000,7 @@ static void qmp_unregister_commands_hack(void)\n #endif\n }\n \n-void monitor_init_qmp_commands(void)\n+static void monitor_init_qmp_commands(void)\n {\n     /*\n      * Two command lists:\n@@ -4043,6 +4043,14 @@ static void sortcmdlist(void)\n     qsort((void *)info_cmds, array_num, elem_size, compare_mon_cmd);\n }\n \n+void monitor_init_globals(void)\n+{\n+    monitor_init_qmp_commands();\n+    monitor_qapi_event_init();\n+    sortcmdlist();\n+    qemu_mutex_init(&monitor_lock);\n+}\n+\n /* These functions just adapt the readline interface in a typesafe way.  We\n  * could cast function pointers but that discards compiler checks.\n  */\n@@ -4083,23 +4091,10 @@ void error_vprintf_unless_qmp(const char *fmt, va_list ap)\n     }\n }\n \n-static void __attribute__((constructor)) monitor_lock_init(void)\n-{\n-    qemu_mutex_init(&monitor_lock);\n-}\n-\n void monitor_init(Chardev *chr, int flags)\n {\n-    static int is_first_init = 1;\n-    Monitor *mon;\n-\n-    if (is_first_init) {\n-        monitor_qapi_event_init();\n-        sortcmdlist();\n-        is_first_init = 0;\n-    }\n+    Monitor *mon = g_malloc(sizeof(*mon));\n \n-    mon = g_malloc(sizeof(*mon));\n     monitor_data_init(mon, false);\n \n     qemu_chr_fe_init(&mon->chr, chr, &error_abort);\ndiff --git a/vl.c b/vl.c\nindex fb1f05b..850cf55 100644\n--- a/vl.c\n+++ b/vl.c\n@@ -3049,7 +3049,6 @@ int main(int argc, char **argv, char **envp)\n     qemu_init_exec_dir(argv[0]);\n \n     module_call_init(MODULE_INIT_QOM);\n-    monitor_init_qmp_commands();\n \n     qemu_add_opts(&qemu_drive_opts);\n     qemu_add_drive_opts(&qemu_legacy_drive_opts);\n@@ -4587,6 +4586,8 @@ int main(int argc, char **argv, char **envp)\n \n     parse_numa_opts(current_machine);\n \n+    monitor_init_globals();\n+\n     if (qemu_opts_foreach(qemu_find_opts(\"mon\"),\n                           mon_init_func, NULL, NULL)) {\n         exit(1);\n","prefixes":["RFC","07/15"]}