qapi: Convert quit

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

hmp-commands.hx

@@ -43,7 +43,7 @@ ETEXI
         .params     = "",
         .help       = "quit the emulator",
         .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_quit,
+        .mhandler.cmd = hmp_quit,
     },
 
 STEXI

hmp.c

@@ -93,3 +93,9 @@ void hmp_info_chardev(Monitor *mon)
 
     qapi_free_ChardevInfoList(char_info);
 }
+
+void hmp_quit(Monitor *mon, const QDict *qdict)
+{
+    monitor_suspend(mon);
+    qmp_quit(NULL);
+}

hmp.h

@@ -23,5 +23,6 @@ void hmp_info_kvm(Monitor *mon);
 void hmp_info_status(Monitor *mon);
 void hmp_info_uuid(Monitor *mon);
 void hmp_info_chardev(Monitor *mon);
+void hmp_quit(Monitor *mon, const QDict *qdict);
 
 #endif

monitor.c

@@ -946,18 +946,6 @@ static void do_trace_print_events(Monitor *mon)
     trace_print_events((FILE *)mon, &monitor_fprintf);
 }
 
-/**
- * do_quit(): Quit QEMU execution
- */
-static int do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
-{
-    monitor_suspend(mon);
-    no_shutdown = 0;
-    qemu_system_shutdown_request();
-
-    return 0;
-}
-
 #ifdef CONFIG_VNC
 static int change_vnc_password(const char *password)
 {

qapi-schema.json

@@ -225,3 +225,14 @@
 ##
 { 'command': 'query-commands', 'returns': ['CommandInfo'] }
 
+##
+# @quit:
+#
+# This command will cause the QEMU process to exit gracefully.  While every
+# attempt is made to send the QMP response before terminating, this is not
+# guaranteed.  When using this interface, a premature EOF would not be
+# unexpected.
+#
+# Since: 0.14.0
+##
+{ 'command': 'quit' }

qmp-commands.hx

@@ -63,10 +63,7 @@ EQMP
     {
         .name       = "quit",
         .args_type  = "",
-        .params     = "",
-        .help       = "quit the emulator",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = do_quit,
+        .mhandler.cmd_new = qmp_marshal_input_quit,
     },
 
 SQMP

qmp.c

@@ -70,3 +70,9 @@ UuidInfo *qmp_query_uuid(Error **errp)
     return info;
 }
 
+void qmp_quit(Error **err)
+{
+    no_shutdown = 0;
+    qemu_system_shutdown_request();
+}
+