ppc: Fix sign extension issue in mtmsr(d) emulation
[qemu.git] / qapi / qmp-event.c
1 /*
2 * QMP Event related
3 *
4 * Copyright (c) 2014 Wenchao Xia
5 *
6 * Authors:
7 * Wenchao Xia <wenchaoqemu@gmail.com>
8 *
9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10 * See the COPYING.LIB file in the top-level directory.
11 *
12 */
13
14 #include "qemu/osdep.h"
15
16 #include "qemu-common.h"
17 #include "qapi/qmp-event.h"
18 #include "qapi/qmp/qstring.h"
19 #include "qapi/qmp/qjson.h"
20
21 static QMPEventFuncEmit qmp_emit;
22
23 void qmp_event_set_func_emit(QMPEventFuncEmit emit)
24 {
25 qmp_emit = emit;
26 }
27
28 QMPEventFuncEmit qmp_event_get_func_emit(void)
29 {
30 return qmp_emit;
31 }
32
33 static void timestamp_put(QDict *qdict)
34 {
35 int err;
36 QObject *obj;
37 qemu_timeval tv;
38 int64_t sec, usec;
39
40 err = qemu_gettimeofday(&tv);
41 if (err < 0) {
42 /* Put -1 to indicate failure of getting host time */
43 sec = -1;
44 usec = -1;
45 } else {
46 sec = tv.tv_sec;
47 usec = tv.tv_usec;
48 }
49
50 obj = qobject_from_jsonf("{ 'seconds': %" PRId64 ", "
51 "'microseconds': %" PRId64 " }",
52 sec, usec);
53 qdict_put_obj(qdict, "timestamp", obj);
54 }
55
56 /*
57 * Build a QDict, then fill event name and time stamp, caller should free the
58 * QDict after usage.
59 */
60 QDict *qmp_event_build_dict(const char *event_name)
61 {
62 QDict *dict = qdict_new();
63 qdict_put(dict, "event", qstring_from_str(event_name));
64 timestamp_put(dict);
65 return dict;
66 }