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monitor: rename *_pop_one to *_pop_any

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The old names are confusing since both of the old functions are popping
an item from multiple queues rather than a single queue.  In that
sense, *_pop_any() suites better than *_pop_one().

Since at it, touch up the function monitor_qmp_response_pop_any() a bit
to let the callers pass in a QMPResponse struct instead of returning a
struct.  Change the return value to boolean to mark whether we have
popped a valid response instead.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180620073223.31964-3-peterx@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Peter Xu 2018-06-20 15:32:18 +08:00 committed by Markus Armbruster
parent d88610111b
commit 40687eb741
1 changed files with 9 additions and 11 deletions
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20
monitor.c
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@ -542,10 +542,10 @@ struct QMPResponse {
typedef struct QMPResponse QMPResponse;
/*
* Return one QMPResponse. The response is only valid if
* response.data is not NULL.
* Pop a QMPResponse from any monitor's response queue into @response.
* Return false if all the queues are empty; else true.
*/
static QMPResponse monitor_qmp_response_pop_one(void)
static bool monitor_qmp_response_pop_any(QMPResponse *response)
{
Monitor *mon;
QObject *data = NULL;
@ -556,22 +556,20 @@ static QMPResponse monitor_qmp_response_pop_one(void)
data = g_queue_pop_head(mon->qmp.qmp_responses);
qemu_mutex_unlock(&mon->qmp.qmp_queue_lock);
if (data) {
response->mon = mon;
response->data = data;
break;
}
}
qemu_mutex_unlock(&monitor_lock);
return (QMPResponse) { .mon = mon, .data = data };
return data != NULL;
}
static void monitor_qmp_bh_responder(void *opaque)
{
QMPResponse response;
while (true) {
response = monitor_qmp_response_pop_one();
if (!response.data) {
break;
}
while (monitor_qmp_response_pop_any(&response)) {
monitor_json_emitter_raw(response.mon, response.data);
qobject_unref(response.data);
}
@ -4199,7 +4197,7 @@ static void monitor_qmp_dispatch_one(QMPRequest *req_obj)
* when we process one request on a specific monitor, we put that
* monitor to the end of mon_list queue.
*/
static QMPRequest *monitor_qmp_requests_pop_one(void)
static QMPRequest *monitor_qmp_requests_pop_any(void)
{
QMPRequest *req_obj = NULL;
Monitor *mon;
@ -4231,7 +4229,7 @@ static QMPRequest *monitor_qmp_requests_pop_one(void)
static void monitor_qmp_bh_dispatcher(void *data)
{
QMPRequest *req_obj = monitor_qmp_requests_pop_one();
QMPRequest *req_obj = monitor_qmp_requests_pop_any();
if (req_obj) {
trace_monitor_qmp_cmd_in_band(qobject_get_try_str(req_obj->id) ?: "");