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input.c: Process only safe events before blocking.

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Introduce multiqueue_process_priority() to process only events at or
above a certain priority.
This commit is contained in:
Justin M. Keyes
2017-03-14 00:44:03 +01:00
parent 3ea1007753
commit acfd2a2a29
7 changed files with 84 additions and 79 deletions
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32
src/nvim/msgpack_rpc/channel.c
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@@ -435,24 +435,26 @@ static void handle_request(Channel *channel, msgpack_object *request)
handler.async = true;
}
if (handler.async) {
char buf[256] = { 0 };
memcpy(buf, method->via.bin.ptr, MIN(255, method->via.bin.size));
if (strcmp("nvim_get_mode", buf) == 0) {
handler.async = input_blocking();
}
}
RequestEvent *event_data = xmalloc(sizeof(RequestEvent));
event_data->channel = channel;
event_data->handler = handler;
event_data->args = args;
event_data->request_id = request_id;
RequestEvent *evdata = xmalloc(sizeof(RequestEvent));
evdata->channel = channel;
evdata->handler = handler;
evdata->args = args;
evdata->request_id = request_id;
incref(channel);
if (handler.async) {
on_request_event((void **)&event_data);
bool is_get_mode = sizeof("nvim_get_mode") - 1 == method->via.bin.size
&& !strncmp("nvim_get_mode", method->via.bin.ptr, method->via.bin.size);
if (is_get_mode && !input_blocking()) {
// Schedule on the main loop with special priority. #6247
Event ev = event_create(kEvPriorityAsync, on_request_event, 1, evdata);
multiqueue_put_event(channel->events, ev);
} else {
// Invoke immediately.
on_request_event((void **)&evdata);
}
} else {
multiqueue_put(channel->events, on_request_event, 1, event_data);
multiqueue_put(channel->events, on_request_event, 1, evdata);
}
}