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rocksdb/thrift/lib/cpp/async/TEventUtil.h

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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef THRIFT_ASYNC_TEVENTUTIL_H_
#define THRIFT_ASYNC_TEVENTUTIL_H_ 1
#include <event.h> // libevent
namespace apache { namespace thrift { namespace async {
/**
* low-level libevent utility functions
*/
class TEventUtil {
public:
static bool isEventRegistered(const struct event* ev) {
// If any of these flags are set, the event is registered.
enum {
EVLIST_REGISTERED = (EVLIST_INSERTED | EVLIST_ACTIVE |
EVLIST_TIMEOUT | EVLIST_SIGNAL)
};
return (ev->ev_flags & EVLIST_REGISTERED);
}
};
}}} // apache::thrift::async
#endif // THRIFT_ASYNC_TEVENTUTIL_H_