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/** @file
A brief file description
@section license License
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.
*/
/**************************************************************************
EventNotify.h
Generic event notify mechanism among threads.
**************************************************************************/
#ifndef EVENT_NOTIFY_H
#define EVENT_NOTIFY_H
#include "ts/ink_thread.h"
class EventNotify
{
public:
EventNotify();
void signal(void);
int wait(void);
int timedwait(int timeout); // milliseconds
void lock(void);
bool trylock(void);
void unlock(void);
~EventNotify();
private:
#ifdef HAVE_EVENTFD
int m_event_fd;
int m_epoll_fd;
#else
ink_cond m_cond;
ink_mutex m_mutex;
#endif
};
#endif /* EVENT_NOTIFY_H */
/* vim: set sw=4 ts=4 tw=79 et : */
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