| /** @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. |
| |
| **************************************************************************/ |
| |
| #pragma once |
| |
| #include "tscore/ink_thread.h" |
| |
| class EventNotify |
| { |
| public: |
| EventNotify(); |
| void signal(); |
| int wait(); |
| int timedwait(int timeout); // milliseconds |
| void lock(); |
| bool trylock(); |
| void unlock(); |
| ~EventNotify(); |
| |
| private: |
| #ifdef HAVE_EVENTFD |
| int m_event_fd; |
| int m_epoll_fd; |
| #else |
| ink_cond m_cond; |
| ink_mutex m_mutex; |
| #endif |
| }; |
| /* vim: set sw=4 ts=4 tw=79 et : */ |