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Diffstat (limited to 'cpp/src/qpid/sys/posix/EventChannelThreads.h')
| -rw-r--r-- | cpp/src/qpid/sys/posix/EventChannelThreads.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/cpp/src/qpid/sys/posix/EventChannelThreads.h b/cpp/src/qpid/sys/posix/EventChannelThreads.h deleted file mode 100644 index 19112cf4db..0000000000 --- a/cpp/src/qpid/sys/posix/EventChannelThreads.h +++ /dev/null @@ -1,105 +0,0 @@ -#ifndef _posix_EventChannelThreads_h -#define _sys_EventChannelThreads_h - -/* - * - * Copyright (c) 2006 The Apache Software Foundation - * - * Licensed 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. - * - */ -#include "EventChannel.h" - -#include "qpid/Exception.h" -#include "qpid/sys/AtomicCount.h" -#include "qpid/sys/Monitor.h" -#include "qpid/sys/Thread.h" -#include "qpid/sys/Time.h" -#include "qpid/sys/Runnable.h" - -#include <vector> - -namespace qpid { -namespace sys { - -/** - Dynamic thread pool serving an EventChannel. - - Threads run a loop { e = wait(); e->dispatch(); } - The size of the thread pool is automatically adjusted to optimal size. -*/ -class EventChannelThreads : - public qpid::SharedObject<EventChannelThreads>, - private sys::Runnable -{ - public: - /** Constant to represent an unlimited number of threads */ - static const size_t unlimited; - - /** - * Create the thread pool and start initial threads. - * @param minThreads Pool will initialy contain minThreads threads and - * will never shrink to less until shutdown. - * @param maxThreads Pool will never grow to more than maxThreads. - */ - static EventChannelThreads::shared_ptr create( - EventChannel::shared_ptr channel = EventChannel::create(), - size_t minThreads = 1, - size_t maxThreads = unlimited - ); - - ~EventChannelThreads(); - - /** Post event to the underlying channel */ - void post(Event& event) { channel->post(event); } - - /** - * Terminate all threads. - * - * Returns immediately, use join() to wait till all threads are - * shut down. - */ - void shutdown(); - - /** Wait for all threads to terminate. */ - void join(); - - private: - typedef std::vector<sys::Thread> Threads; - typedef enum { - RUNNING, TERMINATING, JOINING, SHUTDOWN - } State; - - EventChannelThreads( - EventChannel::shared_ptr channel, size_t min, size_t max); - - void addThread(); - - void run(); - bool keepRunning(); - void adjustThreads(); - - Monitor monitor; - size_t minThreads; - size_t maxThreads; - EventChannel::shared_ptr channel; - Threads workers; - sys::AtomicCount nWaiting; - State state; -}; - - -}} - - -#endif /*!_sys_EventChannelThreads_h*/ |
