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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_CONCURRENCY_FUNCTION_RUNNER_H
#define _THRIFT_CONCURRENCY_FUNCTION_RUNNER_H 1
#include <tr1/functional>
#include "thrift/lib/cpp/concurrency/Thread.h"
namespace apache { namespace thrift { namespace concurrency {
/**
* Convenient implementation of Runnable that will execute arbitrary callbacks.
* Interfaces are provided to accept both a generic 'void(void)' callback, and
* a 'void* (void*)' pthread_create-style callback.
*
* Example use:
* void* my_thread_main(void* arg);
* shared_ptr<ThreadFactory> factory = ...;
* shared_ptr<Thread> thread =
* factory->newThread(shared_ptr<FunctionRunner>(
* new FunctionRunner(my_thread_main, some_argument)));
* thread->start();
*
*
*/
class FunctionRunner : public Runnable {
public:
// This is the type of callback 'pthread_create()' expects.
typedef void* (*PthreadFuncPtr)(void *arg);
// This a fully-generic void(void) callback for custom bindings.
typedef std::tr1::function<void()> VoidFunc;
/**
* Given a 'pthread_create' style callback, this FunctionRunner will
* execute the given callback. Note that the 'void*' return value is ignored.
*/
FunctionRunner(PthreadFuncPtr func, void* arg)
: func_(std::tr1::bind(func, arg))
{ }
/**
* Given a generic callback, this FunctionRunner will execute it.
*/
FunctionRunner(const VoidFunc& cob)
: func_(cob)
{ }
void run() {
func_();
}
private:
VoidFunc func_;
};
}}} // apache::thrift::concurrency
#endif // #ifndef _THRIFT_CONCURRENCY_FUNCTION_RUNNER_H
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