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//
// Copyright 2012 Josh Blum
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef INCLUDED_GNURADIO_THREAD_POOL_HPP
#define INCLUDED_GNURADIO_THREAD_POOL_HPP
#include <gnuradio/gras.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
#include <string>
//! ThreadPool is an unexposed Theron Framework
//! Forward declare the Framwork for c++ users
namespace Theron
{
class Framework;
}
namespace gnuradio
{
struct GRAS_API ThreadPoolConfig
{
ThreadPoolConfig(void);
/*!
* The initial number of worker threads to create within the framework.
* Default is the number of CPUs on the system.
*/
size_t thread_count;
/*!
* Specifies the NUMA processor nodes upon which the framework may execute.
* Default is all NUMA nodes on the system.
*/
size_t node_mask;
/*!
* Specifies the subset of the processors in each NUMA processor node upon which the framework may execute.
* Default is all CPUs per NUMA node.
*/
size_t processor_mask;
/*!
* Yield strategy employed by the worker threads in the framework.
* POLITE, ///< Threads go to sleep when not in use.
* STRONG, ///< Threads yield to other threads but don't go to sleep.
* AGGRESSIVE ///< Threads never yield to other threads.
* Default is STRONG.
*/
std::string yield_strategy;
};
/*!
* Thread Pool is is a this wrapper of Theron Framework, see link for more details:
* http://docs.theron-library.com/5.00/structTheron_1_1Framework_1_1Parameters.html
*/
struct GRAS_API ThreadPool : boost::shared_ptr<Theron::Framework>
{
//! Create an empty thread pool
ThreadPool(void);
//! Create a thread pool from a weak pointer to a framework
ThreadPool(boost::weak_ptr<Theron::Framework> p);
//! Create a new thread pool with parameters
ThreadPool(const ThreadPoolConfig &config);
/*!
* When a block is created, it will execute in the active pool.
* Use this call before creating a block to control which
* thread pool that the block's work routine will run in.
*/
void set_active(void);
};
} //namespace gnuradio
#endif /*INCLUDED_GNURADIO_THREAD_POOL_HPP*/
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