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thread.h
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/* -*- c++ -*- */
/*
* Copyright 2009-2014 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_THREAD_H
#define INCLUDED_THREAD_H
#include <gnuradio/api.h>
#include <boost/thread/barrier.hpp>
#include <boost/thread/condition_variable.hpp>
#include <boost/thread/locks.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/thread.hpp>
#include <memory>
#include <vector>
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#endif
namespace gr {
namespace thread {
typedef boost::thread thread;
typedef boost::mutex mutex;
typedef boost::unique_lock<boost::mutex> scoped_lock;
typedef boost::condition_variable condition_variable;
typedef boost::barrier barrier;
typedef std::shared_ptr<barrier> barrier_sptr;
/*! \brief a system-dependent typedef for the underlying thread type.
*/
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
typedef HANDLE gr_thread_t;
#elif defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
typedef pthread_t gr_thread_t;
#else
typedef pthread_t gr_thread_t;
#endif
/*! \brief Get the current thread's ID as a gr_thread_t
*
* We use this when setting the thread affinity or any other
* low-level thread settings. Can be called within a GNU Radio
* block to get a reference to its current thread ID.
*/
GR_RUNTIME_API gr_thread_t get_current_thread_id();
/*! \brief Bind the current thread to a set of cores.
*
* Wrapper for system-dependent calls to set the affinity of the
* current thread to the processor mask. The mask is simply a
* 1-demensional vector containing the processor or core number
* from 0 to N-1 for N cores.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_bind_to_processor(const std::vector<int>& mask);
/*! \brief Convineince function to bind the current thread to a single core.
*
* Wrapper for system-dependent calls to set the affinity of the
* current thread to a given core from 0 to N-1 for N cores.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_bind_to_processor(int n);
/*! \brief Bind a thread to a set of cores.
*
* Wrapper for system-dependent calls to set the affinity of the
* given thread ID to the processor mask. The mask is simply a
* 1-demensional vector containing the processor or core number
* from 0 to N-1 for N cores.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_bind_to_processor(gr_thread_t thread,
const std::vector<int>& mask);
/*! \brief Convineince function to bind the a thread to a single core.
*
* Wrapper for system-dependent calls to set the affinity of the
* given thread ID to a given core from 0 to N-1 for N cores.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_bind_to_processor(gr_thread_t thread, unsigned int n);
/*! \brief Remove any thread-processor affinity for the current thread.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_unbind();
/*! \brief Remove any thread-processor affinity for a given thread ID.
*
* Note: this does not work on OSX; it is a nop call since OSX
* does not support the concept of thread affinity (and what they
* do support in this way since 10.5 is not what we want or can
* use in this fashion).
*/
GR_RUNTIME_API void thread_unbind(gr_thread_t thread);
/*! \brief get current thread priority for a given thread ID
*/
GR_RUNTIME_API int thread_priority(gr_thread_t thread);
/*! \brief set current thread priority for a given thread ID
*/
GR_RUNTIME_API int set_thread_priority(gr_thread_t thread, int priority);
GR_RUNTIME_API void set_thread_name(gr_thread_t thread, std::string name);
} /* namespace thread */
} /* namespace gr */
#endif /* INCLUDED_THREAD_H */
api.h
GR_RUNTIME_API
#define GR_RUNTIME_API
Definition gnuradio-runtime/include/gnuradio/api.h:18
gr::thread::barrier
boost::barrier barrier
Definition thread.h:40
gr::thread::mutex
boost::mutex mutex
Definition thread.h:37
gr::thread::scoped_lock
boost::unique_lock< boost::mutex > scoped_lock
Definition thread.h:38
gr::thread::set_thread_name
GR_RUNTIME_API void set_thread_name(gr_thread_t thread, std::string name)
gr::thread::thread_priority
GR_RUNTIME_API int thread_priority(gr_thread_t thread)
get current thread priority for a given thread ID
gr::thread::set_thread_priority
GR_RUNTIME_API int set_thread_priority(gr_thread_t thread, int priority)
set current thread priority for a given thread ID
gr::thread::thread_unbind
GR_RUNTIME_API void thread_unbind()
Remove any thread-processor affinity for the current thread.
gr::thread::thread
boost::thread thread
Definition thread.h:36
gr::thread::gr_thread_t
pthread_t gr_thread_t
a system-dependent typedef for the underlying thread type.
Definition thread.h:50
gr::thread::thread_bind_to_processor
GR_RUNTIME_API void thread_bind_to_processor(const std::vector< int > &mask)
Bind the current thread to a set of cores.
gr::thread::condition_variable
boost::condition_variable condition_variable
Definition thread.h:39
gr::thread::get_current_thread_id
GR_RUNTIME_API gr_thread_t get_current_thread_id()
Get the current thread's ID as a gr_thread_t.
gr
GNU Radio logging wrapper.
Definition basic_block.h:29