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#ifndef BOOST_THREAD_THREAD_PTHREAD_HPP
#define BOOST_THREAD_THREAD_PTHREAD_HPP
// Copyright (C) 2001-2003
// William E. Kempf
// Copyright (C) 2007 Anthony Williams
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/thread/detail/config.hpp>
#include <boost/utility.hpp>
#include <boost/function.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition_variable.hpp>
#include <list>
#include <memory>
#include <pthread.h>
#include <boost/optional.hpp>
#include <boost/thread/detail/move.hpp>
#include <boost/shared_ptr.hpp>
#include "thread_data.hpp"
#include <stdlib.h>
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable:4251)
#endif
namespace boost
{
class thread;
namespace detail
{
class thread_id;
}
namespace this_thread
{
BOOST_THREAD_DECL detail::thread_id get_id();
}
namespace detail
{
class thread_id
{
private:
detail::thread_data_ptr thread_data;
thread_id(detail::thread_data_ptr thread_data_):
thread_data(thread_data_)
{}
friend class boost::thread;
friend thread_id this_thread::get_id();
public:
thread_id():
thread_data()
{}
bool operator==(const thread_id& y) const
{
return thread_data==y.thread_data;
}
bool operator!=(const thread_id& y) const
{
return thread_data!=y.thread_data;
}
bool operator<(const thread_id& y) const
{
return thread_data<y.thread_data;
}
bool operator>(const thread_id& y) const
{
return y.thread_data<thread_data;
}
bool operator<=(const thread_id& y) const
{
return !(y.thread_data<thread_data);
}
bool operator>=(const thread_id& y) const
{
return !(thread_data<y.thread_data);
}
template<class charT, class traits>
friend std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>& os, const thread_id& x)
{
if(x.thread_data)
{
return os<<x.thread_data;
}
else
{
return os<<"{Not-any-thread}";
}
}
};
}
struct xtime;
class BOOST_THREAD_DECL thread
{
private:
thread(thread&);
thread& operator=(thread&);
template<typename F>
struct thread_data:
detail::thread_data_base
{
F f;
thread_data(F f_):
f(f_)
{}
thread_data(detail::thread_move_t<F> f_):
f(f_)
{}
void run()
{
f();
}
};
mutable boost::mutex thread_info_mutex;
detail::thread_data_ptr thread_info;
explicit thread(detail::thread_data_ptr data);
detail::thread_data_ptr get_thread_info() const;
protected:
template <class F>
void set_thread_main_function(F f)
{
thread_info = detail::thread_data_ptr(new thread_data<F>(f));
}
void start_thread(unsigned int stack_size);
public:
thread();
virtual ~thread();
template <class F>
explicit thread(F f, unsigned int stack_size = 0):
thread_info(new thread_data<F>(f))
{
start_thread(stack_size);
}
template <class F>
thread(detail::thread_move_t<F> f, unsigned int stack_size = 0):
thread_info(new thread_data<F>(f))
{
start_thread(stack_size);
}
thread(detail::thread_move_t<thread> x);
thread& operator=(detail::thread_move_t<thread> x);
operator detail::thread_move_t<thread>();
detail::thread_move_t<thread> move();
void swap(thread& x);
typedef detail::thread_id id;
pthread_t native_handle() const;
id get_id() const;
bool joinable() const;
void join();
bool timed_join(const system_time& wait_until);
template<typename TimeDuration>
inline bool timed_join(TimeDuration const& rel_time)
{
return timed_join(get_system_time()+rel_time);
}
void detach();
static unsigned hardware_concurrency();
// backwards compatibility
bool operator==(const thread& other) const;
bool operator!=(const thread& other) const;
static void sleep(const system_time& xt);
static void yield();
// extensions
void interrupt();
bool interruption_requested() const;
};
inline detail::thread_move_t<thread> move(thread& x)
{
return x.move();
}
inline detail::thread_move_t<thread> move(detail::thread_move_t<thread> x)
{
return x;
}
template<typename F>
struct thread::thread_data<boost::reference_wrapper<F> >:
detail::thread_data_base
{
F& f;
thread_data(boost::reference_wrapper<F> f_):
f(f_)
{}
void run()
{
f();
}
};
namespace this_thread
{
class BOOST_THREAD_DECL disable_interruption
{
disable_interruption(const disable_interruption&);
disable_interruption& operator=(const disable_interruption&);
bool interruption_was_enabled;
friend class restore_interruption;
public:
disable_interruption();
~disable_interruption();
};
class BOOST_THREAD_DECL restore_interruption
{
restore_interruption(const restore_interruption&);
restore_interruption& operator=(const restore_interruption&);
public:
explicit restore_interruption(disable_interruption& d);
~restore_interruption();
};
BOOST_THREAD_DECL thread::id get_id();
BOOST_THREAD_DECL void interruption_point();
BOOST_THREAD_DECL bool interruption_enabled();
BOOST_THREAD_DECL bool interruption_requested();
inline void yield()
{
thread::yield();
}
template<typename TimeDuration>
inline void sleep(TimeDuration const& rel_time)
{
thread::sleep(get_system_time()+rel_time);
}
}
namespace detail
{
struct thread_exit_function_base
{
virtual ~thread_exit_function_base()
{}
virtual void operator()() const=0;
};
template<typename F>
struct thread_exit_function:
thread_exit_function_base
{
F f;
thread_exit_function(F f_):
f(f_)
{}
void operator()() const
{
f();
}
};
BOOST_THREAD_DECL void add_thread_exit_function(thread_exit_function_base*);
}
namespace this_thread
{
template<typename F>
inline void at_thread_exit(F f)
{
detail::thread_exit_function_base* const thread_exit_func=new detail::thread_exit_function<F>(f);
detail::add_thread_exit_function(thread_exit_func);
}
}
class BOOST_THREAD_DECL thread_group
{
public:
thread_group();
~thread_group();
thread* create_thread(const function0<void>& threadfunc);
void add_thread(thread* thrd);
void remove_thread(thread* thrd);
void join_all();
void interrupt_all();
size_t size() const;
private:
thread_group(thread_group&);
void operator=(thread_group&);
std::list<thread*> m_threads;
mutex m_mutex;
};
} // namespace boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif
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