874 lines
27 KiB
Plaintext
874 lines
27 KiB
Plaintext
#ifndef BOOST_THREAD_THREAD_COMMON_HPP
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#define BOOST_THREAD_THREAD_COMMON_HPP
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// (C) Copyright 2007-2010 Anthony Williams
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// (C) Copyright 2011-2012 Vicente J. Botet Escriba
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#include <boost/thread/detail/config.hpp>
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#include <boost/predef/platform.h>
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#include <boost/thread/exceptions.hpp>
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#ifndef BOOST_NO_IOSTREAM
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#include <ostream>
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#endif
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#include <boost/thread/detail/move.hpp>
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#include <boost/thread/mutex.hpp>
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#if defined BOOST_THREAD_USES_DATETIME
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#include <boost/thread/xtime.hpp>
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#endif
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#include <boost/thread/detail/thread_heap_alloc.hpp>
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#include <boost/thread/detail/make_tuple_indices.hpp>
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#include <boost/thread/detail/invoke.hpp>
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#include <boost/thread/detail/is_convertible.hpp>
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#include <boost/assert.hpp>
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#include <list>
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#include <algorithm>
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#include <boost/core/ref.hpp>
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#include <boost/cstdint.hpp>
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#include <boost/bind.hpp>
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#include <stdlib.h>
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#include <memory>
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#include <boost/core/enable_if.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/io/ios_state.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/decay.hpp>
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#include <boost/functional/hash.hpp>
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#ifdef BOOST_THREAD_USES_CHRONO
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#include <boost/chrono/system_clocks.hpp>
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#include <boost/chrono/ceil.hpp>
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#endif
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#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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#include <tuple>
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#endif
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#include <boost/config/abi_prefix.hpp>
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#ifdef BOOST_MSVC
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#pragma warning(push)
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#pragma warning(disable:4251)
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#endif
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namespace boost
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{
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namespace detail
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{
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#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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template<typename F, class ...ArgTypes>
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class thread_data:
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public detail::thread_data_base
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{
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public:
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BOOST_THREAD_NO_COPYABLE(thread_data)
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thread_data(BOOST_THREAD_RV_REF(F) f_, BOOST_THREAD_RV_REF(ArgTypes)... args_):
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fp(boost::forward<F>(f_), boost::forward<ArgTypes>(args_)...)
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{}
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template <std::size_t ...Indices>
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void run2(tuple_indices<Indices...>)
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{
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detail::invoke(std::move(std::get<0>(fp)), std::move(std::get<Indices>(fp))...);
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}
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void run()
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{
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typedef typename make_tuple_indices<std::tuple_size<std::tuple<F, ArgTypes...> >::value, 1>::type index_type;
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run2(index_type());
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}
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private:
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std::tuple<typename decay<F>::type, typename decay<ArgTypes>::type...> fp;
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};
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#else // defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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template<typename F>
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class thread_data:
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public detail::thread_data_base
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{
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public:
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BOOST_THREAD_NO_COPYABLE(thread_data)
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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thread_data(BOOST_THREAD_RV_REF(F) f_):
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f(boost::forward<F>(f_))
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{}
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// This overloading must be removed if we want the packaged_task's tests to pass.
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// thread_data(F& f_):
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// f(f_)
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// {}
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#else
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thread_data(BOOST_THREAD_RV_REF(F) f_):
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f(f_)
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{}
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thread_data(F f_):
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f(f_)
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{}
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#endif
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//thread_data() {}
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void run()
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{
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f();
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}
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private:
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F f;
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};
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template<typename F>
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class thread_data<boost::reference_wrapper<F> >:
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public detail::thread_data_base
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{
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private:
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F& f;
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public:
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BOOST_THREAD_NO_COPYABLE(thread_data)
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thread_data(boost::reference_wrapper<F> f_):
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f(f_)
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{}
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void run()
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{
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f();
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}
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};
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template<typename F>
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class thread_data<const boost::reference_wrapper<F> >:
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public detail::thread_data_base
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{
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private:
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F& f;
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public:
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BOOST_THREAD_NO_COPYABLE(thread_data)
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thread_data(const boost::reference_wrapper<F> f_):
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f(f_)
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{}
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void run()
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{
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f();
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}
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};
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#endif
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}
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class BOOST_THREAD_DECL thread
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{
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public:
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typedef thread_attributes attributes;
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BOOST_THREAD_MOVABLE_ONLY(thread)
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private:
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struct dummy;
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void release_handle();
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detail::thread_data_ptr thread_info;
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private:
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bool start_thread_noexcept();
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bool start_thread_noexcept(const attributes& attr);
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void start_thread()
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{
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if (!start_thread_noexcept())
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{
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boost::throw_exception(thread_resource_error());
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}
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}
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void start_thread(const attributes& attr)
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{
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if (!start_thread_noexcept(attr))
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{
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boost::throw_exception(thread_resource_error());
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}
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}
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explicit thread(detail::thread_data_ptr data);
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detail::thread_data_ptr get_thread_info BOOST_PREVENT_MACRO_SUBSTITUTION () const;
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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template<typename F, class ...ArgTypes>
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static inline detail::thread_data_ptr make_thread_info(BOOST_THREAD_RV_REF(F) f, BOOST_THREAD_RV_REF(ArgTypes)... args)
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{
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return detail::thread_data_ptr(detail::heap_new<
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detail::thread_data<typename boost::remove_reference<F>::type, ArgTypes...>
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>(
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boost::forward<F>(f), boost::forward<ArgTypes>(args)...
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)
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);
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}
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#else
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template<typename F>
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static inline detail::thread_data_ptr make_thread_info(BOOST_THREAD_RV_REF(F) f)
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{
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return detail::thread_data_ptr(detail::heap_new<detail::thread_data<typename boost::remove_reference<F>::type> >(
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boost::forward<F>(f)));
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}
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#endif
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static inline detail::thread_data_ptr make_thread_info(void (*f)())
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{
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return detail::thread_data_ptr(detail::heap_new<detail::thread_data<void(*)()> >(
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boost::forward<void(*)()>(f)));
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}
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#else
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template<typename F>
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static inline detail::thread_data_ptr make_thread_info(F f
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, typename disable_if_c<
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//boost::thread_detail::is_convertible<F&,BOOST_THREAD_RV_REF(F)>::value ||
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is_same<typename decay<F>::type, thread>::value,
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dummy* >::type=0
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)
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{
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return detail::thread_data_ptr(detail::heap_new<detail::thread_data<F> >(f));
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}
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template<typename F>
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static inline detail::thread_data_ptr make_thread_info(BOOST_THREAD_RV_REF(F) f)
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{
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return detail::thread_data_ptr(detail::heap_new<detail::thread_data<F> >(f));
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}
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#endif
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public:
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#if 0 // This should not be needed anymore. Use instead BOOST_THREAD_MAKE_RV_REF.
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#if BOOST_WORKAROUND(__SUNPRO_CC, < 0x5100)
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thread(const volatile thread&);
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#endif
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#endif
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thread() BOOST_NOEXCEPT;
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~thread()
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{
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#if defined BOOST_THREAD_PROVIDES_THREAD_DESTRUCTOR_CALLS_TERMINATE_IF_JOINABLE
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if (joinable()) {
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std::terminate();
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}
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#else
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detach();
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#endif
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}
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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template <
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class F
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>
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explicit thread(BOOST_THREAD_RV_REF(F) f
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//, typename disable_if<is_same<typename decay<F>::type, thread>, dummy* >::type=0
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):
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thread_info(make_thread_info(thread_detail::decay_copy(boost::forward<F>(f))))
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{
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start_thread();
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}
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template <
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class F
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>
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thread(attributes const& attrs, BOOST_THREAD_RV_REF(F) f):
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thread_info(make_thread_info(thread_detail::decay_copy(boost::forward<F>(f))))
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{
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start_thread(attrs);
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}
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#else
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#ifdef BOOST_NO_SFINAE
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template <class F>
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explicit thread(F f):
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thread_info(make_thread_info(f))
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{
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start_thread();
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}
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template <class F>
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thread(attributes const& attrs, F f):
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thread_info(make_thread_info(f))
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{
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start_thread(attrs);
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}
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#else
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template <class F>
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explicit thread(F f
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, typename disable_if_c<
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boost::thread_detail::is_rv<F>::value // todo ass a thread_detail::is_rv
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//boost::thread_detail::is_convertible<F&,BOOST_THREAD_RV_REF(F)>::value
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//|| is_same<typename decay<F>::type, thread>::value
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, dummy* >::type=0
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):
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thread_info(make_thread_info(f))
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{
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start_thread();
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}
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template <class F>
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thread(attributes const& attrs, F f
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, typename disable_if<boost::thread_detail::is_rv<F>, dummy* >::type=0
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//, typename disable_if<boost::thread_detail::is_convertible<F&,BOOST_THREAD_RV_REF(F) >, dummy* >::type=0
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):
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thread_info(make_thread_info(f))
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{
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start_thread(attrs);
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}
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#endif
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template <class F>
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explicit thread(BOOST_THREAD_RV_REF(F) f
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, typename disable_if<is_same<typename decay<F>::type, thread>, dummy* >::type=0
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):
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#ifdef BOOST_THREAD_USES_MOVE
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thread_info(make_thread_info(boost::move<F>(f))) // todo : Add forward
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#else
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thread_info(make_thread_info(f)) // todo : Add forward
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#endif
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{
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start_thread();
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}
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template <class F>
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thread(attributes const& attrs, BOOST_THREAD_RV_REF(F) f):
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#ifdef BOOST_THREAD_USES_MOVE
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thread_info(make_thread_info(boost::move<F>(f))) // todo : Add forward
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#else
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thread_info(make_thread_info(f)) // todo : Add forward
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#endif
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{
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start_thread(attrs);
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}
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#endif
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thread(BOOST_THREAD_RV_REF(thread) x) BOOST_NOEXCEPT
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{
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thread_info=BOOST_THREAD_RV(x).thread_info;
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BOOST_THREAD_RV(x).thread_info.reset();
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}
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#if 0 // This should not be needed anymore. Use instead BOOST_THREAD_MAKE_RV_REF.
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#if BOOST_WORKAROUND(__SUNPRO_CC, < 0x5100)
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thread& operator=(thread x)
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{
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swap(x);
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return *this;
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}
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#endif
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#endif
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thread& operator=(BOOST_THREAD_RV_REF(thread) other) BOOST_NOEXCEPT
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{
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#if defined BOOST_THREAD_PROVIDES_THREAD_MOVE_ASSIGN_CALLS_TERMINATE_IF_JOINABLE
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if (joinable()) std::terminate();
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#else
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detach();
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#endif
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thread_info=BOOST_THREAD_RV(other).thread_info;
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BOOST_THREAD_RV(other).thread_info.reset();
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return *this;
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}
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#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
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template <class F, class Arg, class ...Args>
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thread(F&& f, Arg&& arg, Args&&... args) :
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thread_info(make_thread_info(
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thread_detail::decay_copy(boost::forward<F>(f)),
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thread_detail::decay_copy(boost::forward<Arg>(arg)),
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thread_detail::decay_copy(boost::forward<Args>(args))...)
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)
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{
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start_thread();
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}
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template <class F, class Arg, class ...Args>
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thread(attributes const& attrs, F&& f, Arg&& arg, Args&&... args) :
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thread_info(make_thread_info(
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thread_detail::decay_copy(boost::forward<F>(f)),
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thread_detail::decay_copy(boost::forward<Arg>(arg)),
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thread_detail::decay_copy(boost::forward<Args>(args))...)
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)
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{
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start_thread(attrs);
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}
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#else
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template <class F,class A1>
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thread(F f,A1 a1,typename disable_if<boost::thread_detail::is_convertible<F&,thread_attributes >, dummy* >::type=0):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1)))
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{
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start_thread();
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}
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template <class F,class A1,class A2>
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thread(F f,A1 a1,A2 a2):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3>
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thread(F f,A1 a1,A2 a2,A3 a3):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4,class A5>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4,A5 a5):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4,a5)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4,class A5,class A6>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4,a5,a6)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4,class A5,class A6,class A7>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4,a5,a6,a7)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4,class A5,class A6,class A7,class A8>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7,A8 a8):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4,a5,a6,a7,a8)))
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{
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start_thread();
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}
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template <class F,class A1,class A2,class A3,class A4,class A5,class A6,class A7,class A8,class A9>
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thread(F f,A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7,A8 a8,A9 a9):
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thread_info(make_thread_info(boost::bind(boost::type<void>(),f,a1,a2,a3,a4,a5,a6,a7,a8,a9)))
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{
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start_thread();
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}
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#endif
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void swap(thread& x) BOOST_NOEXCEPT
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{
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thread_info.swap(x.thread_info);
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}
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class id;
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#ifdef BOOST_THREAD_PLATFORM_PTHREAD
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inline id get_id() const BOOST_NOEXCEPT;
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#else
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id get_id() const BOOST_NOEXCEPT;
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#endif
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bool joinable() const BOOST_NOEXCEPT;
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private:
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bool join_noexcept();
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public:
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inline void join();
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#ifdef BOOST_THREAD_USES_CHRONO
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#if defined(BOOST_THREAD_PLATFORM_WIN32)
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template <class Rep, class Period>
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bool try_join_for(const chrono::duration<Rep, Period>& rel_time)
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{
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chrono::milliseconds rel_time2= chrono::ceil<chrono::milliseconds>(rel_time);
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return do_try_join_until(rel_time2.count());
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}
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#else
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template <class Rep, class Period>
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bool try_join_for(const chrono::duration<Rep, Period>& rel_time)
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{
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return try_join_until(chrono::steady_clock::now() + rel_time);
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}
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#endif
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template <class Clock, class Duration>
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bool try_join_until(const chrono::time_point<Clock, Duration>& t)
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{
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using namespace chrono;
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bool joined= false;
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do {
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system_clock::time_point s_now = system_clock::now();
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typename Clock::duration d = ceil<nanoseconds>(t-Clock::now());
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if (d <= Clock::duration::zero()) return false; // in case the Clock::time_point t is already reached
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joined = try_join_until(s_now + d);
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} while (! joined);
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return true;
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}
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template <class Duration>
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bool try_join_until(const chrono::time_point<chrono::system_clock, Duration>& t)
|
|
{
|
|
using namespace chrono;
|
|
typedef time_point<system_clock, nanoseconds> nano_sys_tmpt;
|
|
return try_join_until(nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
|
|
}
|
|
#endif
|
|
#if defined(BOOST_THREAD_PLATFORM_WIN32)
|
|
private:
|
|
bool do_try_join_until_noexcept(uintmax_t milli, bool& res);
|
|
inline bool do_try_join_until(uintmax_t milli);
|
|
public:
|
|
bool timed_join(const system_time& abs_time);
|
|
//{
|
|
// return do_try_join_until(get_milliseconds_until(wait_until));
|
|
//}
|
|
|
|
#ifdef BOOST_THREAD_USES_CHRONO
|
|
bool try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
|
|
{
|
|
chrono::milliseconds rel_time= chrono::ceil<chrono::milliseconds>(tp-chrono::system_clock::now());
|
|
return do_try_join_until(rel_time.count());
|
|
}
|
|
#endif
|
|
|
|
|
|
#else
|
|
private:
|
|
bool do_try_join_until_noexcept(struct timespec const &timeout, bool& res);
|
|
inline bool do_try_join_until(struct timespec const &timeout);
|
|
public:
|
|
#if defined BOOST_THREAD_USES_DATETIME
|
|
bool timed_join(const system_time& abs_time)
|
|
{
|
|
struct timespec const ts=detail::to_timespec(abs_time);
|
|
return do_try_join_until(ts);
|
|
}
|
|
#endif
|
|
#ifdef BOOST_THREAD_USES_CHRONO
|
|
bool try_join_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
|
|
{
|
|
using namespace chrono;
|
|
nanoseconds d = tp.time_since_epoch();
|
|
timespec ts = boost::detail::to_timespec(d);
|
|
return do_try_join_until(ts);
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
public:
|
|
|
|
#if defined BOOST_THREAD_USES_DATETIME
|
|
template<typename TimeDuration>
|
|
inline bool timed_join(TimeDuration const& rel_time)
|
|
{
|
|
return timed_join(get_system_time()+rel_time);
|
|
}
|
|
#endif
|
|
void detach();
|
|
|
|
static unsigned hardware_concurrency() BOOST_NOEXCEPT;
|
|
static unsigned physical_concurrency() BOOST_NOEXCEPT;
|
|
|
|
#define BOOST_THREAD_DEFINES_THREAD_NATIVE_HANDLE
|
|
typedef detail::thread_data_base::native_handle_type native_handle_type;
|
|
native_handle_type native_handle();
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_THREAD_EQ
|
|
// Use thread::id when comparisions are needed
|
|
// backwards compatibility
|
|
bool operator==(const thread& other) const;
|
|
bool operator!=(const thread& other) const;
|
|
#endif
|
|
#if defined BOOST_THREAD_USES_DATETIME
|
|
static inline void yield() BOOST_NOEXCEPT
|
|
{
|
|
this_thread::yield();
|
|
}
|
|
|
|
static inline void sleep(const system_time& xt)
|
|
{
|
|
this_thread::sleep(xt);
|
|
}
|
|
#endif
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
|
// extensions
|
|
void interrupt();
|
|
bool interruption_requested() const BOOST_NOEXCEPT;
|
|
#endif
|
|
};
|
|
|
|
inline void swap(thread& lhs,thread& rhs) BOOST_NOEXCEPT
|
|
{
|
|
return lhs.swap(rhs);
|
|
}
|
|
|
|
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
|
inline thread&& move(thread& t) BOOST_NOEXCEPT
|
|
{
|
|
return static_cast<thread&&>(t);
|
|
}
|
|
#endif
|
|
|
|
BOOST_THREAD_DCL_MOVABLE(thread)
|
|
|
|
namespace this_thread
|
|
{
|
|
#ifdef BOOST_THREAD_PLATFORM_PTHREAD
|
|
inline thread::id get_id() BOOST_NOEXCEPT;
|
|
#else
|
|
thread::id BOOST_THREAD_DECL get_id() BOOST_NOEXCEPT;
|
|
#endif
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
|
void BOOST_THREAD_DECL interruption_point();
|
|
bool BOOST_THREAD_DECL interruption_enabled() BOOST_NOEXCEPT;
|
|
bool BOOST_THREAD_DECL interruption_requested() BOOST_NOEXCEPT;
|
|
#endif
|
|
|
|
#if defined BOOST_THREAD_USES_DATETIME
|
|
inline BOOST_SYMBOL_VISIBLE void sleep(xtime const& abs_time)
|
|
{
|
|
sleep(system_time(abs_time));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
class BOOST_SYMBOL_VISIBLE thread::id
|
|
{
|
|
private:
|
|
friend inline
|
|
std::size_t
|
|
hash_value(const thread::id &v)
|
|
{
|
|
#if defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
|
|
return hash_value(v.thread_data);
|
|
#else
|
|
return hash_value(v.thread_data.get());
|
|
#endif
|
|
}
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
|
|
#if defined(BOOST_THREAD_PLATFORM_WIN32)
|
|
typedef unsigned int data;
|
|
#else
|
|
typedef thread::native_handle_type data;
|
|
#endif
|
|
#else
|
|
typedef detail::thread_data_ptr data;
|
|
#endif
|
|
data thread_data;
|
|
|
|
id(data thread_data_):
|
|
thread_data(thread_data_)
|
|
{}
|
|
friend class thread;
|
|
friend id BOOST_THREAD_DECL this_thread::get_id() BOOST_NOEXCEPT;
|
|
public:
|
|
id() BOOST_NOEXCEPT:
|
|
#if defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
|
|
thread_data(0)
|
|
#else
|
|
thread_data()
|
|
#endif
|
|
{}
|
|
|
|
id(const id& other) BOOST_NOEXCEPT :
|
|
thread_data(other.thread_data)
|
|
{}
|
|
|
|
bool operator==(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return thread_data==y.thread_data;
|
|
}
|
|
|
|
bool operator!=(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return thread_data!=y.thread_data;
|
|
}
|
|
|
|
bool operator<(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return thread_data<y.thread_data;
|
|
}
|
|
|
|
bool operator>(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return y.thread_data<thread_data;
|
|
}
|
|
|
|
bool operator<=(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return !(y.thread_data<thread_data);
|
|
}
|
|
|
|
bool operator>=(const id& y) const BOOST_NOEXCEPT
|
|
{
|
|
return !(thread_data<y.thread_data);
|
|
}
|
|
|
|
#ifndef BOOST_NO_IOSTREAM
|
|
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
|
|
template<class charT, class traits>
|
|
friend BOOST_SYMBOL_VISIBLE
|
|
std::basic_ostream<charT, traits>&
|
|
operator<<(std::basic_ostream<charT, traits>& os, const id& x)
|
|
{
|
|
if(x.thread_data)
|
|
{
|
|
io::ios_flags_saver ifs( os );
|
|
return os<< std::hex << x.thread_data;
|
|
}
|
|
else
|
|
{
|
|
return os<<"{Not-any-thread}";
|
|
}
|
|
}
|
|
#else
|
|
template<class charT, class traits>
|
|
BOOST_SYMBOL_VISIBLE
|
|
std::basic_ostream<charT, traits>&
|
|
print(std::basic_ostream<charT, traits>& os) const
|
|
{
|
|
if(thread_data)
|
|
{
|
|
io::ios_flags_saver ifs( os );
|
|
return os<< std::hex << thread_data;
|
|
}
|
|
else
|
|
{
|
|
return os<<"{Not-any-thread}";
|
|
}
|
|
}
|
|
|
|
#endif
|
|
#endif
|
|
};
|
|
|
|
#ifdef BOOST_THREAD_PLATFORM_PTHREAD
|
|
thread::id thread::get_id() const BOOST_NOEXCEPT
|
|
{
|
|
#if defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
|
|
return const_cast<thread*>(this)->native_handle();
|
|
#else
|
|
detail::thread_data_ptr const local_thread_info=(get_thread_info)();
|
|
return (local_thread_info? id(local_thread_info) : id());
|
|
#endif
|
|
}
|
|
|
|
namespace this_thread
|
|
{
|
|
inline thread::id get_id() BOOST_NOEXCEPT
|
|
{
|
|
#if defined BOOST_THREAD_PROVIDES_BASIC_THREAD_ID
|
|
return pthread_self();
|
|
#else
|
|
boost::detail::thread_data_base* const thread_info=get_or_make_current_thread_data();
|
|
return (thread_info?thread::id(thread_info->shared_from_this()):thread::id());
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
void thread::join() {
|
|
if (this_thread::get_id() == get_id())
|
|
boost::throw_exception(thread_resource_error(static_cast<int>(system::errc::resource_deadlock_would_occur), "boost thread: trying joining itself"));
|
|
|
|
BOOST_THREAD_VERIFY_PRECONDITION( join_noexcept(),
|
|
thread_resource_error(static_cast<int>(system::errc::invalid_argument), "boost thread: thread not joinable")
|
|
);
|
|
}
|
|
|
|
#ifdef BOOST_THREAD_PLATFORM_PTHREAD
|
|
bool thread::do_try_join_until(struct timespec const &timeout)
|
|
#else
|
|
bool thread::do_try_join_until(uintmax_t timeout)
|
|
#endif
|
|
{
|
|
if (this_thread::get_id() == get_id())
|
|
boost::throw_exception(thread_resource_error(static_cast<int>(system::errc::resource_deadlock_would_occur), "boost thread: trying joining itself"));
|
|
bool res;
|
|
if (do_try_join_until_noexcept(timeout, res))
|
|
{
|
|
return res;
|
|
}
|
|
else
|
|
{
|
|
BOOST_THREAD_THROW_ELSE_RETURN(
|
|
(thread_resource_error(static_cast<int>(system::errc::invalid_argument), "boost thread: thread not joinable")),
|
|
false
|
|
);
|
|
}
|
|
}
|
|
|
|
#if !defined(BOOST_NO_IOSTREAM) && defined(BOOST_NO_MEMBER_TEMPLATE_FRIENDS)
|
|
template<class charT, class traits>
|
|
BOOST_SYMBOL_VISIBLE
|
|
std::basic_ostream<charT, traits>&
|
|
operator<<(std::basic_ostream<charT, traits>& os, const thread::id& x)
|
|
{
|
|
return x.print(os);
|
|
}
|
|
#endif
|
|
|
|
#if defined BOOST_THREAD_PROVIDES_THREAD_EQ
|
|
inline bool thread::operator==(const thread& other) const
|
|
{
|
|
return get_id()==other.get_id();
|
|
}
|
|
|
|
inline bool thread::operator!=(const thread& other) const
|
|
{
|
|
return get_id()!=other.get_id();
|
|
}
|
|
#endif
|
|
|
|
namespace detail
|
|
{
|
|
struct thread_exit_function_base
|
|
{
|
|
virtual ~thread_exit_function_base()
|
|
{}
|
|
virtual void operator()()=0;
|
|
};
|
|
|
|
template<typename F>
|
|
struct thread_exit_function:
|
|
thread_exit_function_base
|
|
{
|
|
F f;
|
|
|
|
thread_exit_function(F f_):
|
|
f(f_)
|
|
{}
|
|
|
|
void operator()()
|
|
{
|
|
f();
|
|
}
|
|
};
|
|
|
|
void BOOST_THREAD_DECL add_thread_exit_function(thread_exit_function_base*);
|
|
struct shared_state_base;
|
|
#if defined(BOOST_THREAD_PLATFORM_WIN32)
|
|
inline void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
|
|
{
|
|
detail::thread_data_base* const current_thread_data(detail::get_current_thread_data());
|
|
if(current_thread_data)
|
|
{
|
|
current_thread_data->make_ready_at_thread_exit(as);
|
|
}
|
|
}
|
|
#else
|
|
void BOOST_THREAD_DECL make_ready_at_thread_exit(shared_ptr<shared_state_base> as);
|
|
#endif
|
|
}
|
|
|
|
namespace this_thread
|
|
{
|
|
template<typename F>
|
|
void at_thread_exit(F f)
|
|
{
|
|
detail::thread_exit_function_base* const thread_exit_func=detail::heap_new<detail::thread_exit_function<F> >(f);
|
|
detail::add_thread_exit_function(thread_exit_func);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef BOOST_MSVC
|
|
#pragma warning(pop)
|
|
#endif
|
|
|
|
#include <boost/config/abi_suffix.hpp>
|
|
|
|
#endif
|