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- #ifndef BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
- #define BOOST_THREAD_PTHREAD_THREAD_DATA_HPP
- // 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)
- // (C) Copyright 2008 Anthony Williams
- // (C) Copyright 2011-2012 Vicente J. Botet Escriba
- #include <boost/thread/detail/config.hpp>
- #include <boost/thread/thread_time.hpp>
- #include <boost/thread/win32/thread_primitives.hpp>
- #include <boost/thread/win32/thread_heap_alloc.hpp>
- #include <boost/predef/platform.h>
- #include <boost/intrusive_ptr.hpp>
- #ifdef BOOST_THREAD_USES_CHRONO
- #include <boost/chrono/system_clocks.hpp>
- #endif
- #include <map>
- #include <vector>
- #include <utility>
- #include <boost/config/abi_prefix.hpp>
- #ifdef BOOST_MSVC
- #pragma warning(push)
- #pragma warning(disable:4251)
- #endif
- namespace boost
- {
- class condition_variable;
- class mutex;
- class thread_attributes {
- public:
- thread_attributes() BOOST_NOEXCEPT {
- val_.stack_size = 0;
- //val_.lpThreadAttributes=0;
- }
- ~thread_attributes() {
- }
- // stack size
- void set_stack_size(std::size_t size) BOOST_NOEXCEPT {
- val_.stack_size = size;
- }
- std::size_t get_stack_size() const BOOST_NOEXCEPT {
- return val_.stack_size;
- }
- //void set_security(LPSECURITY_ATTRIBUTES lpThreadAttributes)
- //{
- // val_.lpThreadAttributes=lpThreadAttributes;
- //}
- //LPSECURITY_ATTRIBUTES get_security()
- //{
- // return val_.lpThreadAttributes;
- //}
- struct win_attrs {
- std::size_t stack_size;
- //LPSECURITY_ATTRIBUTES lpThreadAttributes;
- };
- typedef win_attrs native_handle_type;
- native_handle_type* native_handle() {return &val_;}
- const native_handle_type* native_handle() const {return &val_;}
- private:
- win_attrs val_;
- };
- namespace detail
- {
- struct shared_state_base;
- struct tss_cleanup_function;
- struct thread_exit_callback_node;
- struct tss_data_node
- {
- boost::shared_ptr<boost::detail::tss_cleanup_function> func;
- void* value;
- tss_data_node(boost::shared_ptr<boost::detail::tss_cleanup_function> func_,
- void* value_):
- func(func_),value(value_)
- {}
- };
- struct thread_data_base;
- void intrusive_ptr_add_ref(thread_data_base * p);
- void intrusive_ptr_release(thread_data_base * p);
- struct BOOST_THREAD_DECL thread_data_base
- {
- long count;
- // Win32 threading APIs are not available in store apps so
- // use abstraction on top of Windows::System::Threading.
- #if BOOST_PLAT_WINDOWS_RUNTIME
- detail::win32::scoped_winrt_thread thread_handle;
- #else
- detail::win32::handle_manager thread_handle;
- #endif
- boost::detail::thread_exit_callback_node* thread_exit_callbacks;
- unsigned id;
- std::map<void const*,boost::detail::tss_data_node> tss_data;
- typedef std::vector<std::pair<condition_variable*, mutex*>
- //, hidden_allocator<std::pair<condition_variable*, mutex*> >
- > notify_list_t;
- notify_list_t notify;
- typedef std::vector<shared_ptr<shared_state_base> > async_states_t;
- async_states_t async_states_;
- //#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
- // These data must be at the end so that the access to the other fields doesn't change
- // when BOOST_THREAD_PROVIDES_INTERRUPTIONS is defined
- // Another option is to have them always
- detail::win32::handle_manager interruption_handle;
- bool interruption_enabled;
- //#endif
- thread_data_base():
- count(0),
- thread_handle(),
- thread_exit_callbacks(0),
- id(0),
- tss_data(),
- notify(),
- async_states_()
- //#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
- , interruption_handle(create_anonymous_event(detail::win32::manual_reset_event,detail::win32::event_initially_reset))
- , interruption_enabled(true)
- //#endif
- {}
- virtual ~thread_data_base();
- friend void intrusive_ptr_add_ref(thread_data_base * p)
- {
- BOOST_INTERLOCKED_INCREMENT(&p->count);
- }
- friend void intrusive_ptr_release(thread_data_base * p)
- {
- if(!BOOST_INTERLOCKED_DECREMENT(&p->count))
- {
- detail::heap_delete(p);
- }
- }
- #if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
- void interrupt()
- {
- BOOST_VERIFY(detail::win32::SetEvent(interruption_handle)!=0);
- }
- #endif
- typedef detail::win32::handle native_handle_type;
- virtual void run()=0;
- virtual void notify_all_at_thread_exit(condition_variable* cv, mutex* m)
- {
- notify.push_back(std::pair<condition_variable*, mutex*>(cv, m));
- }
- void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
- {
- async_states_.push_back(as);
- }
- };
- BOOST_THREAD_DECL thread_data_base* get_current_thread_data();
- typedef boost::intrusive_ptr<detail::thread_data_base> thread_data_ptr;
- struct BOOST_SYMBOL_VISIBLE timeout
- {
- win32::ticks_type start;
- uintmax_t milliseconds;
- bool relative;
- boost::system_time abs_time;
- static unsigned long const max_non_infinite_wait=0xfffffffe;
- timeout(uintmax_t milliseconds_):
- start(win32::GetTickCount64_()()),
- milliseconds(milliseconds_),
- relative(true)
- //,
- // abs_time(boost::get_system_time())
- {}
- timeout(boost::system_time const& abs_time_):
- start(win32::GetTickCount64_()()),
- milliseconds(0),
- relative(false),
- abs_time(abs_time_)
- {}
- struct BOOST_SYMBOL_VISIBLE remaining_time
- {
- bool more;
- unsigned long milliseconds;
- remaining_time(uintmax_t remaining):
- more(remaining>max_non_infinite_wait),
- milliseconds(more?max_non_infinite_wait:(unsigned long)remaining)
- {}
- };
- remaining_time remaining_milliseconds() const
- {
- if(is_sentinel())
- {
- return remaining_time(win32::infinite);
- }
- else if(relative)
- {
- win32::ticks_type const now=win32::GetTickCount64_()();
- win32::ticks_type const elapsed=now-start;
- return remaining_time((elapsed<milliseconds)?(milliseconds-elapsed):0);
- }
- else
- {
- system_time const now=get_system_time();
- if(abs_time<=now)
- {
- return remaining_time(0);
- }
- return remaining_time((abs_time-now).total_milliseconds()+1);
- }
- }
- bool is_sentinel() const
- {
- return milliseconds==~uintmax_t(0);
- }
- static timeout sentinel()
- {
- return timeout(sentinel_type());
- }
- private:
- struct sentinel_type
- {};
- explicit timeout(sentinel_type):
- start(0),milliseconds(~uintmax_t(0)),relative(true)
- {}
- };
- inline uintmax_t pin_to_zero(intmax_t value)
- {
- return (value<0)?0u:(uintmax_t)value;
- }
- }
- namespace this_thread
- {
- void BOOST_THREAD_DECL yield() BOOST_NOEXCEPT;
- bool BOOST_THREAD_DECL interruptible_wait(detail::win32::handle handle_to_wait_for,detail::timeout target_time);
- inline void interruptible_wait(uintmax_t milliseconds)
- {
- interruptible_wait(detail::win32::invalid_handle_value,milliseconds);
- }
- inline BOOST_SYMBOL_VISIBLE void interruptible_wait(system_time const& abs_time)
- {
- interruptible_wait(detail::win32::invalid_handle_value,abs_time);
- }
- template<typename TimeDuration>
- inline BOOST_SYMBOL_VISIBLE void sleep(TimeDuration const& rel_time)
- {
- interruptible_wait(detail::pin_to_zero(rel_time.total_milliseconds()));
- }
- inline BOOST_SYMBOL_VISIBLE void sleep(system_time const& abs_time)
- {
- interruptible_wait(abs_time);
- }
- // #11322 sleep_for() nanoseconds overload will always return too early on windows
- //#ifdef BOOST_THREAD_USES_CHRONO
- // inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
- // {
- // interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
- // }
- //#endif
- namespace no_interruption_point
- {
- bool BOOST_THREAD_DECL non_interruptible_wait(detail::win32::handle handle_to_wait_for,detail::timeout target_time);
- inline void non_interruptible_wait(uintmax_t milliseconds)
- {
- non_interruptible_wait(detail::win32::invalid_handle_value,milliseconds);
- }
- inline BOOST_SYMBOL_VISIBLE void non_interruptible_wait(system_time const& abs_time)
- {
- non_interruptible_wait(detail::win32::invalid_handle_value,abs_time);
- }
- template<typename TimeDuration>
- inline BOOST_SYMBOL_VISIBLE void sleep(TimeDuration const& rel_time)
- {
- non_interruptible_wait(detail::pin_to_zero(rel_time.total_milliseconds()));
- }
- inline BOOST_SYMBOL_VISIBLE void sleep(system_time const& abs_time)
- {
- non_interruptible_wait(abs_time);
- }
- // #11322 sleep_for() nanoseconds overload will always return too early on windows
- //#ifdef BOOST_THREAD_USES_CHRONO
- // inline void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
- // {
- // non_interruptible_wait(chrono::duration_cast<chrono::milliseconds>(ns).count());
- // }
- //#endif
- }
- }
- }
- #ifdef BOOST_MSVC
- #pragma warning(pop)
- #endif
- #include <boost/config/abi_suffix.hpp>
- #endif
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