ecency-mobile/ios/Pods/boost-for-react-native/boost/thread/win32/thread_data.hpp

329 lines
11 KiB
C++

#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