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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
#include <boost/thread/detail/config.hpp>
#include <boost/intrusive_ptr.hpp>
#include <boost/thread/thread_time.hpp>
#include "thread_primitives.hpp"
#include "thread_heap_alloc.hpp"
#include <boost/config/abi_prefix.hpp>
namespace boost
{
namespace detail
{
struct thread_exit_callback_node;
struct tss_data_node;
struct thread_data_base;
void intrusive_ptr_add_ref(thread_data_base * p);
void intrusive_ptr_release(thread_data_base * p);
struct thread_data_base
{
long count;
detail::win32::handle_manager thread_handle;
detail::win32::handle_manager interruption_handle;
boost::detail::thread_exit_callback_node* thread_exit_callbacks;
boost::detail::tss_data_node* tss_data;
bool interruption_enabled;
unsigned id;
thread_data_base():
count(0),thread_handle(detail::win32::invalid_handle_value),
interruption_handle(create_anonymous_event(detail::win32::manual_reset_event,detail::win32::event_initially_reset)),
thread_exit_callbacks(0),tss_data(0),
interruption_enabled(true),
id(0)
{}
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);
}
}
void interrupt()
{
BOOST_VERIFY(detail::win32::SetEvent(interruption_handle)!=0);
}
typedef detail::win32::handle native_handle_type;
virtual void run()=0;
};
typedef boost::intrusive_ptr<detail::thread_data_base> thread_data_ptr;
struct timeout
{
unsigned long 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::GetTickCount()),
milliseconds(milliseconds_),
relative(true),
abs_time(boost::get_system_time())
{}
timeout(boost::system_time const& abs_time_):
start(win32::GetTickCount()),
milliseconds(0),
relative(false),
abs_time(abs_time_)
{}
struct 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)
{
unsigned long const now=win32::GetTickCount();
unsigned long 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)
{}
};
}
namespace this_thread
{
void BOOST_THREAD_DECL yield();
bool BOOST_THREAD_DECL interruptible_wait(detail::win32::handle handle_to_wait_for,detail::timeout target_time);
inline void interruptible_wait(unsigned long milliseconds)
{
interruptible_wait(detail::win32::invalid_handle_value,milliseconds);
}
inline void interruptible_wait(system_time const& abs_time)
{
interruptible_wait(detail::win32::invalid_handle_value,abs_time);
}
template<typename TimeDuration>
inline void sleep(TimeDuration const& rel_time)
{
interruptible_wait(static_cast<unsigned long>(rel_time.total_milliseconds()));
}
inline void sleep(system_time const& abs_time)
{
interruptible_wait(abs_time);
}
}
}
#include <boost/config/abi_suffix.hpp>
#endif
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Swift