107 lines
2.5 KiB
C++
107 lines
2.5 KiB
C++
// 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 2013 Vicente J. Botet Escriba
|
|
|
|
#ifndef BOOST_THREAD_COUNTER_HPP
|
|
#define BOOST_THREAD_COUNTER_HPP
|
|
|
|
#include <boost/thread/detail/config.hpp>
|
|
#include <boost/thread/detail/delete.hpp>
|
|
|
|
//#include <boost/thread/mutex.hpp>
|
|
//#include <boost/thread/lock_types.hpp>
|
|
#include <boost/thread/condition_variable.hpp>
|
|
#include <boost/chrono/duration.hpp>
|
|
#include <boost/chrono/time_point.hpp>
|
|
#include <boost/assert.hpp>
|
|
|
|
#include <boost/config/abi_prefix.hpp>
|
|
|
|
namespace boost
|
|
{
|
|
namespace detail {
|
|
struct counter
|
|
{
|
|
condition_variable cond_;
|
|
std::size_t value_;
|
|
|
|
counter(std::size_t value)
|
|
: value_(value)
|
|
{
|
|
|
|
}
|
|
counter& operator=(counter const& rhs)
|
|
{
|
|
value_ = rhs.value_;
|
|
return *this;
|
|
}
|
|
counter& operator=(std::size_t value)
|
|
{
|
|
value_ = value;
|
|
return *this;
|
|
}
|
|
|
|
operator std::size_t() const
|
|
{
|
|
return value_;
|
|
}
|
|
operator std::size_t&()
|
|
{
|
|
return value_;
|
|
}
|
|
|
|
void inc_and_notify_all()
|
|
{
|
|
++value_;
|
|
cond_.notify_all();
|
|
}
|
|
|
|
void dec_and_notify_all()
|
|
{
|
|
--value_;
|
|
cond_.notify_all();
|
|
}
|
|
void assign_and_notify_all(counter const& rhs)
|
|
{
|
|
value_ = rhs.value_;
|
|
cond_.notify_all();
|
|
}
|
|
void assign_and_notify_all(std::size_t value)
|
|
{
|
|
value_ = value;
|
|
cond_.notify_all();
|
|
}
|
|
};
|
|
struct counter_is_not_zero
|
|
{
|
|
counter_is_not_zero(counter const& count) : count_(count) {}
|
|
bool operator()() const { return count_ != 0; }
|
|
counter const& count_;
|
|
};
|
|
struct counter_is_zero
|
|
{
|
|
counter_is_zero(counter const& count) : count_(count) {}
|
|
bool operator()() const { return count_ == 0; }
|
|
counter const& count_;
|
|
};
|
|
struct is_zero
|
|
{
|
|
is_zero(std::size_t& count) : count_(count) {}
|
|
bool operator()() const { return count_ == 0; }
|
|
std::size_t& count_;
|
|
};
|
|
struct not_equal
|
|
{
|
|
not_equal(std::size_t& x, std::size_t& y) : x_(x), y_(y) {}
|
|
bool operator()() const { return x_ != y_; }
|
|
std::size_t& x_;
|
|
std::size_t& y_;
|
|
};
|
|
}
|
|
} // namespace boost
|
|
|
|
#include <boost/config/abi_suffix.hpp>
|
|
|
|
#endif
|