130 lines
2.5 KiB
C++
130 lines
2.5 KiB
C++
//
|
|
// posix_thread.hpp
|
|
// ~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
|
//
|
|
// 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)
|
|
//
|
|
|
|
#ifndef ASIO_DETAIL_POSIX_THREAD_HPP
|
|
#define ASIO_DETAIL_POSIX_THREAD_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
#include <boost/config.hpp>
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#if defined(BOOST_HAS_PTHREADS)
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
#include <memory>
|
|
#include <boost/throw_exception.hpp>
|
|
#include <pthread.h>
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#include "asio/error.hpp"
|
|
#include "asio/system_error.hpp"
|
|
#include "asio/detail/noncopyable.hpp"
|
|
|
|
namespace asio {
|
|
namespace detail {
|
|
|
|
extern "C" void* asio_detail_posix_thread_function(void* arg);
|
|
|
|
class posix_thread
|
|
: private noncopyable
|
|
{
|
|
public:
|
|
// Constructor.
|
|
template <typename Function>
|
|
posix_thread(Function f)
|
|
: joined_(false)
|
|
{
|
|
std::auto_ptr<func_base> arg(new func<Function>(f));
|
|
int error = ::pthread_create(&thread_, 0,
|
|
asio_detail_posix_thread_function, arg.get());
|
|
if (error != 0)
|
|
{
|
|
asio::system_error e(
|
|
asio::error_code(error,
|
|
asio::error::get_system_category()),
|
|
"thread");
|
|
boost::throw_exception(e);
|
|
}
|
|
arg.release();
|
|
}
|
|
|
|
// Destructor.
|
|
~posix_thread()
|
|
{
|
|
if (!joined_)
|
|
::pthread_detach(thread_);
|
|
}
|
|
|
|
// Wait for the thread to exit.
|
|
void join()
|
|
{
|
|
if (!joined_)
|
|
{
|
|
::pthread_join(thread_, 0);
|
|
joined_ = true;
|
|
}
|
|
}
|
|
|
|
private:
|
|
friend void* asio_detail_posix_thread_function(void* arg);
|
|
|
|
class func_base
|
|
{
|
|
public:
|
|
virtual ~func_base() {}
|
|
virtual void run() = 0;
|
|
};
|
|
|
|
template <typename Function>
|
|
class func
|
|
: public func_base
|
|
{
|
|
public:
|
|
func(Function f)
|
|
: f_(f)
|
|
{
|
|
}
|
|
|
|
virtual void run()
|
|
{
|
|
f_();
|
|
}
|
|
|
|
private:
|
|
Function f_;
|
|
};
|
|
|
|
::pthread_t thread_;
|
|
bool joined_;
|
|
};
|
|
|
|
inline void* asio_detail_posix_thread_function(void* arg)
|
|
{
|
|
std::auto_ptr<posix_thread::func_base> f(
|
|
static_cast<posix_thread::func_base*>(arg));
|
|
f->run();
|
|
return 0;
|
|
}
|
|
|
|
} // namespace detail
|
|
} // namespace asio
|
|
|
|
#endif // defined(BOOST_HAS_PTHREADS)
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_DETAIL_POSIX_THREAD_HPP
|