You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
42 lines
949 B
42 lines
949 B
// Copyright (C) 2000 Stephen Cleary |
|
// |
|
// 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) |
|
// |
|
// See http://www.boost.org for updates, documentation, and revision history. |
|
|
|
#ifndef BOOST_POOL_MUTEX_HPP |
|
#define BOOST_POOL_MUTEX_HPP |
|
|
|
#include <boost/config.hpp> // for workarounds |
|
#ifdef BOOST_HAS_THREADS |
|
#include <boost/thread/mutex.hpp> |
|
#endif |
|
|
|
namespace boost{ namespace details{ namespace pool{ |
|
|
|
class null_mutex |
|
{ |
|
private: |
|
null_mutex(const null_mutex &); |
|
void operator=(const null_mutex &); |
|
|
|
public: |
|
null_mutex() { } |
|
|
|
static void lock() { } |
|
static void unlock() { } |
|
}; |
|
|
|
#if !defined(BOOST_HAS_THREADS) || defined(BOOST_NO_MT) || defined(BOOST_POOL_NO_MT) |
|
typedef null_mutex default_mutex; |
|
#else |
|
typedef boost::mutex default_mutex; |
|
#endif |
|
|
|
} // namespace pool |
|
} // namespace details |
|
} // namespace boost |
|
|
|
#endif
|
|
|