ocrm.bsky.social
the game where you go into mines and start crafting! but for consoles (forked directly from smartcmd's github)
1// Copyright (C) 2002-2003
2// David Moore, William E. Kempf
3// Copyright (C) 2007-8 Anthony Williams
4//
5// Distributed under the Boost Software License, Version 1.0. (See accompanying
6// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7
8#ifndef BOOST_BARRIER_JDM030602_HPP
9#define BOOST_BARRIER_JDM030602_HPP
10
11#include <boost/thread/detail/config.hpp>
12#include <boost/throw_exception.hpp>
13
14#include <boost/thread/mutex.hpp>
15#include <boost/thread/lock_types.hpp>
16#include <boost/thread/condition_variable.hpp>
17#include <string>
18#include <stdexcept>
19
20#include <boost/config/abi_prefix.hpp>
21
22namespace boost
23{
24
25 class barrier
26 {
27 public:
28 barrier(unsigned int count)
29 : m_threshold(count), m_count(count), m_generation(0)
30 {
31 if (count == 0)
32 boost::throw_exception(thread_exception(system::errc::invalid_argument, "barrier constructor: count cannot be zero."));
33 }
34
35 bool wait()
36 {
37 boost::unique_lock<boost::mutex> lock(m_mutex);
38 unsigned int gen = m_generation;
39
40 if (--m_count == 0)
41 {
42 m_generation++;
43 m_count = m_threshold;
44 m_cond.notify_all();
45 return true;
46 }
47
48 while (gen == m_generation)
49 m_cond.wait(lock);
50 return false;
51 }
52
53 private:
54 mutex m_mutex;
55 condition_variable m_cond;
56 unsigned int m_threshold;
57 unsigned int m_count;
58 unsigned int m_generation;
59 };
60
61} // namespace boost
62
63#include <boost/config/abi_suffix.hpp>
64
65#endif