NazaraEngine/src/Nazara/Core/Thread.cpp

148 lines
2.5 KiB
C++

// Copyright (C) 2013 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Core/Thread.hpp>
#include <Nazara/Core/Config.hpp>
#include <Nazara/Core/Error.hpp>
#include <Nazara/Core/HardwareInfo.hpp>
#include <stdexcept>
#if defined(NAZARA_PLATFORM_WINDOWS)
#include <Nazara/Core/Win32/ThreadImpl.hpp>
#elif defined(NAZARA_PLATFORM_POSIX)
#include <Nazara/Core/Posix/ThreadImpl.hpp>
#else
#error Thread has no implementation
#endif
#include <Nazara/Core/Debug.hpp>
NzThread::NzThread() :
m_impl(nullptr)
{
}
NzThread::NzThread(NzThread&& other) :
m_impl(other.m_impl)
{
other.m_impl = nullptr;
}
NzThread::~NzThread()
{
if (m_impl)
{
m_impl->Join();
delete m_impl;
m_impl = nullptr;
}
}
void NzThread::Detach()
{
if (m_impl)
{
m_impl->Detach();
delete m_impl;
m_impl = nullptr;
}
}
NzThread::Id NzThread::GetId() const
{
return NzThread::Id(m_impl);
}
bool NzThread::IsJoinable() const
{
return m_impl != nullptr;
}
void NzThread::Join()
{
#if NAZARA_CORE_SAFE
if (!m_impl)
{
NazaraError("This thread is not joinable");
return;
}
#endif
m_impl->Join();
delete m_impl;
m_impl = nullptr;
}
NzThread& NzThread::operator=(NzThread&& thread)
{
#if NAZARA_CORE_SAFE
if (m_impl)
{
NazaraError("This thread cannot be joined");
std::terminate();
}
#endif
std::swap(m_impl, thread.m_impl);
return *this;
}
unsigned int NzThread::HardwareConcurrency()
{
return NzHardwareInfo::GetProcessorCount();
}
void NzThread::Sleep(nzUInt32 milliseconds)
{
NzThreadImpl::Sleep(milliseconds);
}
void NzThread::CreateImpl(NzFunctor* functor)
{
m_impl = new NzThreadImpl(functor);
}
/*********************************NzThread::Id********************************/
bool operator==(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id == rhs.m_id;
}
bool operator!=(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id != rhs.m_id;
}
bool operator<(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id < rhs.m_id;
}
bool operator<=(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id <= rhs.m_id;
}
bool operator>(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id > rhs.m_id;
}
bool operator>=(const NzThread::Id& lhs, const NzThread::Id& rhs)
{
return lhs.m_id >= rhs.m_id;
}
std::ostream& operator<<(std::ostream& o, const NzThread::Id& id)
{
o << id.m_id;
return o;
}
NzThread::Id::Id(NzThreadImpl* thread) :
m_id(thread)
{
}