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#include "UnityPrefix.h"
#if SUPPORT_THREADS
#ifndef THREAD_API_WINAPI
#define THREAD_API_WINAPI (UNITY_WIN || UNITY_XENON || UNITY_WINRT)
#endif
#endif // SUPPORT_THREADS
#if THREAD_API_WINAPI
#include "PlatformThread.h"
#include "Runtime/Threads/Thread.h"
#include "Runtime/Threads/ThreadHelper.h"
#include "Runtime/Utilities/Word.h"
// module@TODO : Move this to PlatformThread.h
#if UNITY_WINRT
#include "PlatformDependent/MetroPlayer/Win32Threads.h"
#endif
PlatformThread::PlatformThread()
: m_Thread(NULL)
#if !UNITY_WINRT
, m_ThreadId(0)
#endif
{
}
PlatformThread::~PlatformThread()
{
AssertMsg(m_Thread == NULL, "***Thread was not cleaned up!***");
}
void PlatformThread::Create(const Thread* thread, const UInt32 stackSize, const int processor)
{
#if UNITY_WINRT
m_Thread = win32::CreateThread(Thread::RunThreadWrapper, (LPVOID) thread);
#else // UNITY_WINRT
DWORD creationFlags = 0;
#if UNITY_XENON
if (processor != DEFAULT_UNITY_THREAD_PROCESSOR)
creationFlags = CREATE_SUSPENDED;
#endif
m_Thread = ::CreateThread(NULL, stackSize, Thread::RunThreadWrapper, (LPVOID) thread, creationFlags, &m_ThreadId);
Assert(NULL != m_Thread);
#if UNITY_XENON
if (processor != DEFAULT_UNITY_THREAD_PROCESSOR)
{
ThreadHelper::SetThreadProcessor(thread, processor);
ResumeThread(m_Thread);
}
#endif
#endif // UNITY_WINRT
}
void PlatformThread::Enter(const Thread* thread)
{
if (thread->m_Priority != kNormalPriority)
UpdatePriority(thread);
}
void PlatformThread::Exit(const Thread* thread, void* result)
{
}
void PlatformThread::Join(const Thread* thread)
{
#if !UNITY_WINRT // Why doesn't WINRT store the thread ID ?
if (Thread::EqualsCurrentThreadID(m_ThreadId))
{
ErrorStringMsg("***Thread '%s' tried to join itself!***", thread->m_Name);
}
#endif
if (thread->m_Running)
{
DWORD waitResult = WaitForSingleObjectEx(m_Thread, INFINITE, FALSE);
Assert(WAIT_OBJECT_0 == waitResult);
}
if (m_Thread != NULL)
{
BOOL closeResult = CloseHandle(m_Thread);
Assert(FALSE != closeResult);
}
m_Thread = NULL;
}
void PlatformThread::UpdatePriority(const Thread* thread) const
{
ThreadPriority p = thread->m_Priority;
#if UNITY_WINRT
#pragma message("todo: implement") // ?!-
#else
int iPriority;
switch (p)
{
case kLowPriority:
iPriority = THREAD_PRIORITY_LOWEST;
break;
case kBelowNormalPriority:
iPriority = THREAD_PRIORITY_BELOW_NORMAL;
break;
case kNormalPriority:
iPriority = THREAD_PRIORITY_NORMAL;
break;
case kHighPriority:
iPriority = THREAD_PRIORITY_HIGHEST;
break;
default:
AssertString("Undefined thread priority");
}
int res = SetThreadPriority(m_Thread, iPriority);
AssertIf(res == 0);
#endif
}
PlatformThread::ThreadID PlatformThread::GetCurrentThreadID()
{
return GetCurrentThreadId();
}
#endif // THREAD_API_PTHREAD
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