private void InitializeProcessThreads()
{
var unmanagedThreadId = PlatformDetails.GetCurrentThreadId();
_currentProcess = Process.GetCurrentProcess();
foreach (ProcessThread pt in _currentProcess.Threads)
{
if (pt.Id == unmanagedThreadId)
{
_currentProcessThread = pt;
break;
}
}
if (_currentProcessThread == null)
{
throw new InvalidOperationException("Unable to get the current process thread: " + unmanagedThreadId + ", this should not be possible");
}
}
private void InitializeProcessThreads()
{
if (PlatformDetails.RunningOnMacOsx)
{
// Mac OSX threads API doesn't provide a way to set thread affinity
// we can use thread_policy_set which will make sure that two threads will run
// on different cpus, however we cannot choose which cpus will be used
// from thread_policy.h about using THREAD_AFFINITY_POLICY:
// This may be used to express affinity relationships between threads in
// the task. Threads with the same affinity tag will be scheduled to
// share an L2 cache if possible. That is, affinity tags are a hint to
// the scheduler for thread placement.
return;
}
_currentUnmanagedThreadId = PlatformDetails.GetCurrentThreadId();
_currentProcess = Process.GetCurrentProcess();
if (PlatformDetails.RunningOnLinux)
{
// we set the thread affinity by the unmanaged thread id
SetLinuxThreadAffinity(_currentProcess.ProcessorAffinity.ToInt64());
return;
}
foreach (ProcessThread pt in _currentProcess.Threads)
{
if (pt.Id == (uint)_currentUnmanagedThreadId)
{
_currentProcessThread = pt;
break;
}
}
if (_currentProcessThread == null)
{
throw new InvalidOperationException("Unable to get the current process thread: " + _currentUnmanagedThreadId + ", this should not be possible");
}
}
public ThreadStats()
{
_threadInstance = Thread.CurrentThread;
Id = _threadInstance.ManagedThreadId;
UnmanagedThreadId = PlatformDetails.GetCurrentThreadId();
}
