private KernelResult SetThreadCoreMask(int handle, int preferredCore, long affinityMask)
{
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
if (preferredCore == -2)
{
preferredCore = currentProcess.DefaultCpuCore;
affinityMask = 1 << preferredCore;
}
else
{
if ((currentProcess.Capabilities.AllowedCpuCoresMask | affinityMask) !=
currentProcess.Capabilities.AllowedCpuCoresMask)
{
return(KernelResult.InvalidCpuCore);
}
if (affinityMask == 0)
{
return(KernelResult.InvalidCombination);
}
if ((uint)preferredCore > 3)
{
if ((preferredCore | 2) != -1)
{
return(KernelResult.InvalidCpuCore);
}
}
else if ((affinityMask & (1 << preferredCore)) == 0)
{
return(KernelResult.InvalidCombination);
}
}
KThread thread = _process.HandleTable.GetKThread(handle);
if (thread == null)
{
return(KernelResult.InvalidHandle);
}
return(thread.SetCoreAndAffinityMask(preferredCore, affinityMask));
}