private KernelResult CreateThread(
ulong entrypoint,
ulong argsPtr,
ulong stackTop,
int priority,
int cpuCore,
out int handle)
{
handle = 0;
KProcess currentProcess = _system.Scheduler.GetCurrentProcess();
if (cpuCore == -2)
{
cpuCore = currentProcess.DefaultCpuCore;
}
if ((uint)cpuCore >= KScheduler.CpuCoresCount || !currentProcess.IsCpuCoreAllowed(cpuCore))
{
return(KernelResult.InvalidCpuCore);
}
if ((uint)priority >= KScheduler.PrioritiesCount || !currentProcess.IsPriorityAllowed(priority))
{
return(KernelResult.InvalidPriority);
}
long timeout = KTimeManager.ConvertMillisecondsToNanoseconds(100);
if (currentProcess.ResourceLimit != null &&
!currentProcess.ResourceLimit.Reserve(LimitableResource.Thread, 1, timeout))
{
return(KernelResult.ResLimitExceeded);
}
KThread thread = new KThread(_system);
KernelResult result = currentProcess.InitializeThread(
thread,
entrypoint,
argsPtr,
stackTop,
priority,
cpuCore);
if (result == KernelResult.Success)
{
result = _process.HandleTable.GenerateHandle(thread, out handle);
}
else
{
currentProcess.ResourceLimit?.Release(LimitableResource.Thread, 1);
}
thread.DecrementReferenceCount();
return(result);
}