public long Start()
{
long Result = MakeError(ErrorModule.Kernel, KernelErr.ThreadTerminating);
System.CriticalSectionLock.Lock();
if (!ShallBeTerminated)
{
KThread CurrentThread = System.Scheduler.GetCurrentThread();
while (SchedFlags != ThreadSchedState.TerminationPending &&
CurrentThread.SchedFlags != ThreadSchedState.TerminationPending &&
!CurrentThread.ShallBeTerminated)
{
if ((SchedFlags & ThreadSchedState.LowNibbleMask) != ThreadSchedState.None)
{
Result = MakeError(ErrorModule.Kernel, KernelErr.InvalidState);
break;
}
if (CurrentThread.ForcePauseFlags == ThreadSchedState.None)
{
if (Owner != null && ForcePauseFlags != ThreadSchedState.None)
{
CombineForcePauseFlags();
}
SetNewSchedFlags(ThreadSchedState.Running);
Result = 0;
break;
}
else
{
CurrentThread.CombineForcePauseFlags();
System.CriticalSectionLock.Unlock();
System.CriticalSectionLock.Lock();
if (CurrentThread.ShallBeTerminated)
{
break;
}
}
}
}
System.CriticalSectionLock.Unlock();
return(Result);
}
public KernelResult Start()
{
if (!System.KernelInitialized)
{
System.CriticalSection.Enter();
if (!ShallBeTerminated && SchedFlags != ThreadSchedState.TerminationPending)
{
_forcePauseFlags |= ThreadSchedState.KernelInitPauseFlag;
CombineForcePauseFlags();
}
System.CriticalSection.Leave();
}
KernelResult result = KernelResult.ThreadTerminating;
System.CriticalSection.Enter();
if (!ShallBeTerminated)
{
KThread currentThread = System.Scheduler.GetCurrentThread();
while (SchedFlags != ThreadSchedState.TerminationPending &&
currentThread.SchedFlags != ThreadSchedState.TerminationPending &&
!currentThread.ShallBeTerminated)
{
if ((SchedFlags & ThreadSchedState.LowMask) != ThreadSchedState.None)
{
result = KernelResult.InvalidState;
break;
}
if (currentThread._forcePauseFlags == ThreadSchedState.None)
{
if (Owner != null && _forcePauseFlags != ThreadSchedState.None)
{
CombineForcePauseFlags();
}
SetNewSchedFlags(ThreadSchedState.Running);
result = KernelResult.Success;
break;
}
else
{
currentThread.CombineForcePauseFlags();
System.CriticalSection.Leave();
System.CriticalSection.Enter();
if (currentThread.ShallBeTerminated)
{
break;
}
}
}
}
System.CriticalSection.Leave();
return(result);
}