/// <summary>
/// Creates a new thread
/// </summary>
public Thread()
{
TID = NextTID++;
Context = new X86ThreadContext();
m_currentSignalContext = null;
m_signalMutex = new Mutex();
}
/// <summary>
/// Processes a signal
/// </summary>
/// <param name="action">The action</param>
/// <returns>The signal context</returns>
public void ProcessSignal(SignalAction action)
{
while (m_currentSignalContext != null)
{
Tasking.Yield();
}
m_signalMutex.Lock();
m_currentSignalContext = Context.ProcessSignal(action);
m_signalMutex.Unlock();
}
/// <summary>
/// Returns from a signal (restores original context)
/// </summary>
public unsafe void ReturnFromSignal()
{
m_signalMutex.Lock();
if (m_currentSignalContext == null)
{
m_signalMutex.Unlock();
return;
}
Context.ReturnFromSignal(m_currentSignalContext);
m_currentSignalContext.Dispose();
Heap.Free(m_currentSignalContext);
m_currentSignalContext = null;
m_signalMutex.Unlock();
}
/// <summary>
/// Returns from signal (restores original context)
/// </summary>
/// <param name="oldContext">Old context</param>
public void ReturnFromSignal(ISignalContext oldContext)
{
X86SignalContext old = (X86SignalContext)oldContext;
Memory.Memcpy(m_sysRegs, old.Sysregs, sizeof(RegsDirect));
}
