public SyncVar GetSyncVarFromUIntPtr(UIntPtr o)
{
SyncVar ret;
if (!uintptr_to_syncvar.TryGetValue(o.ToUInt64(), out ret))
{
ret = (SyncVar)MChessChess.GetNextSyncVar();
Conversions.NewVar(ret);
uintptr_to_syncvar.Add(o.ToUInt64(), ret);
}
return(ret);
}
public SyncVar GetSyncVarFromGCAddress(GCAddress gca)
{
SyncVar ret;
if (!gca_to_syncvar.TryGetValue(gca, out ret))
{
// NOTE: we are ignoring the (highly weird) case where the object might be a Thread
ret = (SyncVar)MChessChess.GetNextSyncVar();
Conversions.NewVar(ret);
gca.AddRef(); // VERY IMPORTANT: must ref count to keep unmanaged cell alive
gca_to_syncvar.Add(gca, ret);
}
return(ret);
}
public SyncVar GetSyncVarFromNativeHandle(System.IntPtr handle)
{
lock (this)
{
SyncVar ret;
if (handleToSyncVar.TryGetValue(handle, out ret))
{
return(ret);
}
ret = (SyncVar)MChessChess.GetNextSyncVar();
Conversions.NewVar(ret);
handleToSyncVar[handle] = ret;
return(ret);
}
}
public SyncVar GetSyncVarFromObject(object o)
{
SyncVar ret;
WeakReference w = new WeakReference(o);
if (o.GetType() == typeof(System.Threading.Thread))
{
// in this case, the SyncVar value is the ChessTask id
ret = tid_to_ctid[(o as System.Threading.Thread).ManagedThreadId];
return(ret);
}
else if (!obj_to_syncvar.TryGetValue(w, out ret))
{
ret = (SyncVar)MChessChess.GetNextSyncVar();
Conversions.NewVar(ret);
obj_to_syncvar.Add(w, ret);
}
return(ret);
}
