/// <summary>
/// Yields the calling thread.
/// </summary>
/// <param name="args">The arguments to return from Resume.</param>
/// <returns>The objects passed to Resume.</returns>
/// <exception cref="System.InvalidOperationException">If the thread
/// is not already running -or- if this is not a Lua thread.</exception>
public override ILuaMultiValue Yield(ILuaMultiValue args)
{
lock (handle_)
{
if (!IsLua)
{
throw new InvalidOperationException(
"Cannot resume a thread that has been created outside Lua.");
}
if (Status != LuaThreadStatus.Running)
{
throw new InvalidOperationException("Thread must be running to yield.");
}
// Fire the OnYield event.
var e = new YieldEventArgs(args);
CallOnYield(e);
// If the yield is rejected, simply return the arguments.
if (e.RejectYield)
{
return(e.ReturnArguments);
}
args = args ?? E_.Runtime.CreateMultiValue();
args_ = args;
Status = LuaThreadStatus.Suspended;
Monitor.Pulse(handle_);
while (Status != LuaThreadStatus.Running)
{
Monitor.Wait(handle_);
}
ILuaMultiValue ret = Interlocked.Exchange(ref args_, null);
return(ret ?? E_.Runtime.CreateMultiValue());
}
}
/// <summary>
/// Yields the calling thread.
/// </summary>
/// <param name="args">The arguments to return from Resume.</param>
/// <returns>The objects passed to Resume.</returns>
/// <exception cref="System.InvalidOperationException">If the thread
/// is not already running -or- if this is not a Lua thread.</exception>
public override ILuaMultiValue Yield(ILuaMultiValue args)
{
lock (handle_)
{
if (!IsLua)
{
throw new InvalidOperationException(
"Cannot resume a thread that has been created outside Lua.");
}
if (Status != LuaThreadStatus.Running)
throw new InvalidOperationException("Thread must be running to yield.");
// Fire the OnYield event.
var e = new YieldEventArgs(args);
CallOnYield(e);
// If the yield is rejected, simply return the arguments.
if (e.RejectYield)
return e.ReturnArguments;
args = args ?? E_.Runtime.CreateMultiValue();
args_ = args;
Status = LuaThreadStatus.Suspended;
Monitor.Pulse(handle_);
while (Status != LuaThreadStatus.Running)
{
Monitor.Wait(handle_);
}
ILuaMultiValue ret = Interlocked.Exchange(ref args_, null);
return ret ?? E_.Runtime.CreateMultiValue();
}
}
