Nor Jaidi Tuah píše v Čt 04. 02. 2010 v 07:59 +0800: > > > What is the recommended way of aborting an > > > async function so that another invocation can > > > be made only after the previous one has > > > stopped, thus ensuring that there is at most > > > one invocation at any time? > > > > > > > I think I don't fully understand the question here. You can simply add > > the invocations into another async method, thus chaining them one after > > another. Isn't that what you mean? > > What I really meant is something like this. > > First call an async function: > > async_func (xx); > > after a while something happens in the main > line (not in the async function) that requires this: > > signal and wait for the invocation async_func (xx) to stop > async_func (yy); > > So, what's the recommended way to "signal and wait for > the invocation async_func (xx) to stop" so that asyn_func (yy) > can proceed afresh? > > hand > Nor Jaidi Tuah > >
For terminating the previous one a Cancellable parameter is the best way. As for the chaining, I suppose you could do some magic in the method itself. For example having a bool indicator and postponing the execution until it's false (in case you want it to always behave this way).
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