How to cancel taskflow that has executed future.get()?

[QiuYilin]

I need to grab the exception for each task. like this:

try{
  tf::Future<void> fu = executor.run(taskflow);
  fu.get();
}
catch(...){
  do_something();
}

Then the thread will be blocked because of future's feature. The cancel() method won't work after get().Is there any way to catch exceptions while retaining the ability to interrupt tasks?

[tsung-wei-huang]

Hi @QiuYilin , I don't understand your question. Basically, when an exception is thrown, the taskflow runtime will try to cancel that running taskflow. Is this something you were asking for?

[QiuYilin]

Hi @QiuYilin , I don't understand your question. Basically, when an exception is thrown, the taskflow runtime will try to cancel that running taskflow. Is this something you were asking for?

I want to actively interrupt the task even if there is no error. Now I think I should create my own breakpoint, pass the flag so that the breakpoint throws an exception, so as to achieve the effect instead of using future.cancel().

[tsung-wei-huang]

I think you are referring to something like coroutine that you can suspend a task at any point? If yes, this is something currently we are working on.

[QiuYilin]

What I mean is that the task can be interrupted, but it does not affect the acquisition of exceptions without interruption.What I need may be InterruptableThread, I don't need to continue executing the interrupted task.