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If your intention is to use a stack for invocation, calling & returning, parameter passing, etc.., then separate threads of control each need their own independent call stack, else it doesn't work.Erik Eidt– Erik Eidt2019-11-29 02:06:47 +00:00Commented Nov 29, 2019 at 2:06
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Otherwise, an async stack may implement some kind of work or job queue (but not a function call stack). In such case, you need proper multithreaded synchronization of the operations that push, peek, and pop.Erik Eidt– Erik Eidt2019-11-29 02:08:52 +00:00Commented Nov 29, 2019 at 2:08
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You should wait a bit longer before accepting answers.whatsisname– whatsisname2019-11-29 03:28:52 +00:00Commented Nov 29, 2019 at 3:28
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You might be interested in this answerJohn Wu– John Wu2019-11-30 08:37:08 +00:00Commented Nov 30, 2019 at 8:37
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Given that you way in a newer question that you are emulating an operating system, you probably want the scheduler to take control and yield teh task when they are not expecting it. That is, preemptive multithreading instead of cooperative multithreading. You might be interested in Multi Programming - Computerphile and OS Context Switching - Computerphile.Theraot– Theraot2019-12-01 01:54:55 +00:00Commented Dec 1, 2019 at 1:54
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