How to kill a goroutine

[Baron Schwartz]

Is there a way to cause a goroutine to stop? Imagine I'm a supervisor goroutine and I know about a bunch of worker goroutines. I decide that one of them is out of control and I want to kill it. Can I do that?

I know of some techniques to "ask" or "invite" it to exit, such as making it check for a value on a channel and exit if there is one. But I don't want to ask it, and I don't want to wait until it notices I've asked; I want to kill-dash-nine it. Or, given that it could defer/recover catch a panic, at least kill-dash-fifteen :-)

Thanks

Baron

[Jan Mercl]

A goroutine cannot be programmatically killed. It can only commit a cooperative suicide.

-j

[Baron Schwartz]

On Friday, December 27, 2013 10:38:00 AM UTC-5, Baron Schwartz wrote:

Is there a way to cause a goroutine to stop? Imagine I'm a supervisor goroutine and I know about a bunch of worker goroutines. I decide that one of them is out of control and I want to kill it. Can I do that?

I apologize for not STFL'ing. Brain lapse. Looks like this isn't possible:

https://groups.google.com/d/topic/golang-nuts/SPAgm0TlWc0/discussion

https://groups.google.com/d/topic/golang-nuts/y4h_00veKHU/discussion

[Graham Miller]

Relevant stackoverflow:

http://stackoverflow.com/questions/6807590/how-to-stop-a-goroutine/8098837#8098837

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