Golang http server blocks when starts a goroutine of infinite-loop

怎甘沉沦 提交于 2019-11-28 13:53:34

The Go runtime's scheduler is not fully pre-emptive at this time. Go 1.2 improved matters by occasionally calling into the scheduler on function calls, but the infinite loops in your example have no function calls so this doesn't help.

With an actual body to your infinite loop handlers, you may see better behaviour. Alternatively, a manual call to runtime.Gosched may help in cases like this.

The scheduler might not be able to preempt such an empty "infinite" loop. The scheduler got better and better during the last release, maybe he should be good enough for such code; he definitely is good enough for real code. Just don't do such nonsense.

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