pickerwrapper: use atomic instead of locks #7214
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easwars
approved these changes
May 15, 2024
| blockingCh chan struct{} | ||
| picker balancer.Picker | ||
| // If pickerGen holds a nil pointer, the pickerWrapper is closed. | ||
| pickerGen atomic.Pointer[pickerGeneration] |
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I like atomic.Pointer a lot. atomic's unsafe.Pointer operations were terrible.
picker_wrapper.go
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| pw.pickerGen.Store(&pickerGeneration{ | ||
| blockingCh: make(chan struct{}), | ||
| }) | ||
| return pw | ||
| } | ||
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| // updatePicker is called by UpdateBalancerState. It unblocks all blocked pick. |
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While you are here, could you please update this comment to say UpdateState instead of UpdateBalancerState. Thanks.
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Clarified that it comes from the LB policy since we have 16 different UpdateStates.
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RELEASE NOTES: none