update prometheus dependencies (#5520)
Signed-off-by: junot <junotxiang@kubesphere.io>
This commit is contained in:
43
vendor/go.uber.org/atomic/float64_ext.go
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43
vendor/go.uber.org/atomic/float64_ext.go
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@@ -1,4 +1,4 @@
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// Copyright (c) 2020 Uber Technologies, Inc.
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// Copyright (c) 2020-2022 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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@@ -20,15 +20,18 @@
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package atomic
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import "strconv"
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import (
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"math"
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"strconv"
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)
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//go:generate bin/gen-atomicwrapper -name=Float64 -type=float64 -wrapped=Uint64 -pack=math.Float64bits -unpack=math.Float64frombits -cas -json -imports math -file=float64.go
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//go:generate bin/gen-atomicwrapper -name=Float64 -type=float64 -wrapped=Uint64 -pack=math.Float64bits -unpack=math.Float64frombits -swap -json -imports math -file=float64.go
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// Add atomically adds to the wrapped float64 and returns the new value.
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func (f *Float64) Add(s float64) float64 {
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func (f *Float64) Add(delta float64) float64 {
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for {
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old := f.Load()
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new := old + s
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new := old + delta
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if f.CAS(old, new) {
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return new
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}
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@@ -36,8 +39,34 @@ func (f *Float64) Add(s float64) float64 {
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}
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// Sub atomically subtracts from the wrapped float64 and returns the new value.
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func (f *Float64) Sub(s float64) float64 {
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return f.Add(-s)
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func (f *Float64) Sub(delta float64) float64 {
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return f.Add(-delta)
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}
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// CAS is an atomic compare-and-swap for float64 values.
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//
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// Deprecated: Use CompareAndSwap
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func (f *Float64) CAS(old, new float64) (swapped bool) {
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return f.CompareAndSwap(old, new)
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}
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// CompareAndSwap is an atomic compare-and-swap for float64 values.
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//
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// Note: CompareAndSwap handles NaN incorrectly. NaN != NaN using Go's inbuilt operators
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// but CompareAndSwap allows a stored NaN to compare equal to a passed in NaN.
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// This avoids typical CompareAndSwap loops from blocking forever, e.g.,
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//
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// for {
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// old := atom.Load()
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// new = f(old)
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// if atom.CompareAndSwap(old, new) {
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// break
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// }
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// }
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//
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// If CompareAndSwap did not match NaN to match, then the above would loop forever.
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func (f *Float64) CompareAndSwap(old, new float64) (swapped bool) {
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return f.v.CompareAndSwap(math.Float64bits(old), math.Float64bits(new))
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}
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// String encodes the wrapped value as a string.
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