mirror of
https://github.com/cubefs/cubefs.git
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51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
// Copyright 2024 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package atomicutil
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import "sync/atomic"
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type Uint64 struct {
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v uint64
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}
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func (i *Uint64) Load() (v uint64) {
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v = atomic.LoadUint64(&i.v)
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return
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}
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func (i *Uint64) Store(v uint64) {
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atomic.StoreUint64(&i.v, v)
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}
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func (i *Uint64) CompareAndSwap(old uint64, new uint64) (swaped bool) {
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swaped = atomic.CompareAndSwapUint64(&i.v, old, new)
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return
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}
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func (i *Uint64) Add(v uint64) (new uint64) {
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new = atomic.AddUint64(&i.v, v)
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return
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}
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func (i *Uint64) Sub(v int64) (new uint64) {
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new = atomic.AddUint64(&i.v, ^uint64(v-1))
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return
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}
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func (i *Uint64) Swap(v uint64) (old uint64) {
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old = atomic.SwapUint64(&i.v, v)
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return
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}
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