mirror of https://github.com/fluffle/goirc
39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
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package client
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import (
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"sync/atomic"
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"unsafe"
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)
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type hNodePtr struct {
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ptr unsafe.Pointer
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}
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func (p *hNodePtr) load() *hNode {
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return (*hNode)(atomic.LoadPointer(&p.ptr))
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}
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func (p *hNodePtr) store(new *hNode) {
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atomic.StorePointer(&p.ptr, unsafe.Pointer(new))
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}
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func (p *hNodePtr) swap(new *hNode) (old *hNode) {
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return (*hNode)(atomic.SwapPointer(&p.ptr, unsafe.Pointer(new)))
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}
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func (p *hNodePtr) compareAndSwap(old, new *hNode) (swapped bool) {
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return atomic.CompareAndSwapPointer(&p.ptr, unsafe.Pointer(old), unsafe.Pointer(new))
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}
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type hNodeState uintptr
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func (s *hNodeState) load() hNodeState {
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return hNodeState(atomic.LoadUintptr((*uintptr)(s)))
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}
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func (s *hNodeState) store(new hNodeState) {
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atomic.StoreUintptr((*uintptr)(s), uintptr(new))
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}
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func (s *hNodeState) swap(new hNodeState) (old hNodeState) {
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return hNodeState(atomic.SwapUintptr((*uintptr)(s), uintptr(new)))
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}
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func (s *hNodeState) compareAndSwap(old, new hNodeState) (swapped bool) {
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return atomic.CompareAndSwapUintptr((*uintptr)(s), uintptr(old), uintptr(new))
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}
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