mirror of https://github.com/tidwall/tile38.git
73 lines
1.1 KiB
Go
73 lines
1.1 KiB
Go
package server
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import (
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"sync"
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"sync/atomic"
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"time"
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)
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type aint struct{ v uintptr }
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func (a *aint) add(d int) int {
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if d < 0 {
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return int(atomic.AddUintptr(&a.v, ^uintptr((d*-1)-1)))
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}
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return int(atomic.AddUintptr(&a.v, uintptr(d)))
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}
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func (a *aint) get() int {
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return int(atomic.LoadUintptr(&a.v))
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}
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func (a *aint) set(i int) int {
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return int(atomic.SwapUintptr(&a.v, uintptr(i)))
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}
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type abool struct{ v uint32 }
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func (a *abool) on() bool {
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return atomic.LoadUint32(&a.v) != 0
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}
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func (a *abool) set(t bool) bool {
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if t {
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return atomic.SwapUint32(&a.v, 1) != 0
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}
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return atomic.SwapUint32(&a.v, 0) != 0
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}
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type astring struct {
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mu sync.Mutex
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v string
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}
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func (a *astring) get() string {
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a.mu.Lock()
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p := a.v
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a.mu.Unlock()
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return p
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}
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func (a *astring) set(s string) string {
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a.mu.Lock()
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p := a.v
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a.v = s
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a.mu.Unlock()
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return p
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}
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type atime struct {
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mu sync.Mutex
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v time.Time
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}
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func (a *atime) get() time.Time {
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a.mu.Lock()
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p := a.v
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a.mu.Unlock()
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return p
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}
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func (a *atime) set(t time.Time) time.Time {
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a.mu.Lock()
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p := a.v
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a.v = t
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a.mu.Unlock()
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return p
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}
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