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33 lines
430 B
Go
33 lines
430 B
Go
package server
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import (
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"sync"
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)
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// waitgroup for global management of connections
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type waitGroup struct {
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// local waitgroup
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lg sync.WaitGroup
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// global waitgroup
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gg *sync.WaitGroup
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}
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func (w *waitGroup) Add(i int) {
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w.lg.Add(i)
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if w.gg != nil {
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w.gg.Add(i)
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}
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}
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func (w *waitGroup) Done() {
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w.lg.Done()
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if w.gg != nil {
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w.gg.Done()
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}
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}
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func (w *waitGroup) Wait() {
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// only wait on local group
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w.lg.Wait()
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}
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