micro/server/rpc_util.go

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2019-11-27 20:12:07 +03:00
package server
import (
"sync"
)
// waitgroup for global management of connections
type waitGroup struct {
// local waitgroup
lg sync.WaitGroup
// global waitgroup
gg *sync.WaitGroup
}
func (w *waitGroup) Add(i int) {
w.lg.Add(i)
if w.gg != nil {
w.gg.Add(i)
}
}
func (w *waitGroup) Done() {
w.lg.Done()
if w.gg != nil {
w.gg.Done()
}
}
func (w *waitGroup) Wait() {
// only wait on local group
w.lg.Wait()
}