26ee4cb6c8
Each request processed in a separate goroutine. In case of OOSM state, during response write, request goroutine blocks on channel which waits event from main thread about SHM_ACK message from router.
32 lines
378 B
Go
32 lines
378 B
Go
/*
|
|
* Copyright (C) NGINX, Inc.
|
|
*/
|
|
|
|
package unit
|
|
|
|
import (
|
|
"sync"
|
|
)
|
|
|
|
type observable struct {
|
|
sync.Mutex
|
|
observers []chan int
|
|
}
|
|
|
|
func (o *observable) attach(c chan int) {
|
|
o.Lock()
|
|
defer o.Unlock()
|
|
|
|
o.observers = append(o.observers, c)
|
|
}
|
|
|
|
func (o *observable) notify(e int) {
|
|
o.Lock()
|
|
defer o.Unlock()
|
|
|
|
for _, v := range o.observers {
|
|
v <- e
|
|
}
|
|
|
|
o.observers = nil
|
|
}
|