| // Copyright 2025 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a MIT |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "os" |
| "runtime/pprof" |
| "sync" |
| "time" |
| ) |
| |
| func init() { |
| register("Kubernetes11298", Kubernetes11298) |
| } |
| |
| type Signal_kubernetes11298 <-chan struct{} |
| |
| func After_kubernetes11298(f func()) Signal_kubernetes11298 { |
| ch := make(chan struct{}) |
| go func() { |
| defer close(ch) |
| if f != nil { |
| f() |
| } |
| }() |
| return Signal_kubernetes11298(ch) |
| } |
| |
| func Until_kubernetes11298(f func(), period time.Duration, stopCh <-chan struct{}) { |
| if f == nil { |
| return |
| } |
| for { |
| select { |
| case <-stopCh: |
| return |
| default: |
| } |
| f() |
| select { |
| case <-stopCh: |
| case <-time.After(period): |
| } |
| } |
| |
| } |
| |
| type notifier_kubernetes11298 struct { |
| lock sync.Mutex |
| cond *sync.Cond |
| } |
| |
| // abort will be closed no matter what |
| func (n *notifier_kubernetes11298) serviceLoop(abort <-chan struct{}) { |
| n.lock.Lock() |
| defer n.lock.Unlock() |
| for { |
| select { |
| case <-abort: |
| return |
| default: |
| ch := After_kubernetes11298(func() { |
| n.cond.Wait() |
| }) |
| select { |
| case <-abort: |
| n.cond.Signal() |
| <-ch |
| return |
| case <-ch: |
| } |
| } |
| } |
| } |
| |
| // abort will be closed no matter what |
| func Notify_kubernetes11298(abort <-chan struct{}) { |
| n := ¬ifier_kubernetes11298{} |
| n.cond = sync.NewCond(&n.lock) |
| finished := After_kubernetes11298(func() { |
| Until_kubernetes11298(func() { |
| for { |
| select { |
| case <-abort: |
| return |
| default: |
| func() { |
| n.lock.Lock() |
| defer n.lock.Unlock() |
| n.cond.Signal() |
| }() |
| } |
| } |
| }, 0, abort) |
| }) |
| Until_kubernetes11298(func() { n.serviceLoop(finished) }, 0, abort) |
| } |
| func Kubernetes11298() { |
| prof := pprof.Lookup("goroutineleak") |
| defer func() { |
| time.Sleep(100 * time.Millisecond) |
| prof.WriteTo(os.Stdout, 2) |
| }() |
| |
| for i := 0; i < 1000; i++ { |
| go func() { |
| done := make(chan struct{}) |
| notifyDone := After_kubernetes11298(func() { Notify_kubernetes11298(done) }) |
| go func() { |
| defer close(done) |
| time.Sleep(300 * time.Nanosecond) |
| }() |
| <-notifyDone |
| }() |
| } |
| } |