| // 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. | |
| /* | |
| * Project: cockroach | |
| * Issue or PR : https://github.com/cockroachdb/cockroach/pull/13755 | |
| * Buggy version: 7acb881bbb8f23e87b69fce9568d9a3316b5259c | |
| * fix commit-id: ef906076adc1d0e3721944829cfedfed51810088 | |
| * Flaky: 100/100 | |
| */ | |
| package main | |
| import ( | |
| "context" | |
| "os" | |
| "runtime" | |
| "runtime/pprof" | |
| ) | |
| func init() { | |
| register("Cockroach13755", Cockroach13755) | |
| } | |
| type Rows_cockroach13755 struct { | |
| cancel context.CancelFunc | |
| } | |
| func (rs *Rows_cockroach13755) initContextClose(ctx context.Context) { | |
| ctx, rs.cancel = context.WithCancel(ctx) | |
| go rs.awaitDone(ctx) | |
| } | |
| func (rs *Rows_cockroach13755) awaitDone(ctx context.Context) { | |
| <-ctx.Done() | |
| rs.close(ctx.Err()) | |
| } | |
| func (rs *Rows_cockroach13755) close(err error) { | |
| rs.cancel() | |
| } | |
| // Example of goroutine leak trace: | |
| // | |
| // G1 G2 | |
| //---------------------------------------- | |
| // initContextClose() | |
| // . awaitDone() | |
| // <<done>> . | |
| // <-tx.ctx.Done() | |
| //----------------G2 leak----------------- | |
| func Cockroach13755() { | |
| prof := pprof.Lookup("goroutineleak") | |
| defer func() { | |
| // Yield several times to allow the child goroutine to run. | |
| for i := 0; i < yieldCount; i++ { | |
| runtime.Gosched() | |
| } | |
| prof.WriteTo(os.Stdout, 2) | |
| }() | |
| rs := &Rows_cockroach13755{} | |
| rs.initContextClose(context.Background()) | |
| } | |