Файловый менеджер - Редактировать - /usr/local/go/test/fixedbugs/issue19182.go
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// run //go:build !js && !wasip1 // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package main import ( "fmt" "runtime" "sync/atomic" "time" ) var a uint64 = 0 func main() { runtime.GOMAXPROCS(2) // With just 1, infinite loop never yields go func() { for { atomic.AddUint64(&a, uint64(1)) } }() time.Sleep(10 * time.Millisecond) // Short sleep is enough in passing case i, val := 0, atomic.LoadUint64(&a) for ; val == 0 && i < 100; val, i = atomic.LoadUint64(&a), i+1 { time.Sleep(100 * time.Millisecond) } if val == 0 { fmt.Printf("Failed to observe atomic increment after %d tries\n", i) } }
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