The race detector detects races, like smoke detectors detect smoke and
water detectors detect water. Are you asking if the race detector is
broken? If its judgement is just a guess? Not a guess. A scientific
observation. Your code is not safe.
On Fri, Jul 5, 2019 at 7:53 AM Cholerae Hu <cholerae...@gmail.com> wrote:
> package main
>
> import (
> "sync/atomic"
> "sync"
> )
>
> func main() {
> var n int32
> var m sync.Mutex
> var wg sync.WaitGroup
> wg.Add(2)
> go func() {
> for {
> atomic.LoadInt32(&n)
> }
> wg.Done()
> }()
> go func() {
> for {
> m.Lock()
> n = 1
> m.Unlock()
> }
> wg.Done()
> }()
> wg.Wait()
> }
>
> Does it safe to use atomic read an int and write an int non-atomically but
> in lock concurrently? Race detector will report it data race.
>
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--
*Michael T. jonesmichael.jo...@gmail.com <michael.jo...@gmail.com>*
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