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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