package main
import "runtime"
var a int
func calc() {
for i := 0; i < 10; i++ {
go func() {
for {
runtime.RaceDisable()
a++
runtime.RaceEnable()
}
}()
}
}
func main() {
calc()
}
go run -race a.go
在 2018年8月22日星期三 UTC+8下午10:34:35，Ian Lance Taylor写道：
>
> On Wed, Aug 22, 2018 at 3:25 AM, <nea...@gmail.com <javascript:>> wrote:
> >
> > When I copy the sync.Pool's source code in a repo, and using
> `//go:linkname`
> > link those runtime functions manually.
> > When I run `go test -race`, it reports `DATA RACE`.
> > But the sync.Pool with the same test case does not report `DATA RACE`.
> >
> > Does runtime.RaceDisable not work in non-std library ?
>
> It should work. I think you'll have to show us your code.
>
> Ian
>
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