So data race may occur in len(someChan) ? Channel len is volatile.
func reflect_chanlen(c *hchan) int {
if c == nil {
return 0
}
return int(c.qcount)
}
2016-06-27 11:58 GMT+08:00 Jan Mercl <0xj...@gmail.com>:
> On Mon, Jun 27, 2016 at 5:44 AM 苏沛 <sillyo...@gmail.com> wrote:
>
> Data race occurs when there are concurrent accesses to the same memory and
> at least one of them is a write. Channel capacity is never written to after
> a chan is created.
> --
>
> -j
>
--
苏沛
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