Thanks, Ian. On Wed, Mar 29, 2017 at 1:03 PM, Ian Lance Taylor <i...@golang.org> wrote: > On Wed, Mar 29, 2017 at 9:42 AM, Caleb Spare <cesp...@gmail.com> wrote: >> I have a question about this runtime.KeepAlive call: >> >> https://github.com/golang/go/blob/041ecb697f0e867a2bb0bf219cc2fd5f77057c2e/src/os/dir_unix.go#L68 >> >> (There are other examples in the stdlib as well, I think.) >> >> It seems to me that, strictly speaking, KeepAlive is unnecessary here >> since the compiler/runtime cannot know whether the loop will terminate >> before the result of the ReadDirent is seen. Is that true? >> >> I'm not arguing that the KeepAlive should be removed; it's probably >> best to stick with the pattern syscall(f.Fd(), ...); >> runtime.KeepAlive(f) in most cases. I'm just checking my understanding >> here. > > Yes, I think you are correct. > > Ian
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