dotcloud/docker

//go:build linux || freebsd

package system // import "github.com/docker/docker/pkg/system"

import (
    "syscall"

    "golang.org/x/sys/unix"
)

// LUtimesNano is used to change access and modification time of the specified path.
// It's used for symbol link file because unix.UtimesNano doesn't support a NOFOLLOW flag atm.
func LUtimesNano(path string, ts []syscall.Timespec) error {
    uts := []unix.Timespec{
        unix.NsecToTimespec(syscall.TimespecToNsec(ts[0])),
        unix.NsecToTimespec(syscall.TimespecToNsec(ts[1])),
    }
    err := unix.UtimesNanoAt(unix.AT_FDCWD, path, uts, unix.AT_SYMLINK_NOFOLLOW)
    if err != nil && err != unix.ENOSYS {
        return err
    }

    return nil
}