// setup standard pipes so that the TTY of the calling runc process
// is not inherited by the container.
func createStdioPipes(p *libcontainer.Process, rootuid int) (*tty, error) {
i, err := p.InitializeIO(rootuid)
if err != nil {
return nil, err
}
t := &tty{
closers: []io.Closer{
i.Stdin,
i.Stdout,
i.Stderr,
},
}
// add the process's io to the post start closers if they support close
for _, cc := range []interface{}{
p.Stdin,
p.Stdout,
p.Stderr,
} {
if c, ok := cc.(io.Closer); ok {
t.postStart = append(t.postStart, c)
}
}
go func() {
io.Copy(i.Stdin, os.Stdin)
i.Stdin.Close()
}()
t.wg.Add(2)
go t.copyIO(os.Stdout, i.Stdout)
go t.copyIO(os.Stderr, i.Stderr)
return t, nil
}
// setup standard pipes so that the TTY of the calling runc process
// is not inherited by the container.
func createStdioPipes(p *libcontainer.Process, rootuid int) (*tty, error) {
i, err := p.InitializeIO(rootuid)
if err != nil {
return nil, err
}
t := &tty{
closers: []io.Closer{
i.Stdin,
i.Stdout,
i.Stderr,
},
}
go io.Copy(i.Stdin, os.Stdin)
go io.Copy(os.Stdout, i.Stdout)
go io.Copy(os.Stderr, i.Stderr)
return t, nil
}