b1a45c2aee
Move io copy logic from ctr utils to io_windows.go. Fix compilation errors on Windows. Signed-off-by: Derek McGowan <derek@mcgstyle.net>
72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
// +build !windows
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package containerd
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import (
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"context"
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"io"
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"sync"
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"syscall"
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"github.com/containerd/fifo"
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)
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func copyIO(fifos *fifoSet, ioset *ioSet, tty bool) (closer io.Closer, err error) {
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var (
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f io.ReadWriteCloser
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ctx = context.Background()
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wg = &sync.WaitGroup{}
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)
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if f, err = fifo.OpenFifo(ctx, fifos.in, syscall.O_WRONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
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return nil, err
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}
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defer func(c io.Closer) {
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if err != nil {
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c.Close()
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}
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}(f)
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go func(w io.WriteCloser) {
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io.Copy(w, ioset.in)
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w.Close()
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}(f)
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if f, err = fifo.OpenFifo(ctx, fifos.out, syscall.O_RDONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
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return nil, err
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}
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defer func(c io.Closer) {
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if err != nil {
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c.Close()
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}
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}(f)
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wg.Add(1)
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go func(r io.ReadCloser) {
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io.Copy(ioset.out, r)
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r.Close()
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wg.Done()
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}(f)
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if f, err = fifo.OpenFifo(ctx, fifos.err, syscall.O_RDONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
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return nil, err
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}
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defer func(c io.Closer) {
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if err != nil {
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c.Close()
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}
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}(f)
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if !tty {
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wg.Add(1)
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go func(r io.ReadCloser) {
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io.Copy(ioset.err, r)
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r.Close()
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wg.Done()
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}(f)
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}
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return &wgCloser{
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wg: wg,
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dir: fifos.dir,
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}, nil
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}
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