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moby--moby/libcontainerd/process_windows.go

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package libcontainerd // import "github.com/docker/docker/libcontainerd"
import (
"io"
"sync"
"github.com/Microsoft/hcsshim"
"github.com/docker/docker/pkg/ioutils"
)
type autoClosingReader struct {
io.ReadCloser
sync.Once
}
func (r *autoClosingReader) Read(b []byte) (n int, err error) {
n, err = r.ReadCloser.Read(b)
if err != nil {
r.Once.Do(func() { r.ReadCloser.Close() })
}
return
}
func createStdInCloser(pipe io.WriteCloser, process hcsshim.Process) io.WriteCloser {
return ioutils.NewWriteCloserWrapper(pipe, func() error {
if err := pipe.Close(); err != nil {
return err
}
err := process.CloseStdin()
if err != nil && !hcsshim.IsNotExist(err) && !hcsshim.IsAlreadyClosed(err) {
// This error will occur if the compute system is currently shutting down
if perr, ok := err.(*hcsshim.ProcessError); ok && perr.Err != hcsshim.ErrVmcomputeOperationInvalidState {
return err
}
}
return nil
})
}
func (p *process) Cleanup() error {
return nil
}