containerd/utils/socket.go

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package utils
import (
"net"
"os"
"path/filepath"
"syscall"
)
// CreateUnixSocket creates a unix socket and returns the listener
func CreateUnixSocket(path string) (net.Listener, error) {
if err := os.MkdirAll(filepath.Dir(path), 0660); err != nil {
return nil, err
}
if err := syscall.Unlink(path); err != nil && !os.IsNotExist(err) {
return nil, err
}
return net.Listen("unix", path)
}