feat: Host environment (#1293)

pkg/container/util_plan9.go

@@ -0,0 +1,17 @@
+package container
+
+import (
+	"errors"
+	"os"
+	"syscall"
+)
+
+func getSysProcAttr(cmdLine string, tty bool) *syscall.SysProcAttr {
+	return &syscall.SysProcAttr{
+		Rfork: syscall.RFNOTEG,
+	}
+}
+
+func openPty() (*os.File, *os.File, error) {
+	return nil, nil, errors.New("Unsupported")
+}