vendor: github.com/containerd/console 8f6c4e4

full diff: https://github.com/containerd/console/compare/v1.0.3...8f6c4e4faef5a326d2cd907097d04c0239ee5e2f

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

vendor/github.com/containerd/console/pty_zos.go

@@ -0,0 +1,43 @@
+//go:build zos
+// +build zos
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package console
+
+import (
+	"fmt"
+	"os"
+)
+
+// openpt allocates a new pseudo-terminal by opening the first available /dev/ptypXX device
+func openpt() (*os.File, error) {
+	var f *os.File
+	var err error
+	for i := 0; ; i++ {
+		ptyp := fmt.Sprintf("/dev/ptyp%04d", i)
+		f, err = os.OpenFile(ptyp, os.O_RDWR, 0600)
+		if err == nil {
+			break
+		}
+		if os.IsNotExist(err) {
+			return nil, err
+		}
+		// else probably Resource Busy
+	}
+	return f, nil
+}