mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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b5dd78da3d
Main upgrades: - github.com/opencontainers/runc v1.0.0-rc93 - github.com/containerd/containerd v1.4.4 - github.com/docker/docker v20.10.2 - github.com/mrunalp/fileutils v0.5.0 - github.com/opencontainers/selinux v1.8.0 - github.com/cilium/ebpf v0.2.0
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package console
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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)
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const (
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cmdTcGet = unix.TIOCGETA
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cmdTcSet = unix.TIOCSETA
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)
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// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
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// unlockpt should be called before opening the slave side of a pty.
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func unlockpt(f *os.File) error {
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return unix.IoctlSetPointerInt(int(f.Fd()), unix.TIOCPTYUNLK, 0)
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}
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// ptsname retrieves the name of the first available pts for the given master.
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func ptsname(f *os.File) (string, error) {
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n, err := unix.IoctlGetInt(int(f.Fd()), unix.TIOCPTYGNAME)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("/dev/pts/%d", n), nil
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}
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