mirror of https://go.googlesource.com/go
33 lines
790 B
Go
33 lines
790 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package testpty
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import (
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"internal/syscall/unix"
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"os"
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"syscall"
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)
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func open() (pty *os.File, processTTY string, err error) {
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m, err := unix.PosixOpenpt(syscall.O_RDWR)
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if err != nil {
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return nil, "", ptyError("posix_openpt", err)
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}
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if err := unix.Grantpt(m); err != nil {
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syscall.Close(m)
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return nil, "", ptyError("grantpt", err)
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}
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if err := unix.Unlockpt(m); err != nil {
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syscall.Close(m)
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return nil, "", ptyError("unlockpt", err)
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}
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processTTY, err = unix.Ptsname(m)
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if err != nil {
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syscall.Close(m)
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return nil, "", ptyError("ptsname", err)
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}
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return os.NewFile(uintptr(m), "pty"), processTTY, nil
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}
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