Privatae
20 lines
484 B
Go
20 lines
484 B
Go
//go:build !windows
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package main
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import (
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"io"
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"os"
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)
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// openControllingTerminal opens /dev/tty, this process's controlling terminal
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// whatever its standard input is. It fails with no terminal (a service, a
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// pipe from `ssh host cmd` without -t, cron).
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func openControllingTerminal() (io.Reader, io.Writer, func(), error) {
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f, err := os.OpenFile("/dev/tty", os.O_RDWR, 0)
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if err != nil {
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return nil, nil, nil, errNoTerminal
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}
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return f, f, func() { _ = f.Close() }, nil
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}
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