35 lines
597 B
Go
35 lines
597 B
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package main
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import (
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"context"
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"os"
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"os/signal"
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)
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// NewCLIContext creates a context that can be canceled with Ctrl-C.
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func NewCLIContext(root context.Context) (context.Context, func()) {
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// trap Ctrl+C and call cancel on the context
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ctx, cancel := context.WithCancel(root)
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signals := make(chan os.Signal, 1)
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signal.Notify(signals, os.Interrupt)
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stop := func() {
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signal.Stop(signals)
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cancel()
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}
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go func() {
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select {
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case <-signals:
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stop()
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case <-ctx.Done():
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}
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}()
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return ctx, stop
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}
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