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21 lines
746 B
Go
21 lines
746 B
Go
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// Copyright (c) 2022 Tailscale Inc & 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 childproc allows other packages to register "tailscaled be-child"
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// child process hook code. This avoids duplicating build tags in the
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// tailscaled package. Instead, the code that needs to fork/exec the self
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// executable (when it's tailscaled) can instead register the code
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// they want to run.
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package childproc
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var Code = map[string]func([]string) error{}
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// Add registers code f to run as 'tailscaled be-child <typ> [args]'.
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func Add(typ string, f func(args []string) error) {
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if _, dup := Code[typ]; dup {
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panic("dup hook " + typ)
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}
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Code[typ] = f
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}
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