27 lines
890 B
Go
27 lines
890 B
Go
// Copyright 2020 Brad Fitzpatrick. 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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//go:build go1.21
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// +build go1.21
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package assume_no_moving_gc
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import (
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"os"
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"runtime"
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"strings"
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)
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func init() {
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dots := strings.SplitN(runtime.Version(), ".", 3)
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v := runtime.Version()
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if len(dots) >= 2 {
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v = dots[0] + "." + dots[1]
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}
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if os.Getenv(env) == v {
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return
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}
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panic("Something in this program imports go4.org/unsafe/assume-no-moving-gc to declare that it assumes a non-moving garbage collector, but your version of go4.org/unsafe/assume-no-moving-gc hasn't been updated to assert that it's safe against the " + v + " runtime. If you want to risk it, run with environment variable " + env + "=\"" + v + "\" set. Notably, if " + v + " adds a moving garbage collector, this program is unsafe to use.")
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}
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