48 lines
483 B
Go
48 lines
483 B
Go
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package main
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import (
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"fmt"
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"os"
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"runtime"
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"time"
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)
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func finalizers() {
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f, err := os.Open("x.txt")
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select {}
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_ = f.Close()
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_, _ = f, err
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}
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type myX struct{}
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func (xx *myX) close() {
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fmt.Println("finalized")
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runtime.SetFinalizer(xx, (*myX).close)
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}
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var g any
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func finalizersMy() {
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xx := new(myX)
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runtime.SetFinalizer(xx, (*myX).close)
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for {
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g = make([]byte, 1<<20)
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time.Sleep(time.Second)
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xx = nil
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runtime.GC()
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}
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}
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func main() {
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finalizersMy()
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}
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