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os: drop File finalizer after normal Close

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R=r
CC=golang-dev
https://golang.org/cl/586043
This commit is contained in:
Russ Cox 2010-03-19 16:28:32 -07:00
parent f4322a848d
commit b21f3137a4
1 changed files with 3 additions and 0 deletions
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3
src/pkg/os/file.go
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@ -97,6 +97,9 @@ func (file *File) Close() Error {
err = &PathError{"close", file.name, Errno(e)}
}
file.fd = -1 // so it can't be closed again
// no need for a finalizer anymore
runtime.SetFinalizer(file, nil)
return err
}