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20 lines
342 B
20 lines
342 B
package log |
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import ( |
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"golang.org/x/sys/unix" |
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"os" |
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"runtime" |
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) |
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var stdErrFileHandler *os.File |
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func dupWrite(file *os.File) error { |
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stdErrFileHandler = file |
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if err := unix.Dup2(int(file.Fd()), int(os.Stderr.Fd())); err != nil { |
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return err |
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} |
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runtime.SetFinalizer(stdErrFileHandler, func(fd *os.File) { |
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fd.Close() |
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}) |
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return nil |
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}
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