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21 lines
331 B
21 lines
331 B
package log
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import (
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"os"
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"runtime"
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"syscall"
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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 := syscall.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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