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package proc
import (
"os"
"os/exec"
)
func ExtraFile(cmd *exec.Cmd, f *os.File) (fd uintptr) {
return ExtraFileSlice(&cmd.ExtraFiles, f)
}
func ExtraFileSlice(extraFiles *[]*os.File, f *os.File) (fd uintptr) {
// ExtraFiles: If non-nil, entry i becomes file descriptor 3+i.
fd = uintptr(3 + len(*extraFiles))
*extraFiles = append(*extraFiles, f)
return
}
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