// Log the panic under unix to the log file
// +build darwin dragonfly freebsd linux nacl netbsd openbsd
package main
import (
"log"
"os"
"syscall"
)
// redirectStderr to the file passed in
func redirectStderr(f *os.File) {
err := syscall.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
if err != nil {
log.Fatalf("Failed to redirect stderr to file: %v", err)
}