// +build freebsd openbsd netbsd dragonfly linux package crash import ( "log" "os" "syscall" "github.com/pkg/errors" ) // CrashLog set crash log func CrashLog(file string) { f, err := os.OpenFile(file, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) if err != nil { log.Fatalf("open crash log file error. %v", errors.WithStack(err)) } else { syscall.Dup3(int(f.Fd()), 2, 0) } }