F_SETLKW64                    = 0x7
	F_SETLK_NBMAND                = 0x2a
	F_SETOWN                      = 0x18
	F_SHARE                       = 0x28
	F_SHARE_NBMAND                = 0x2b
	F_UNLCK                       = 0x3
	F_UNLKSYS                     = 0x4
	F_UNSHARE                     = 0x29
	F_WRACC                       = 0x2
	F_WRDNY                       = 0x2
	F_WRLCK                       = 0x2

		fcntl_cmd = F_SETLK
	case LOCK_EX | LOCK_NB:
		flock_type = F_WRLCK
		fcntl_cmd = F_SETLK
	case LOCK_EX:
		flock_type = F_WRLCK
		fcntl_cmd = F_SETLKW
	case LOCK_UN:
		flock_type = F_UNLCK
		fcntl_cmd = F_SETLKW
	default:
	}

	flock := Flock_t{
		Type:   int16(flock_type),
		Whence: int16(0),
		Start:  int64(0),
		Len:    int64(0),
		Pid:    int32(Getppid()),
	}