Function gnunet_sys::GNUNET_HELPER_wait

pub unsafe extern "C" fn GNUNET_HELPER_wait(
    h: *mut GNUNET_HELPER_Handle
) -> c_int

Reap the helper process. This call is blocking (!). The helper process should either be sent a termination signal before or should be dead before calling this function

@param h the helper handle @return #GNUNET_OK on success; #GNUNET_SYSERR on error