.. _check: :c:type:`uv_check_t` --- Check handle ===================================== Check handles will run the given callback once per loop iteration, right after polling for i/o. Data types ---------- .. c:type:: uv_check_t Check handle type. .. c:type:: void (*uv_check_cb)(uv_check_t* handle) Type definition for callback passed to :c:func:`uv_check_start`. Public members ^^^^^^^^^^^^^^ N/A .. seealso:: The :c:type:`uv_handle_t` members also apply. API --- .. c:function:: int uv_check_init(uv_loop_t* loop, uv_check_t* check) Initialize the handle. This function always succeeds. :returns: 0 .. c:function:: int uv_check_start(uv_check_t* check, uv_check_cb cb) Start the handle with the given callback. This function always succeeds, except when `cb` is `NULL`. :returns: 0 on success, or `UV_EINVAL` when `cb == NULL`. .. c:function:: int uv_check_stop(uv_check_t* check) Stop the handle, the callback will no longer be called. This function always succeeds. :returns: 0 .. seealso:: The :c:type:`uv_handle_t` API functions also apply.