uv_prepare_t — Prepare handle

Prepare handles will run the given callback once per loop iteration, right before polling for i/o.

Data types

type uv_prepare_t

Prepare handle type.

typedef void (*uv_prepare_cb)(uv_prepare_t *handle)

Type definition for callback passed to uv_prepare_start().

Public members

N/A

See also

The uv_handle_t members also apply.

API

int uv_prepare_init(uv_loop_t *loop, uv_prepare_t *prepare)

Initialize the handle. This function always succeeds.

Returns:

0

int uv_prepare_start(uv_prepare_t *prepare, uv_prepare_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.

int uv_prepare_stop(uv_prepare_t *prepare)

Stop the handle, the callback will no longer be called. This function always succeeds.

Returns:

0

See also

The uv_handle_t API functions also apply.