uv_prepare_t — Prepare handle

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

Data types


Prepare handle type.

void (*uv_prepare_cb)(uv_prepare_t* handle)

Type definition for callback passed to uv_prepare_start().

Public members


See also

The uv_handle_t members also apply.


int uv_prepare_init(uv_loop_t* loop, uv_prepare_t* prepare)

Initialize the handle. This function always succeeds.

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.


See also

The uv_handle_t API functions also apply.