`uv_prepare_t` — Prepare handle¶

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

Data types¶

void (*uv_prepare_cb)(uv_prepare_t* handle)¶: Type definition for callback passed to uv_prepare_start().

N/A

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