Function

GLibPollFunc

Declaration

gint
(* GPollFunc) (
  GPollFD* ufds,
  guint nfsd,
  gint timeout_
)

Description

Specifies the type of function passed to g_main_context_set_poll_func(). The semantics of the function should match those of the poll() system call.

Parameters

`ufds`	`GPollFD`
	An array of `GPollFD` elements.
	The data is owned by the caller of the function.
`nfsd`	`guint`
	The number of elements in `ufds`.
`timeout_`	`gint`
	The maximum time to wait for an event of the file descriptors. A negative value indicates an infinite timeout.

Return value

Returns:	`gint`
	The number of `GPollFD` elements which have events or errors reported, or -1 if an error occurred.