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

Type: GPollFD

An array of GPollFD elements.

The data is owned by the caller of the function.

nfsd

Type: guint

The number of elements in ufds.

timeout_

Type: gint

The maximum time to wait for an event of the file descriptors. A negative value indicates an infinite timeout.

Return value

Type: gint

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