poll functions

Data Structures
struct	pollfh

Functions
int	poll (pollfh fhs[], unsigned nfhs, int timeout)
	A mechanism to multiplex input/output over a set of file handles(file descriptors). More...

Detailed Description

Function Documentation

poll()

int poll	(	pollfh	fhs[],
		unsigned	nfhs,
		int	timeout
	)

A mechanism to multiplex input/output over a set of file handles(file descriptors).

For every file handle provided, poll() examines it for any events registered for that particular file handle.

Parameters

fhs	an array of PollFh struct carrying a FileHandle and bitmasks of events
nfhs	number of file handles
timeout	timer value to timeout or -1 for loop forever

Returns

number of file handles selected (for which revents is non-zero). 0 if timed out with nothing selected. -1 for error.