poll.c File Reference

Select, poll wrapper. More...

#include <assert.h>
#include <string.h>
#include <errno.h>
#include <yaz/log.h>
#include <yaz/xmalloc.h>
#include <yaz/poll.h>

Go to the source code of this file.

Functions
int	yaz_poll_select (struct yaz_poll_fd *fds, int num_fds, int sec, int nsec)
int	yaz_poll (struct yaz_poll_fd *fds, int num_fds, int sec, int nsec)
	poll wrapper for poll or select

Detailed Description

Select, poll wrapper.

Definition in file poll.c.

Function Documentation

yaz_poll()

int yaz_poll	(	struct yaz_poll_fd *	fds,
		int	num_fds,
		int	sec,
		int	nsec
	)

poll wrapper for poll or select

Parameters

fds	array of sockets to be polled
num_fds	size of fds array (number of sockets)
sec	number of seconds to wait (-1 for no timeout)
nsec	nano seconds to wait

Return values

-1	error
0	timeout
>0	event occur on one or more sockets

This functions calls yaz_poll_poll on systems where poll is available and yaz_poll_select where it it unavailable.

Definition at line 161 of file poll.c.

References yaz_poll_select().

Referenced by iochan_event_loop(), iochan_is_alive(), yaz_url_exec(), and ZOOM_event_sys_yaz_poll().

yaz_poll_select()

int yaz_poll_select	(	struct yaz_poll_fd *	fds,
		int	num_fds,
		int	sec,
		int	nsec
	)

Definition at line 52 of file poll.c.

References yaz_poll_fd::fd, yaz_poll_fd::input_mask, mask, yaz_poll_fd::output_mask, yaz_poll_add, yaz_poll_except, yaz_poll_none, yaz_poll_read, yaz_poll_timeout, and yaz_poll_write.

Referenced by yaz_poll().