io.c File Reference

Descriptor backend, capable of watching files, sockets, pipes, etc. More...

#include <errno.h>
#include "uev.h"

Include dependency graph for io.c:

Functions
int	uev_io_init (uev_ctx_t *ctx, uev_t *w, uev_cb_t *cb, void *arg, int fd, int events)
	Create an I/O watcher. More...
int	uev_io_set (uev_t *w, int fd, int events)
	Reset an I/O watcher. More...
int	uev_io_start (uev_t *w)
	Start an I/O watcher. More...
int	uev_io_stop (uev_t *w)
	Stop an I/O watcher. More...

Detailed Description

Descriptor backend, capable of watching files, sockets, pipes, etc.

Function Documentation

uev_io_init()

int uev_io_init	(	uev_ctx_t *	ctx,
		uev_t *	w,
		uev_cb_t *	cb,
		void *	arg,
		int	fd,
		int	events
	)

Create an I/O watcher.

Parameters

ctx	A valid libuEv context
w	Pointer to an uev_t watcher
cb	I/O callback
arg	Optional callback argument
fd	File descriptor to watch, or -1 to register an empty watcher
events	Events to watch for: UEV_READ, UEV_WRITE, UEV_EDGE, UEV_ONESHOT

Returns

POSIX OK(0) or non-zero with errno set on error.

uev_io_set()

int uev_io_set	(	uev_t *	w,
		int	fd,
		int	events
	)

Reset an I/O watcher.

Parameters

w	Pointer to an uev_t watcher
fd	New file descriptor to monitor
events	Requested events to watch for, a mask of UEV_READ and UEV_WRITE

Returns

POSIX OK(0) or non-zero with errno set on error.

uev_io_start()

int uev_io_start

(

uev_t *

w

)

Start an I/O watcher.

Parameters

w	Watcher to start (again)

Returns

POSIX OK(0) or non-zero with errno set on error.

uev_io_stop()

int uev_io_stop

(

uev_t *

w

)

Stop an I/O watcher.

Parameters

w	Watcher to stop

Returns

POSIX OK(0) or non-zero with errno set on error.