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/*
Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include <sys/poll.h>
#include <pthread.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include "logging.h"
#include "event.h"
#include "mem-pool.h"
#include "common-utils.h"
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
struct event_pool *
event_pool_new (int count)
{
struct event_pool *event_pool = NULL;
extern struct event_ops event_ops_poll;
#ifdef HAVE_SYS_EPOLL_H
extern struct event_ops event_ops_epoll;
event_pool = event_ops_epoll.new (count);
if (event_pool) {
event_pool->ops = &event_ops_epoll;
} else {
gf_log ("event", GF_LOG_WARNING,
"falling back to poll based event handling");
}
#endif
if (!event_pool) {
event_pool = event_ops_poll.new (count);
if (event_pool)
event_pool->ops = &event_ops_poll;
}
return event_pool;
}
int
event_register (struct event_pool *event_pool, int fd,
event_handler_t handler,
void *data, int poll_in, int poll_out)
{
int ret = -1;
GF_VALIDATE_OR_GOTO ("event", event_pool, out);
ret = event_pool->ops->event_register (event_pool, fd, handler, data,
poll_in, poll_out);
out:
return ret;
}
int
event_unregister (struct event_pool *event_pool, int fd, int idx)
{
int ret = -1;
GF_VALIDATE_OR_GOTO ("event", event_pool, out);
ret = event_pool->ops->event_unregister (event_pool, fd, idx);
out:
return ret;
}
int
event_select_on (struct event_pool *event_pool, int fd, int idx_hint,
int poll_in, int poll_out)
{
int ret = -1;
GF_VALIDATE_OR_GOTO ("event", event_pool, out);
ret = event_pool->ops->event_select_on (event_pool, fd, idx_hint,
poll_in, poll_out);
out:
return ret;
}
int
event_dispatch (struct event_pool *event_pool)
{
int ret = -1;
GF_VALIDATE_OR_GOTO ("event", event_pool, out);
ret = event_pool->ops->event_dispatch (event_pool);
out:
return ret;
}
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