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/*
Copyright (c) 2008-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _EVENT_H_
#define _EVENT_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
struct event_pool;
struct event_ops;
struct event_data {
int fd;
int idx;
} __attribute__ ((__packed__, __may_alias__));
typedef int (*event_handler_t) (int fd, int idx, void *data,
int poll_in, int poll_out, int poll_err);
struct event_pool {
struct event_ops *ops;
int fd;
int breaker[2];
int count;
struct {
int fd;
int events;
void *data;
event_handler_t handler;
} *reg;
int used;
int idx_cache;
int changed;
pthread_mutex_t mutex;
pthread_cond_t cond;
void *evcache;
int evcache_size;
};
struct event_ops {
struct event_pool * (*new) (int count);
int (*event_register) (struct event_pool *event_pool, int fd,
event_handler_t handler,
void *data, int poll_in, int poll_out);
int (*event_select_on) (struct event_pool *event_pool, int fd, int idx,
int poll_in, int poll_out);
int (*event_unregister) (struct event_pool *event_pool, int fd, int idx);
int (*event_dispatch) (struct event_pool *event_pool);
};
struct event_pool * event_pool_new (int count);
int event_select_on (struct event_pool *event_pool, int fd, int idx,
int poll_in, int poll_out);
int event_register (struct event_pool *event_pool, int fd,
event_handler_t handler,
void *data, int poll_in, int poll_out);
int event_unregister (struct event_pool *event_pool, int fd, int idx);
int event_dispatch (struct event_pool *event_pool);
#endif /* _EVENT_H_ */
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