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/*
  Copyright (c) 2007-2010 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 _TIMER_H
#define _TIMER_H

#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif

#include "glusterfs.h"
#include "xlator.h"
#include <sys/time.h>
#include <pthread.h>

typedef void (*gf_timer_cbk_t) (void *);

struct _gf_timer {
        struct _gf_timer *next, *prev;
        struct timeval    at;
        gf_timer_cbk_t    callbk;
        void             *data;
        xlator_t         *xl;
};

struct _gf_timer_registry {
        pthread_t        th;
        char             fin;
        struct _gf_timer stale;
        struct _gf_timer active;
        pthread_mutex_t  lock;
};

typedef struct _gf_timer gf_timer_t;
typedef struct _gf_timer_registry gf_timer_registry_t;

gf_timer_t *
gf_timer_call_after (glusterfs_ctx_t *ctx,
                     struct timeval delta,
                     gf_timer_cbk_t cbk,
                     void *data);

int32_t
gf_timer_call_cancel (glusterfs_ctx_t *ctx,
                      gf_timer_t *event);

void *
gf_timer_proc (void *data);

gf_timer_registry_t *
gf_timer_registry_init (glusterfs_ctx_t *ctx);

#endif /* _TIMER_H */