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/*
Copyright (c) 2006-2009 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 __IOT_H
#define __IOT_H
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "compat-errno.h"
#include "glusterfs.h"
#include "logging.h"
#include "dict.h"
#include "xlator.h"
#include "common-utils.h"
#include "list.h"
#include <stdlib.h>
#include "locking.h"
#include "iot-mem-types.h"
#include <semaphore.h>
struct iot_conf;
#define MAX_IDLE_SKEW 4 /* In secs */
#define skew_sec_idle_time(sec) ((sec) + (random () % MAX_IDLE_SKEW))
#define IOT_DEFAULT_IDLE 120 /* In secs. */
#define IOT_MIN_THREADS 1
#define IOT_DEFAULT_THREADS 8
#define IOT_MAX_THREADS 64
#define IOT_THREAD_STACK_SIZE ((size_t)(1024*1024))
struct iot_conf {
pthread_mutex_t mutex;
pthread_cond_t cond;
int32_t max_count; /* configured maximum */
int32_t curr_count; /* actual number of threads running */
int32_t sleep_count;
int32_t idle_time; /* in seconds */
struct list_head req;
int queue_size;
pthread_attr_t w_attr;
xlator_t *this;
};
typedef struct iot_conf iot_conf_t;
#endif /* __IOT_H */
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