/usr/include/glusterfs/circ-buff.h is in glusterfs-common 3.13.2-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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.
*/
#ifndef _CB_H
#define _CB_H
#include "common-utils.h"
#include "logging.h"
#include "mem-types.h"
#define BUFFER_SIZE 10
#define TOTAL_SIZE BUFFER_SIZE + 1
struct _circular_buffer {
struct timeval tv;
void *data;
};
typedef struct _circular_buffer circular_buffer_t;
struct _buffer {
unsigned int w_index;
size_t size_buffer;
gf_boolean_t use_once;
/* This variable is assigned the proper value at the time of initing */
/* the buffer. It indicates, whether the buffer should be used once */
/* it becomes full. */
int used_len;
/* indicates the amount of circular buffer used. */
circular_buffer_t **cb;
void (*destroy_buffer_data) (void *data);
pthread_mutex_t lock;
};
typedef struct _buffer buffer_t;
int
cb_add_entry_buffer (buffer_t *buffer, void *item);
void
cb_buffer_show (buffer_t *buffer);
buffer_t *
cb_buffer_new (size_t buffer_size,gf_boolean_t use_buffer_once,
void (*destroy_data) (void *data));
void
cb_buffer_destroy (buffer_t *buffer);
void
cb_buffer_dump (buffer_t *buffer, void *data,
int (fn) (circular_buffer_t *buffer, void *data));
#endif /* _CB_H */
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