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/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _CTFMERGE_H
#define	_CTFMERGE_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

/*
 * Merging structures used in ctfmerge.  See ctfmerge.c for locking semantics.
 */

#include <pthread.h>

#ifdef __cplusplus
extern "C" {
#endif

#include "ctftools.h"
#include "barrier.h"
#include "fifo.h"

typedef struct wip {
	pthread_mutex_t wip_lock;
	pthread_cond_t wip_cv;
	tdata_t *wip_td;
	int wip_nmerged;
	int wip_batchid;
} wip_t;

typedef struct workqueue {
	int wq_next_batchid;

	int wq_maxbatchsz;

	wip_t *wq_wip;
	int wq_nwipslots;
	int wq_nthreads;
	int wq_ithrottle;

	pthread_mutex_t wq_queue_lock;
	fifo_t *wq_queue;
	pthread_cond_t wq_work_avail;
	pthread_cond_t wq_work_removed;
	int wq_ninqueue;
	int wq_nextpownum;

	pthread_mutex_t wq_donequeue_lock;
	fifo_t *wq_donequeue;
	int wq_lastdonebatch;
	pthread_cond_t wq_done_cv;

	pthread_cond_t wq_alldone_cv; /* protected by queue_lock */
	int wq_alldone;

	int wq_nomorefiles;

	pthread_t *wq_thread;

	barrier_t wq_bar1;
	barrier_t wq_bar2;
} workqueue_t;

#ifdef __cplusplus
}
#endif

#endif /* _CTFMERGE_H */