taskq_impl.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_TASKQ_IMPL_H
#define _SYS_TASKQ_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct taskq_bucket taskq_bucket_t;
typedef struct taskq_ent {
struct taskq_ent *tqent_next;
struct taskq_ent *tqent_prev;
void *tqent_arg;
} taskq_ent_t;
/*
* Taskq Statistics fields are not protected by any locks.
*/
typedef struct tqstat {
} tqstat_t;
/*
* Per-CPU hash bucket manages taskq_bent_t structures using freelist.
*/
struct taskq_bucket {
};
/*
* Bucket flags.
*/
#define TQBUCKET_CLOSE 0x01
#define TQBUCKET_SUSPEND 0x02
/*
* taskq implementation flags: bit range 16-31
*/
#define TASKQ_ACTIVE 0x00010000
#define TASKQ_SUSPENDED 0x00020000
#define TASKQ_NOINSTANCE 0x00040000
struct taskq {
int tq_active;
int tq_nthreads;
int tq_nalloc;
int tq_minalloc;
int tq_maxalloc;
int tq_maxsize;
int tq_instance;
union {
} tq_thr;
/*
* Statistics.
*/
int tq_tasks; /* Total # of tasks posted */
int tq_executed; /* Total # of tasks executed */
int tq_maxtasks; /* Max number of tasks in the queue */
int tq_tcreates;
int tq_tdeaths;
};
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TASKQ_IMPL_H */