diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/sys/taskq.h')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/sys/taskq.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/sys/taskq.h b/sys/cddl/contrib/opensolaris/uts/common/sys/taskq.h new file mode 100644 index 0000000..1d8bfd6 --- /dev/null +++ b/sys/cddl/contrib/opensolaris/uts/common/sys/taskq.h @@ -0,0 +1,105 @@ +/* + * 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 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_TASKQ_H +#define _SYS_TASKQ_H + +#include <sys/types.h> +#include <sys/proc.h> +#include <sys/taskqueue.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define TASKQ_NAMELEN 31 + +struct taskqueue; +struct taskq { + struct taskqueue *tq_queue; +}; + +typedef struct taskq taskq_t; +typedef uintptr_t taskqid_t; +typedef void (task_func_t)(void *); + +typedef struct taskq_ent { + struct task tqent_task; + task_func_t *tqent_func; + void *tqent_arg; +} taskq_ent_t; + +struct proc; + +/* + * Public flags for taskq_create(): bit range 0-15 + */ +#define TASKQ_PREPOPULATE 0x0001 /* Prepopulate with threads and data */ +#define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ +#define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ +#define TASKQ_THREADS_CPU_PCT 0x0008 /* number of threads as % of ncpu */ +#define TASKQ_DC_BATCH 0x0010 /* Taskq uses SDC in batch mode */ + +/* + * Flags for taskq_dispatch. TQ_SLEEP/TQ_NOSLEEP should be same as + * KM_SLEEP/KM_NOSLEEP. + */ +#define TQ_SLEEP 0x00 /* Can block for memory */ +#define TQ_NOSLEEP 0x01 /* cannot block for memory; may fail */ +#define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ +#define TQ_NOALLOC 0x04 /* cannot allocate memory; may fail */ +#define TQ_FRONT 0x08 /* Put task at the front of the queue */ + +#ifdef _KERNEL + +extern taskq_t *system_taskq; + +void taskq_init(void); +void taskq_mp_init(void); + +taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); +taskq_t *taskq_create_instance(const char *, int, int, pri_t, int, int, uint_t); +taskq_t *taskq_create_proc(const char *, int, pri_t, int, int, + struct proc *, uint_t); +taskq_t *taskq_create_sysdc(const char *, int, int, int, + struct proc *, uint_t, uint_t); +taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); +void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, + taskq_ent_t *); +void nulltask(void *); +void taskq_destroy(taskq_t *); +void taskq_wait(taskq_t *); +void taskq_suspend(taskq_t *); +int taskq_suspended(taskq_t *); +void taskq_resume(taskq_t *); +int taskq_member(taskq_t *, kthread_t *); + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_TASKQ_H */ |
