1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* 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>
#include <sys/thread.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;
struct timeout_task tqent_timeout_task;
int tqent_type;
int tqent_gen;
} 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 */
#define TASKQID_INVALID ((taskqid_t)0)
#define taskq_init_ent(x)
extern taskq_t *system_taskq;
/* Global dynamic task queue for long delay */
extern taskq_t *system_delay_taskq;
extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t);
extern taskqid_t taskq_dispatch_delay(taskq_t *, task_func_t, void *,
uint_t, clock_t);
extern void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t,
taskq_ent_t *);
extern int taskq_empty_ent(taskq_ent_t *);
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);
void nulltask(void *);
extern void taskq_destroy(taskq_t *);
extern void taskq_wait_id(taskq_t *, taskqid_t);
extern void taskq_wait_outstanding(taskq_t *, taskqid_t);
extern void taskq_wait(taskq_t *);
extern int taskq_cancel_id(taskq_t *, taskqid_t);
extern int taskq_member(taskq_t *, kthread_t *);
extern taskq_t *taskq_of_curthread(void);
void taskq_suspend(taskq_t *);
int taskq_suspended(taskq_t *);
void taskq_resume(taskq_t *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_TASKQ_H */
|
