1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_TASKQ_H 28*0Sstevel@tonic-gate #define _SYS_TASKQ_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <sys/types.h> 33*0Sstevel@tonic-gate #include <sys/thread.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #ifdef __cplusplus 36*0Sstevel@tonic-gate extern "C" { 37*0Sstevel@tonic-gate #endif 38*0Sstevel@tonic-gate 39*0Sstevel@tonic-gate #define TASKQ_NAMELEN 31 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate typedef struct taskq taskq_t; 42*0Sstevel@tonic-gate typedef uintptr_t taskqid_t; 43*0Sstevel@tonic-gate typedef void (task_func_t)(void *); 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate /* 46*0Sstevel@tonic-gate * Public flags for taskq_create(): bit range 0-15 47*0Sstevel@tonic-gate */ 48*0Sstevel@tonic-gate #define TASKQ_PREPOPULATE 0x0001 /* Prepopulate with threads and data */ 49*0Sstevel@tonic-gate #define TASKQ_CPR_SAFE 0x0002 /* Use CPR safe protocol */ 50*0Sstevel@tonic-gate #define TASKQ_DYNAMIC 0x0004 /* Use dynamic thread scheduling */ 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* 53*0Sstevel@tonic-gate * Flags for taskq_dispatch. TQ_SLEEP/TQ_NOSLEEP should be same as 54*0Sstevel@tonic-gate * KM_SLEEP/KM_NOSLEEP. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate #define TQ_SLEEP 0x00 /* Can block for memory */ 57*0Sstevel@tonic-gate #define TQ_NOSLEEP 0x01 /* cannot block for memory; may fail */ 58*0Sstevel@tonic-gate #define TQ_NOQUEUE 0x02 /* Do not enqueue if can't dispatch */ 59*0Sstevel@tonic-gate #define TQ_NOALLOC 0x04 /* cannot allocate memory; may fail */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate #ifdef _KERNEL 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate extern taskq_t *system_taskq; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate extern void taskq_init(void); 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate extern taskq_t *taskq_create(const char *, int, pri_t, int, int, uint_t); 68*0Sstevel@tonic-gate extern taskq_t *taskq_create_instance(const char *, int, int, pri_t, int, 69*0Sstevel@tonic-gate int, uint_t); 70*0Sstevel@tonic-gate extern taskqid_t taskq_dispatch(taskq_t *, task_func_t, void *, uint_t); 71*0Sstevel@tonic-gate extern void nulltask(void *); 72*0Sstevel@tonic-gate extern void taskq_destroy(taskq_t *); 73*0Sstevel@tonic-gate extern void taskq_wait(taskq_t *); 74*0Sstevel@tonic-gate extern void taskq_suspend(taskq_t *); 75*0Sstevel@tonic-gate extern int taskq_suspended(taskq_t *); 76*0Sstevel@tonic-gate extern void taskq_resume(taskq_t *); 77*0Sstevel@tonic-gate extern int taskq_member(taskq_t *, kthread_t *); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #endif /* _KERNEL */ 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #ifdef __cplusplus 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate #endif 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate #endif /* _SYS_TASKQ_H */ 86