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_SLEEPQ_H 28*0Sstevel@tonic-gate #define _SYS_SLEEPQ_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/machlock.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* 39*0Sstevel@tonic-gate * Common definition for a sleep queue, 40*0Sstevel@tonic-gate * be it an old-style sleep queue, or 41*0Sstevel@tonic-gate * a constituent of a turnstile. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate typedef struct sleepq { 45*0Sstevel@tonic-gate struct _kthread *sq_first; 46*0Sstevel@tonic-gate } sleepq_t; 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate /* 49*0Sstevel@tonic-gate * Definition of the head of a sleep queue hash bucket. 50*0Sstevel@tonic-gate */ 51*0Sstevel@tonic-gate typedef struct _sleepq_head { 52*0Sstevel@tonic-gate sleepq_t sq_queue; 53*0Sstevel@tonic-gate disp_lock_t sq_lock; 54*0Sstevel@tonic-gate } sleepq_head_t; 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate #ifdef _KERNEL 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #define NSLEEPQ 512 59*0Sstevel@tonic-gate #define SQHASHINDEX(X) \ 60*0Sstevel@tonic-gate (((uintptr_t)(X) >> 2) + ((uintptr_t)(X) >> 9) & (NSLEEPQ - 1)) 61*0Sstevel@tonic-gate #define SQHASH(X) (&sleepq_head[SQHASHINDEX(X)]) 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate extern sleepq_head_t sleepq_head[NSLEEPQ]; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate extern void sleepq_insert(sleepq_t *, struct _kthread *); 66*0Sstevel@tonic-gate extern struct _kthread *sleepq_wakeone_chan(sleepq_t *, void *); 67*0Sstevel@tonic-gate extern void sleepq_wakeall_chan(sleepq_t *, void *); 68*0Sstevel@tonic-gate extern void sleepq_unsleep(struct _kthread *); 69*0Sstevel@tonic-gate extern void sleepq_dequeue(struct _kthread *); 70*0Sstevel@tonic-gate extern void sleepq_unlink(struct _kthread **, struct _kthread *); 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate #endif /* _KERNEL */ 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #ifdef __cplusplus 75*0Sstevel@tonic-gate } 76*0Sstevel@tonic-gate #endif 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate #endif /* _SYS_SLEEPQ_H */ 79