10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*8619SEthindra.Ramamurthy@Sun.COM * Common Development and Distribution License (the "License"). 6*8619SEthindra.Ramamurthy@Sun.COM * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 210Sstevel@tonic-gate /* 22*8619SEthindra.Ramamurthy@Sun.COM * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 230Sstevel@tonic-gate * Use is subject to license terms. 240Sstevel@tonic-gate */ 250Sstevel@tonic-gate 260Sstevel@tonic-gate #ifndef _SYS_SLEEPQ_H 270Sstevel@tonic-gate #define _SYS_SLEEPQ_H 280Sstevel@tonic-gate 290Sstevel@tonic-gate #include <sys/machlock.h> 300Sstevel@tonic-gate 310Sstevel@tonic-gate #ifdef __cplusplus 320Sstevel@tonic-gate extern "C" { 330Sstevel@tonic-gate #endif 340Sstevel@tonic-gate 350Sstevel@tonic-gate /* 360Sstevel@tonic-gate * Common definition for a sleep queue, 370Sstevel@tonic-gate * be it an old-style sleep queue, or 380Sstevel@tonic-gate * a constituent of a turnstile. 390Sstevel@tonic-gate */ 400Sstevel@tonic-gate 410Sstevel@tonic-gate typedef struct sleepq { 420Sstevel@tonic-gate struct _kthread *sq_first; 430Sstevel@tonic-gate } sleepq_t; 440Sstevel@tonic-gate 450Sstevel@tonic-gate /* 460Sstevel@tonic-gate * Definition of the head of a sleep queue hash bucket. 470Sstevel@tonic-gate */ 480Sstevel@tonic-gate typedef struct _sleepq_head { 490Sstevel@tonic-gate sleepq_t sq_queue; 500Sstevel@tonic-gate disp_lock_t sq_lock; 510Sstevel@tonic-gate } sleepq_head_t; 520Sstevel@tonic-gate 530Sstevel@tonic-gate #ifdef _KERNEL 540Sstevel@tonic-gate 55*8619SEthindra.Ramamurthy@Sun.COM #define NSLEEPQ 2048 560Sstevel@tonic-gate #define SQHASHINDEX(X) \ 57*8619SEthindra.Ramamurthy@Sun.COM ((((uintptr_t)(X) >> 2) ^ ((uintptr_t)(X) >> 13) ^ \ 58*8619SEthindra.Ramamurthy@Sun.COM ((uintptr_t)(X) >> 24)) & (NSLEEPQ - 1)) 590Sstevel@tonic-gate #define SQHASH(X) (&sleepq_head[SQHASHINDEX(X)]) 600Sstevel@tonic-gate 610Sstevel@tonic-gate extern sleepq_head_t sleepq_head[NSLEEPQ]; 620Sstevel@tonic-gate 630Sstevel@tonic-gate extern void sleepq_insert(sleepq_t *, struct _kthread *); 640Sstevel@tonic-gate extern struct _kthread *sleepq_wakeone_chan(sleepq_t *, void *); 650Sstevel@tonic-gate extern void sleepq_wakeall_chan(sleepq_t *, void *); 660Sstevel@tonic-gate extern void sleepq_unsleep(struct _kthread *); 670Sstevel@tonic-gate extern void sleepq_dequeue(struct _kthread *); 680Sstevel@tonic-gate extern void sleepq_unlink(struct _kthread **, struct _kthread *); 690Sstevel@tonic-gate 700Sstevel@tonic-gate #endif /* _KERNEL */ 710Sstevel@tonic-gate 720Sstevel@tonic-gate #ifdef __cplusplus 730Sstevel@tonic-gate } 740Sstevel@tonic-gate #endif 750Sstevel@tonic-gate 760Sstevel@tonic-gate #endif /* _SYS_SLEEPQ_H */ 77