1168404Spjd/*- 2168404Spjd * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3260754Savg * Copyright (c) 2013 iXsystems, Inc. 4168404Spjd * All rights reserved. 5168404Spjd * 6168404Spjd * Redistribution and use in source and binary forms, with or without 7168404Spjd * modification, are permitted provided that the following conditions 8168404Spjd * are met: 9168404Spjd * 1. Redistributions of source code must retain the above copyright 10168404Spjd * notice, this list of conditions and the following disclaimer. 11168404Spjd * 2. Redistributions in binary form must reproduce the above copyright 12168404Spjd * notice, this list of conditions and the following disclaimer in the 13168404Spjd * documentation and/or other materials provided with the distribution. 14168404Spjd * 15168404Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16168404Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17168404Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18168404Spjd * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19168404Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20168404Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21168404Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22168404Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23168404Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24168404Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25168404Spjd * SUCH DAMAGE. 26168404Spjd * 27168404Spjd * $FreeBSD$ 28168404Spjd */ 29168404Spjd 30168404Spjd#ifndef _OPENSOLARIS_SYS_CONDVAR_H_ 31168404Spjd#define _OPENSOLARIS_SYS_CONDVAR_H_ 32168404Spjd 33168404Spjd#include <sys/param.h> 34168404Spjd#include <sys/proc.h> 35168404Spjd 36168404Spjd#ifdef _KERNEL 37168404Spjd 38168404Spjd#include <sys/mutex.h> 39168404Spjd#include <sys/condvar.h> 40260754Savg#include <sys/kernel.h> 41260754Savg#include <sys/time.h> 42168404Spjd 43168404Spjdtypedef struct cv kcondvar_t; 44168404Spjd 45168404Spjdtypedef enum { 46168404Spjd CV_DEFAULT, 47168404Spjd CV_DRIVER 48168404Spjd} kcv_type_t; 49168404Spjd 50168404Spjd#define zfs_cv_init(cv, name, type, arg) do { \ 51173371Spjd const char *_name; \ 52168404Spjd ASSERT((type) == CV_DEFAULT); \ 53173371Spjd for (_name = #cv; *_name != '\0'; _name++) { \ 54173371Spjd if (*_name >= 'a' && *_name <= 'z') \ 55173371Spjd break; \ 56173371Spjd } \ 57173371Spjd if (*_name == '\0') \ 58173371Spjd _name = #cv; \ 59173371Spjd cv_init((cv), _name); \ 60168404Spjd} while (0) 61168404Spjd#define cv_init(cv, name, type, arg) zfs_cv_init((cv), (name), (type), (arg)) 62168404Spjd 63260754Savgstatic clock_t 64260754Savgcv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, hrtime_t res, 65260754Savg int flag) 66260754Savg{ 67260754Savg /* XXX real hires is not available. */ 68260754Savg 69260754Savg /* We do not attempt to support any flags yet. */ 70260754Savg ASSERT(flag == 0); 71260754Savg 72260754Savg return (cv_timedwait(cvp, mp, NSEC_TO_TICK(tim))); 73260754Savg} 74260754Savg 75168404Spjd#endif /* _KERNEL */ 76168404Spjd 77168404Spjd#endif /* _OPENSOLARIS_SYS_CONDVAR_H_ */ 78