1 /*- 2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org> 3 * Copyright (c) 2013 iXsystems, Inc. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _OPENSOLARIS_SYS_CONDVAR_H_ 31 #define _OPENSOLARIS_SYS_CONDVAR_H_ 32 33 #include <sys/param.h> 34 #include <sys/proc.h> 35 36 #ifdef _KERNEL 37 38 #include <sys/mutex.h> 39 #include <sys/condvar.h> 40 #include <sys/time.h> 41 42 typedef struct cv kcondvar_t; 43 44 typedef enum { 45 CV_DEFAULT, 46 CV_DRIVER 47 } kcv_type_t; 48 49 #define zfs_cv_init(cv, name, type, arg) do { \ 50 const char *_name; \ 51 ASSERT((type) == CV_DEFAULT); \ 52 for (_name = #cv; *_name != '\0'; _name++) { \ 53 if (*_name >= 'a' && *_name <= 'z') \ 54 break; \ 55 } \ 56 if (*_name == '\0') \ 57 _name = #cv; \ 58 cv_init((cv), _name); \ 59 } while (0) 60 #define cv_init(cv, name, type, arg) zfs_cv_init(cv, name, type, arg) 61 62 static clock_t 63 cv_timedwait_hires(kcondvar_t *cvp, kmutex_t *mp, hrtime_t tim, hrtime_t res, 64 int flag) 65 { 66 67 return (cv_timedwait_sbt(cvp, mp, nstosbt(tim), nstosbt(res), 0)); 68 } 69 70 #endif /* _KERNEL */ 71 72 #endif /* _OPENSOLARIS_SYS_CONDVAR_H_ */ 73