kcondvar.h

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    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_ */

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FreeBSD/Linux Kernel Cross Reference sys/cddl/compat/opensolaris/sys/kcondvar.h

FreeBSD/Linux Kernel Cross Reference
sys/cddl/compat/opensolaris/sys/kcondvar.h