time.h

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    1 /*
    2  * CDDL HEADER START
    3  *
    4  * The contents of this file are subject to the terms of the
    5  * Common Development and Distribution License, Version 1.0 only
    6  * (the "License").  You may not use this file except in compliance
    7  * with the License.
    8  *
    9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   10  * or https://opensource.org/licenses/CDDL-1.0.
   11  * See the License for the specific language governing permissions
   12  * and limitations under the License.
   13  *
   14  * When distributing Covered Code, include this CDDL HEADER in each
   15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
   16  * If applicable, add the following below this CDDL HEADER, with the
   17  * fields enclosed by brackets "[]" replaced with your own identifying
   18  * information: Portions Copyright [yyyy] [name of copyright owner]
   19  *
   20  * CDDL HEADER END
   21  */
   22 /*
   23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
   24  * Use is subject to license terms.
   25  */
   26 
   27 #ifndef _LIBSPL_SYS_TIME_H
   28 #define _LIBSPL_SYS_TIME_H
   29 
   30 #include <time.h>
   31 #include <sys/types.h>
   32 #include_next <sys/time.h>
   33 
   34 #ifndef SEC
   35 #define SEC             1
   36 #endif
   37 
   38 #ifndef MILLISEC
   39 #define MILLISEC        1000
   40 #endif
   41 
   42 #ifndef MICROSEC
   43 #define MICROSEC        1000000
   44 #endif
   45 
   46 #ifndef NANOSEC
   47 #define NANOSEC         1000000000
   48 #endif
   49 
   50 #ifndef NSEC_PER_USEC
   51 #define NSEC_PER_USEC   1000L
   52 #endif
   53 
   54 #ifndef MSEC2NSEC
   55 #define MSEC2NSEC(m)    ((hrtime_t)(m) * (NANOSEC / MILLISEC))
   56 #endif
   57 
   58 #ifndef NSEC2MSEC
   59 #define NSEC2MSEC(n)    ((n) / (NANOSEC / MILLISEC))
   60 #endif
   61 
   62 #ifndef USEC2NSEC
   63 #define USEC2NSEC(m)    ((hrtime_t)(m) * (NANOSEC / MICROSEC))
   64 #endif
   65 
   66 #ifndef NSEC2USEC
   67 #define NSEC2USEC(n)    ((n) / (NANOSEC / MICROSEC))
   68 #endif
   69 
   70 #ifndef NSEC2SEC
   71 #define NSEC2SEC(n)     ((n) / (NANOSEC / SEC))
   72 #endif
   73 
   74 #ifndef SEC2NSEC
   75 #define SEC2NSEC(m)     ((hrtime_t)(m) * (NANOSEC / SEC))
   76 #endif
   77 
   78 typedef long long               hrtime_t;
   79 typedef struct timespec         timespec_t;
   80 typedef struct timespec         inode_timespec_t;
   81 
   82 static inline void
   83 gethrestime(inode_timespec_t *ts)
   84 {
   85         struct timeval tv;
   86         (void) gettimeofday(&tv, NULL);
   87         ts->tv_sec = tv.tv_sec;
   88         ts->tv_nsec = tv.tv_usec * NSEC_PER_USEC;
   89 }
   90 
   91 static inline uint64_t
   92 gethrestime_sec(void)
   93 {
   94         struct timeval tv;
   95         (void) gettimeofday(&tv, NULL);
   96         return (tv.tv_sec);
   97 }
   98 
   99 static inline hrtime_t
  100 gethrtime(void)
  101 {
  102         struct timespec ts;
  103         (void) clock_gettime(CLOCK_MONOTONIC, &ts);
  104         return ((((u_int64_t)ts.tv_sec) * NANOSEC) + ts.tv_nsec);
  105 }
  106 
  107 #endif /* _LIBSPL_SYS_TIME_H */

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FreeBSD/Linux Kernel Cross Reference sys/contrib/openzfs/lib/libspl/include/sys/time.h

FreeBSD/Linux Kernel Cross Reference
sys/contrib/openzfs/lib/libspl/include/sys/time.h