lib/libspl/include/sys/time.h

   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 http://www.opensolaris.org/os/licensing.
  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_next <sys/time.h>
  31 #include <sys/types.h>
  32
  33 #ifndef SEC
  34 #define SEC             1
  35 #endif
  36
  37 #ifndef MILLISEC
  38 #define MILLISEC        1000
  39 #endif
  40
  41 #ifndef MICROSEC
  42 #define MICROSEC        1000000
  43 #endif
  44
  45 #ifndef NANOSEC
  46 #define NANOSEC         1000000000
  47 #endif
  48
  49 #ifndef NSEC_PER_USEC
  50 #define NSEC_PER_USEC   1000L
  51 #endif
  52
  53 #ifndef MSEC2NSEC
  54 #define MSEC2NSEC(m)    ((hrtime_t)(m) * (NANOSEC / MILLISEC))
  55 #endif
  56
  57 #ifndef NSEC2MSEC
  58 #define NSEC2MSEC(n)    ((n) / (NANOSEC / MILLISEC))
  59 #endif
  60
  61 #ifndef USEC2NSEC
  62 #define USEC2NSEC(m)    ((hrtime_t)(m) * (NANOSEC / MICROSEC))
  63 #endif
  64
  65 #ifndef NSEC2SEC
  66 #define NSEC2SEC(n)     ((n) / (NANOSEC / SEC))
  67 #endif
  68
  69 #ifndef SEC2NSEC
  70 #define SEC2NSEC(m)     ((hrtime_t)(m) * (NANOSEC / SEC))
  71 #endif
  72
  73
  74 typedef long long               hrtime_t;
  75 typedef struct  timespec        timestruc_t;
  76 typedef struct  timespec        timespec_t;
  77
  78
  79 extern hrtime_t gethrtime(void);
  80 extern void gethrestime(timestruc_t *);
  81
  82 #endif /* _LIBSPL_SYS_TIME_H */