lib/libspl/gethrtime.c

   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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #include <time.h>
  28 #include <sys/time.h>
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31
  32 hrtime_t
  33 gethrtime(void)
  34 {
  35         struct timespec ts;
  36         int rc;
  37
  38         rc = clock_gettime(CLOCK_MONOTONIC, &ts);
  39         if (rc) {
  40                 fprintf(stderr, "Error: clock_gettime() = %d\n", rc);
  41                 abort();
  42         }
  43
  44         return ((((u_int64_t)ts.tv_sec) * NANOSEC) + ts.tv_nsec);
  45 }