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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2008-2010 VMware, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. /**
  29.  * @file
  30.  * OS independent time-manipulation functions.
  31.  *
  32.  * @author Jose Fonseca <jfonseca@vmware.com>
  33.  */
  34.  
  35.  
  36. #include "pipe/p_config.h"
  37.  
  38. #  include <time.h> /* timeval */
  39. #  include <sys/time.h> /* timeval */
  40.  
  41. #include "os_time.h"
  42.  
  43.  
  44. int64_t
  45. os_time_get_nano(void)
  46. {
  47.    struct timeval tv;
  48.    gettimeofday(&tv, NULL);
  49. }
  50.  
  51.  
  52. #if defined(PIPE_SUBSYSTEM_WINDOWS_USER)
  53.  
  54. void
  55. os_time_sleep(int64_t usecs)
  56. {
  57.    DWORD dwMilliseconds = (DWORD) ((usecs + 999) / 1000);
  58.    /* Avoid Sleep(O) as that would cause to sleep for an undetermined duration */
  59.    if (dwMilliseconds) {
  60.       Sleep(dwMilliseconds);
  61.    }
  62. }
  63.  
  64. #endif
  65.  
  66. void
  67. os_time_sleep(int64_t usecs)
  68. {
  69.  
  70. }
  71.