kc3-lang/angle/util/posix/Posix_system_utils.cpp

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• Hash : 5c798fe9
  Author :
  Date : 2015-05-25T10:03:35
  

  Enable OcclusionQueriesTest on Linux
  
  This includes an implementation of a cross platform Sleep function
  
  BUG=angleproject:892
  
  Change-Id: I1087a00ab204b37bafc5e95a9766962b194d97ef
  Reviewed-on: https://chromium-review.googlesource.com/273133
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Corentin Wallez <cwallez@chromium.org>
  

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• util/posix/Posix_system_utils.cpp

• //
  // Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // Posix_system_utils.cpp: Implementation of OS-specific functions for Posix systems
  
  #include "system_utils.h"
  
  #include <sched.h>
  #include <time.h>
  
  namespace angle
  {
  
  void Sleep(unsigned int milliseconds)
  {
      // On Windows Sleep(0) yields while it isn't guaranteed by Posix's sleep
      // so we replicate Windows' behavior with an explicit yield.
      if (milliseconds == 0)
      {
          sched_yield();
      }
      else
      {
          timespec sleepTime =
          {
              .tv_sec = milliseconds / 1000,
              .tv_nsec = (milliseconds % 1000) * 1000000,
          };
  
          nanosleep(&sleepTime, nullptr);
      }
  }
  
  } // namespace angle
  

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