netcore/System.Private.CoreLib/shared/System/DateTime.Win32.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 namespace System
   6 {
   7     public readonly partial struct DateTime
   8     {
   9         private static unsafe bool SystemSupportsLeapSeconds()
  10         {
  11             Interop.NtDll.SYSTEM_LEAP_SECOND_INFORMATION slsi;
  12
  13             return Interop.NtDll.NtQuerySystemInformation(
  14                 Interop.NtDll.SystemLeapSecondInformation,
  15                 (void*)&slsi,
  16                 sizeof(Interop.NtDll.SYSTEM_LEAP_SECOND_INFORMATION),
  17                 null) == 0 && slsi.Enabled;
  18         }
  19     }
  20 }