mcs/class/referencesource/System/services/monitoring/system/diagnosticts/ThreadWaitReason.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="ThreadWaitReason.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 //------------------------------------------------------------------------------
   6
   7 namespace System.Diagnostics {
   8     using System.Threading;
   9
  10     using System.Diagnostics;
  11     /// <devdoc>
  12     ///     Specifies the reason a thread is waiting.
  13     /// </devdoc>
  14     public enum ThreadWaitReason {
  15
  16         /// <devdoc>
  17         ///     Thread is waiting for the scheduler.
  18         /// </devdoc>
  19         Executive,
  20
  21         /// <devdoc>
  22         ///     Thread is waiting for a free virtual memory page.
  23         /// </devdoc>
  24         FreePage,
  25
  26         /// <devdoc>
  27         ///     Thread is waiting for a virtual memory page to arrive in memory.
  28         /// </devdoc>
  29         PageIn,
  30
  31         /// <devdoc>
  32         ///     Thread is waiting for a system allocation.
  33         /// </devdoc>
  34         SystemAllocation,
  35
  36         /// <devdoc>
  37         ///     Thread execution is delayed.
  38         /// </devdoc>
  39         ExecutionDelay,
  40
  41         /// <devdoc>
  42         ///     Thread execution is suspended.
  43         /// </devdoc>
  44         Suspended,
  45
  46         /// <devdoc>
  47         ///     Thread is waiting for a user request.
  48         /// </devdoc>
  49         UserRequest,
  50
  51         /// <devdoc>
  52         ///     Thread is waiting for event pair high.
  53         /// </devdoc>
  54         EventPairHigh,
  55
  56         /// <devdoc>
  57         ///     Thread is waiting for event pair low.
  58         /// </devdoc>
  59         EventPairLow,
  60
  61         /// <devdoc>
  62         ///     Thread is waiting for a local procedure call to arrive.
  63         /// </devdoc>
  64         LpcReceive,
  65
  66         /// <devdoc>
  67         ///     Thread is waiting for reply to a local procedure call to arrive.
  68         /// </devdoc>
  69         LpcReply,
  70
  71         /// <devdoc>
  72         ///     Thread is waiting for virtual memory.
  73         /// </devdoc>
  74         VirtualMemory,
  75
  76         /// <devdoc>
  77         ///     Thread is waiting for a virtual memory page to be written to disk.
  78         /// </devdoc>
  79         PageOut,
  80
  81         /// <devdoc>
  82         ///     Thread is waiting for an unknown reason.
  83         /// </devdoc>
  84         Unknown
  85     }
  86 }