QueryLifecycle.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Core / System / Linq / Parallel / Scheduling / QueryLifecycle.cs / 1305376 / QueryLifecycle.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
// =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
// 
// QueryLifecycle.cs 
//
// [....] 
//
// A convenient place to put things associated with entire queries and their lifecycle events.
//
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 

using System.Diagnostics; 
using System.Threading; 
using System.Threading.Tasks;
using System.Diagnostics.Contracts; 

namespace System.Linq.Parallel
{
    internal static class QueryLifecycle 
    {
        // This method is called once per execution of a logical query. 
        // (It is not called multiple time if repartitionings occur) 
        internal static void LogicalQueryExecutionBegin(int queryID)
        { 
            //We call NOCTD to inform the debugger that multiple threads will most likely be required to
            //execute this query.  We do not attempt to run the query even if we think we could, for simplicity and consistency.
#if !PFX_LEGACY_3_5
            Debugger.NotifyOfCrossThreadDependency(); 
#endif
 
#if !FEATURE_PAL    // PAL doesn't support  eventing 
            PlinqEtwProvider.Log.ParallelQueryBegin(queryID);
#endif 
        }


        // This method is called once per execution of a logical query. 
        // (It is not called multiple time if repartitionings occur)
        internal static void LogicalQueryExecutionEnd(int queryID) 
        { 
#if !FEATURE_PAL    // PAL doesn't support  eventing
            PlinqEtwProvider.Log.ParallelQueryEnd(queryID); 
#endif
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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