Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / Diagnostics / TraceEventCache.cs / 1305376 / TraceEventCache.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.Threading; using System.Security.Permissions; using System.Text; using System.Collections; using System.Globalization; using System.Runtime.Versioning; namespace System.Diagnostics { public class TraceEventCache { private static int processId; private static string processName; private long timeStamp = -1; private DateTime dateTime = DateTime.MinValue; private string stackTrace = null; internal Guid ActivityId { get { return Trace.CorrelationManager.ActivityId; } } public string Callstack { get { if (stackTrace == null) stackTrace = Environment.StackTrace; else new EnvironmentPermission(PermissionState.Unrestricted).Demand(); return stackTrace; } } public Stack LogicalOperationStack { get { return Trace.CorrelationManager.LogicalOperationStack; } } public DateTime DateTime { get { if (dateTime == DateTime.MinValue) dateTime = DateTime.UtcNow; return dateTime; } } public int ProcessId { [ResourceExposure(ResourceScope.Process)] // Returns the current process's pid [ResourceConsumption(ResourceScope.Process)] get { return GetProcessId(); } } public string ThreadId { get { return GetThreadId().ToString(CultureInfo.InvariantCulture); } } public long Timestamp { get { if (timeStamp == -1) timeStamp = Stopwatch.GetTimestamp(); return timeStamp ; } } [ResourceExposure(ResourceScope.None)] [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)] private static void InitProcessInfo() { // Demand unmanaged code permission new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand(); if (processName == null) { Process p = Process.GetCurrentProcess(); try { processId = p.Id; processName = p.ProcessName; } finally { p.Dispose(); } } } [ResourceExposure(ResourceScope.Process)] internal static int GetProcessId() { InitProcessInfo(); return processId; } internal static string GetProcessName() { InitProcessInfo(); return processName; } internal static int GetThreadId() { return Thread.CurrentThread.ManagedThreadId; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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