/// <summary>
/// Removes the counter (category) from the system
/// </summary>
public static void Delete(string categoryName)
{
CheckValidCategory(categoryName);
string machineName = ".";
categoryName = categoryName.ToLowerInvariant();
Mutex mutex = null;
try
{
NetFrameworkUtils.EnterMutex(PerfMutexName, ref mutex);
if (!PerformanceCounterLib.IsCustomCategory(machineName, categoryName))
{
throw new InvalidOperationException(SR.CantDeleteCategory);
}
SharedPerformanceCounter.RemoveAllInstances(categoryName);
PerformanceCounterLib.UnregisterCategory(categoryName);
PerformanceCounterLib.CloseAllLibraries();
}
finally
{
if (mutex != null)
{
mutex.ReleaseMutex();
mutex.Close();
}
}
}
/// <devdoc>
/// Frees all the resources allocated for all performance
/// counters, frees File Mapping used by extensible counters,
/// unloads dll's used to read counters.
/// </devdoc>
public static void CloseSharedResources()
{
PerformanceCounterPermission permission = new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Read, ".", "*");
permission.Demand();
PerformanceCounterLib.CloseAllLibraries();
}
public static void Delete(string categoryName)
{
CheckValidCategory(categoryName);
string machineName = ".";
new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Administer, machineName, categoryName).Demand();
SharedUtils.CheckNtEnvironment();
categoryName = categoryName.ToLower(CultureInfo.InvariantCulture);
Mutex mutex = null;
RuntimeHelpers.PrepareConstrainedRegions();
try
{
SharedUtils.EnterMutex("netfxperf.1.0", ref mutex);
if (!PerformanceCounterLib.IsCustomCategory(machineName, categoryName))
{
throw new InvalidOperationException(SR.GetString("CantDeleteCategory"));
}
SharedPerformanceCounter.RemoveAllInstances(categoryName);
PerformanceCounterLib.UnregisterCategory(categoryName);
PerformanceCounterLib.CloseAllLibraries();
}
finally
{
if (mutex != null)
{
mutex.ReleaseMutex();
mutex.Close();
}
}
}
public static void CloseSharedResources()
{
new PerformanceCounterPermission(PerformanceCounterPermissionAccess.Browse, ".", "*").Demand();
PerformanceCounterLib.CloseAllLibraries();
}
/// <summary>
/// Frees all the resources allocated for all performance
/// counters, frees File Mapping used by extensible counters,
/// unloads dll's used to read counters.
/// </summary>
public static void CloseSharedResources()
{
PerformanceCounterLib.CloseAllLibraries();
}
