/// <summary>
/// Tries to query measured process times.
/// </summary>
/// <param name="ptr">Process handle.</param>
/// <param name="processTimes">Measured process times.</param>
/// <returns>True if received the process times.</returns>
internal static bool TryGetProcessTimes(IntPtr ptr, out ProcessTimes processTimes)
{
processTimes = new ProcessTimes();
System.Runtime.InteropServices.ComTypes.FILETIME lpCreationTime, lpExitTime, lpKernel, lpUser;
bool result = GetProcessTimes(ptr, out lpCreationTime, out lpExitTime, out lpKernel, out lpUser);
if (!result)
{
Console.Error.WriteLine("Unable to query process time.");
return(false);
}
DateTime creation = DateTime.FromFileTime(ComFileTimeToTicks(lpCreationTime));
DateTime exit = DateTime.FromFileTime(ComFileTimeToTicks(lpExitTime));
processTimes = new ProcessTimes(PreciseTimeSpan.FromTicks((exit - creation).Ticks),
PreciseTimeSpan.FromTicks(ComFileTimeToTicks(lpUser)),
PreciseTimeSpan.FromTicks(ComFileTimeToTicks(lpKernel)));
return(true);
}
public AcquireTask(FixedChannelPool pool, TaskCompletionSource <IChannel> promise)
{
this.pool = pool;
this.Promise = promise;
this.ExpireTime = PreciseTimeSpan.FromTicks(Stopwatch.GetTimestamp()) + pool.acquireTimeout;
}
public void Run()
{
Contract.Assert(this.pool.executor.InEventLoop);
while (true)
{
if (!this.pool.pendingAcquireQueue.TryPeek(out AcquireTask task) || PreciseTimeSpan.FromTicks(Stopwatch.GetTimestamp()) < task.ExpireTime)
{
break;
}
this.pool.pendingAcquireQueue.TryDequeue(out _);
--this.pool.pendingAcquireCount;
this.onTimeout(task);
}
}
internal ProcessTimes(long wallTimeTicks, long userTimeTicks, long kernelTimeTicks)
{
WallTime = PreciseTimeSpan.FromTicks(wallTimeTicks);
UserTime = PreciseTimeSpan.FromTicks(userTimeTicks);
KernelTime = PreciseTimeSpan.FromTicks(kernelTimeTicks);
}
