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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Threading;
  5. using System.Threading.Tasks;
  6.  
  7. namespace ConsoleApp22
  8. {
  9.     class Program
  10.     {
  11.         internal class WorkTasksState
  12.         {
  13.             private int _inProgress = 0;
  14.             public void AddTask() => Interlocked.Increment(ref _inProgress);
  15.             public void SignalComplete() => Interlocked.Decrement(ref _inProgress);
  16.             public bool AllDone => _inProgress == 0;
  17.             public async Task WaitComplete()
  18.             {
  19.                 while (!AllDone)
  20.                 {
  21.                     await Task.Delay(1);
  22.                 }
  23.             }
  24.         }
  25.         static async Task Main()
  26.         {
  27.             while (true)
  28.             {
  29.                 Console.WriteLine("Loop");
  30.                 WorkTasksState state = new();
  31.                 for(int i = 0; i < 2048; i++)
  32.                 {
  33.                     state.AddTask();
  34.                     ThreadPool.QueueUserWorkItem(Foo, state);
  35.                 }
  36.                 await state.WaitComplete();
  37.             }
  38.         }
  39.         private static async void Foo(object? state)
  40.         {
  41.             var s = state as WorkTasksState;
  42.             Console.WriteLine($"Start Foo  in {Thread.CurrentThread.ManagedThreadId}");
  43.             Random rnd = new();
  44.             List<byte[]> temp = new();
  45.             for(int i = 0; i < 1024; i++)
  46.             {
  47.                 await Task.Yield();
  48.                 byte[] buffer = new byte[1024];
  49.                 temp.Add(buffer);
  50.             }
  51.             List<decimal> sums = new();
  52.             foreach(var item in temp)
  53.             {
  54.                 await Task.Yield();
  55.                 rnd.NextBytes(item);
  56.                 var sum = item.Sum(x=>x);
  57.                 sums.Add(sum);
  58.             }
  59.             //Раскоментируй и сравни
  60.             //GC.Collect();
  61.             Console.WriteLine($"Complete in {Thread.CurrentThread.ManagedThreadId}");
  62.             s.SignalComplete();
  63.         }
  64.     }
  65. }
  66.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cs(30,43): error CS1525: Unexpected symbol `)', expecting `(' or `type'
prog.cs(43,29): error CS1525: Unexpected symbol `)', expecting `(' or `type'
prog.cs(44,36): error CS1525: Unexpected symbol `)', expecting `(' or `type'
prog.cs(51,37): error CS1525: Unexpected symbol `)', expecting `(' or `type'
Compilation failed: 4 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/OVf7ew
language:
C# (gmcs 5.20.1)
created:
3 years ago
visibility:
public

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