static async Task Main(string[] args)
{
var rwl = new AsyncReadersWriterLock();
Console.WriteLine("* Example 1");
// run example 1
var result1 = Example1(rwl);
if (!result1.IsCompleted)
{
await result1;
}
Console.WriteLine("");
Console.WriteLine("* Example 2");
// run example 2
var result2 = Example2(rwl);
if (!result2.IsCompleted)
{
await result2;
}
}
private static async ValueTask Example2(AsyncReadersWriterLock rwl)
{
Console.WriteLine("Before calling UseReaderAsync");
var result = rwl.UseReaderAsync(() =>
{
Console.WriteLine("Reader start");
// no async is used
//await Task.Delay(1000);
Console.WriteLine("Reader end");
});
Console.WriteLine("After calling UseReaderAsync");
Console.WriteLine("");
if (!result.IsCompleted)
{
Console.WriteLine("result.IsCompleted == false, awaiting");
await result;
Console.WriteLine("await finished");
}
else
{
Console.WriteLine("result.IsCompleted == true, no await is used");
}
}
public async void ExecuteSync()
{
var rwl = new AsyncReadersWriterLock();
var results = new List <int>();
var reader1 = rwl.UseReaderAsync(() =>
{
results.Add(1);
return(new ValueTask());
});
var writer2 = rwl.UseWriterAsync(() =>
{
results.Add(2);
return(new ValueTask());
});
var reader3 = rwl.UseReaderAsync(() =>
{
results.Add(3);
return(new ValueTask());
});
Assert.True(results[0] == 1, "At index 0 should be value 1");
Assert.True(results[1] == 2, "At index 1 should be value 2");
Assert.True(results[2] == 3, "At index 2 should be value 3");
}
public async void ExecuteAsync()
{
var rwl = new AsyncReadersWriterLock();
var results = new List <int>();
var reader1 = rwl.UseReaderAsync(async() =>
{
await Task.Delay(10);
results.Add(1);
});
if (!reader1.IsCompleted)
{
await reader1;
}
var writer2 = rwl.UseWriterAsync(async() =>
{
await Task.Delay(10);
results.Add(2);
});
if (!writer2.IsCompleted)
{
await writer2;
}
var reader3 = rwl.UseReaderAsync(async() =>
{
await Task.Delay(10);
results.Add(3);
});
if (!reader3.IsCompleted)
{
await reader3;
}
Assert.True(results[0] == 1, "At index 0 should be value 1");
Assert.True(results[1] == 2, "At index 1 should be value 2");
Assert.True(results[2] == 3, "At index 2 should be value 3");
}
