Riddle me this: File access & Multi threading
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Riddle me this: File access & Multi threading
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What would be the output of the following code?
var list = new List<Task>();
var fileStream = File.Open("test", FileMode.Create, FileAccess.ReadWrite, FileShare.None);
for (int i = 0; i < 150; i++)
{
var index = i;
var task = Task.Factory.StartNew(() =>
{
var buffer = Encoding.ASCII.GetBytes(index + "\r\n");
fileStream.Write(buffer, 0, buffer.Length);
});
list.Add(task);
}
Task.WaitAll(list.ToArray());
fileStream.Flush(true);
fileStream.Dispose();
Please note that:
- What order the data is saved is not important.
- Preventing data corruption is important.
Can you guess?
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Published at DZone with permission of Oren Eini, CEO RavenDB , DZone MVB. See the original article here.
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