using System;
using System.IO;
using System.Threading;
namespace jQueryBuddy.Utilities
{
public class FileUtilities
{
public static bool WaitForExclusiveAccess(string filename, int timeout)
{
const int retryPause = 100;
var startTime = DateTime.Now.Ticks;
do
{
try
{
// Try to open the file for exclusive access
using (new FileStream(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
return true;
}
}
// Not ideal checking for an exception, especially one which may be raised for a number of
// reasons but this may be the only way.
catch (IOException)
{
Thread.Sleep(retryPause);
}
} while (new TimeSpan(DateTime.Now.Ticks - startTime).TotalSeconds < timeout);
return false;
}
}
}
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