/// <exception cref="System.IO.IOException"/>
private void UpdateCgroup(string controller, string groupName, string param, string
value)
{
string path = PathForCgroup(controller, groupName);
param = controller + "." + param;
if (Log.IsDebugEnabled())
{
Log.Debug("updateCgroup: " + path + ": " + param + "=" + value);
}
PrintWriter pw = null;
try
{
FilePath file = new FilePath(path + "/" + param);
TextWriter w = new OutputStreamWriter(new FileOutputStream(file), "UTF-8");
pw = new PrintWriter(w);
pw.Write(value);
}
catch (IOException e)
{
throw new IOException("Unable to set " + param + "=" + value + " for cgroup at: "
+ path, e);
}
finally
{
if (pw != null)
{
bool hasError = pw.CheckError();
pw.Close();
if (hasError)
{
throw new IOException("Unable to set " + param + "=" + value + " for cgroup at: "
+ path);
}
if (pw.CheckError())
{
throw new IOException("Error while closing cgroup file " + path);
}
}
}
}
