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//
// IoPriority.cs
//
// Copyright (C) 2005 Novell, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
using System;
using System.Runtime.InteropServices;
namespace Beagle.Util {
public class IoPriority {
private IoPriority () {} // Static class
[DllImport ("libbeagleglue")]
static extern int set_io_priority_idle ();
[DllImport ("libbeagleglue")]
static extern int set_io_priority_best_effort (int ioprio);
static public bool SetIdle ()
{
// Continue with a warning if we can't set the
// IO-priority to idle, not a big deal.
if (set_io_priority_idle () == -1) {
Logger.Log.Warn ("Unable to set IO priority for process to idle");
return false;
}
Logger.Log.Debug ("IO priority for process set to idle");
return true;
}
static public bool SetIoPriority (int ioprio)
{
if (set_io_priority_best_effort (ioprio) == -1) {
Logger.Log.Warn ("Unable to set best effort IO priority for process to {0}", ioprio);
return false;
}
Logger.Log.Debug ("IO priority for process set to best effort {0}", ioprio);
return true;
}
}
}
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