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// Copyright © 2006-2009 Travis Robinson. All rights reserved.
//
// website: sourceforge.net/projects/libusbdotnet/
// e-mail: libusbdotnet@gmail.com
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. or
// visit www.gnu.org.
//
//
using System;
namespace LibUsbDotNet.Main
{
/// <summary> The locking strategy for endpoint 0 operations per proccess/thread
/// </summary>
[Flags]
public enum DeviceLockType
{
/// <summary>
/// Don't lock the device IO functions.
/// </summary>
/// <remarks>
/// This option is not thread/proccess safe.
/// </remarks>
None,
/// <summary>
/// Use a global semapore to lock endpoint I/O operations. This prevents multiple threads/proccesses from accessing
/// the <see cref="UsbDevice"/> IO functions (IE <see cref="UsbDevice.ControlTransfer(ref UsbSetupPacket,object,int,out int)"/><see cref="UsbDevice.GetString"/>, etc..) at the same time.
/// </summary>
/// <remarks>
/// Using this option will allow your LibUsbDotNet applications to comunicate cooperatively with the same USB device.
/// NOTE: Usb devices using the WinUsb.dll driver can't be shared by multiple processes.
/// </remarks>
Locked,
}
}
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