1 files changed, 48 insertions, 0 deletions
diff --git a/LibWinUsb/Main/DeviceLockType.cs b/LibWinUsb/Main/DeviceLockType.cs
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+++ b/LibWinUsb/Main/DeviceLockType.cs
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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,
+    }
+}
+\ No newline at end of file