Added mod_khomp Endpoint.

This module has been developed to make a nice,
affordable brazilian board called Khomp
(http://www.khomp.com.br) compatible with FreeSWITCH.

Supported boards:
- FXS
- FXO
- E1
- GSM (boards and usb devices)
- Passive record
- kommuter

src/mod/endpoints/mod_khomp/include/lock.h

@@ -0,0 +1,86 @@
+/*******************************************************************************
+
+    KHOMP generic endpoint/channel library.
+    Copyright (C) 2007-2010 Khomp Ind. & Com.
+
+  The contents of this file are subject to the Mozilla Public License 
+  Version 1.1 (the "License"); you may not use this file except in compliance 
+  with the License. You may obtain a copy of the License at 
+  http://www.mozilla.org/MPL/ 
+
+  Software distributed under the License is distributed on an "AS IS" basis,
+  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
+  the specific language governing rights and limitations under the License.
+
+  Alternatively, the contents of this file may be used under the terms of the
+  "GNU Lesser General Public License 2.1" license (the “LGPL" License), in which
+  case the provisions of "LGPL License" are applicable instead of those above.
+
+  If you wish to allow use of your version of this file only under the terms of
+  the LGPL License and not to allow others to use your version of this file 
+  under the MPL, indicate your decision by deleting the provisions above and 
+  replace them with the notice and other provisions required by the LGPL 
+  License. If you do not delete the provisions above, a recipient may use your 
+  version of this file under either the MPL or the LGPL License.
+
+  The LGPL header follows below:
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this library; if not, write to the Free Software Foundation, 
+    Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+*******************************************************************************/
+
+#ifndef CHAN_LOCK_H
+#define CHAN_LOCK_H
+
+#include <scoped_lock.hpp>
+#include "khomp_pvt.h"
+
+
+struct ScopedLockFailed
+{
+    typedef enum { NULL_PVT, NULL_SOFT_CHAN, FAILED, ALLOC_FAILED } FailType;
+
+    ScopedLockFailed(FailType fail, std::string msg)
+    : _fail(fail), _msg(msg) {};
+
+    FailType    _fail;
+    std::string _msg;
+};
+
+
+struct ScopedPvtLock: public ScopedLockBasic
+{
+    typedef Board::KhompPvt KhompPvt;
+
+    ScopedPvtLock(KhompPvt * pvt);
+    ~ScopedPvtLock();
+
+    void unlock();
+
+ protected:
+    KhompPvt * _pvt;
+};
+
+
+struct ScopedAllocLock : public ScopedLockBasic
+{
+    ScopedAllocLock();
+    ~ScopedAllocLock();
+
+    void unlock();
+
+};
+
+#endif /* CHAN_LOCK_H */