--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/spandsp-0.0.6pre17/src/spandsp/private/queue.h	Fri Jun 25 15:50:58 2010 +0200
@@ -0,0 +1,52 @@
+/*
+ * SpanDSP - a series of DSP components for telephony
+ *
+ * private/queue.h - simple in process message queuing
+ *
+ * Written by Steve Underwood <steveu@coppice.org>
+ *
+ * Copyright (C) 2004 Steve Underwood
+ *
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1,
+ * as published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id: queue.h,v 1.2 2009/01/31 08:48:11 steveu Exp $
+ */
+
+#if !defined(_SPANDSP_PRIVATE_QUEUE_H_)
+#define _SPANDSP_PRIVATE_QUEUE_H_
+
+/*!
+    Queue descriptor. This defines the working state for a single instance of
+    a byte stream or message oriented queue.
+*/
+struct queue_state_s
+{
+    /*! \brief Flags indicating the mode of the queue. */
+    int flags;
+    /*! \brief The length of the data buffer. */
+    int len;
+    /*! \brief The buffer input pointer. */
+    volatile int iptr;
+    /*! \brief The buffer output pointer. */
+    volatile int optr;
+#if defined(SPANDSP_FULLY_DEFINE_QUEUE_STATE_T)
+    /*! \brief The data buffer, sized at the time the structure is created. */
+    uint8_t data[];
+#endif
+};
+
+#endif
+/*- End of file ------------------------------------------------------------*/