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/*
* Copyright 2010 Ettus Research LLC
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_PKT_CTRL_H
#define INCLUDED_PKT_CTRL_H
#include <stddef.h>
/*!
* Try to claim an incomming buffer.
* \param num_lines filled with the buffer size
* \return a pointer to the buffer memory or NULL
*/
void *claim_incoming_buffer(size_t *num_lines);
/*!
* Release the incoming buffer. Call when done.
*/
void release_incoming_buffer(void);
/*!
* Claim an outgoing buffer.
* \return a pointer to the buffer
*/
void *claim_outgoing_buffer(void);
/*!
* Commit the outgoing buffer.
* \param num_lines how many lines written.
*/
void commit_outgoing_buffer(size_t num_lines);
#endif /* INCLUDED_PKT_CTRL_H */
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