rt_benchs/communication_techniques/src/communication/none.c

79 lines
2.3 KiB
C

/*
* Copyright (C) 2011-2012 Thomas Preud'homme <thomas.preud-homme@lip6.fr>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
/* Non standard include */
#include <commtech.h>
#include <specific_comm.h>
__thread void ** volatile store_var = NULL;
void *create_comm_channel(void)
{
return (void *) &store_var;
}
int end_producer(void *unused __attribute__ ((unused)))
{
return 0;
}
int destroy_comm_channel(void *unused __attribute__ ((unused)))
{
return 0;
}
/*
* Copy at max count received data into buf
* @param buf The buffer in which received data must be copied into
* @return Number of data received and copied into buf
*
* @warning recv_one_data should not be used in conjonction of
* recv_some_data
*/
void *recv_one_data(struct channel *channel __attribute__ ((unused)))
{
return NULL;
}
/*
* Copy at max count received data into buf
* @param buf The buffer in which received data must be copied into
* @return Number of data received and copied into buf
*
* @warning recv_some_data should not be used in conjonction of
* recv_one_data
* @warning count must be a multiple of BUF_SIZE
*/
ssize_t recv_some_data(struct channel *channel __attribute__ ((unused)),
void **buf __attribute__ ((unused)),
size_t count __attribute__ ((unused)))
{
return count;
}