POK
/home/jaouen/pok_official/pok/trunk/libpok/middleware/bufferstatus.c
00001 /*
00002  *                               POK header
00003  * 
00004  * The following file is a part of the POK project. Any modification should
00005  * made according to the POK licence. You CANNOT use this file or a part of
00006  * this file is this part of a file for your own project
00007  *
00008  * For more information on the POK licence, please see our LICENCE FILE
00009  *
00010  * Please follow the coding guidelines described in doc/CODING_GUIDELINES
00011  *
00012  *                                      Copyright (c) 2007-2009 POK team 
00013  *
00014  * Created by julien on Thu Jan 15 23:34:13 2009 
00015  */
00016 
00017 
00018 #ifdef POK_NEEDS_MIDDLEWARE
00019 #ifdef POK_NEEDS_BUFFERS
00020 
00021 #include <middleware/buffer.h>
00022 #include <errno.h>
00023 #include <types.h>
00024 #include <libc/string.h>
00025 
00026 extern pok_buffer_t    pok_buffers[POK_CONFIG_NB_BUFFERS];
00027 
00028 pok_ret_t pok_buffer_status (const pok_buffer_id_t  id,
00029                              pok_buffer_status_t*   status)
00030 {
00031    if (id > POK_CONFIG_NB_BUFFERS)
00032    {
00033       return POK_ERRNO_EINVAL;
00034    }
00035 
00036    /* FIXME : should fix this later */
00037    status->nb_messages = 0;
00038    status->max_messages = pok_buffers[id].size / pok_buffers[id].msgsize;
00039    status->message_size = pok_buffers[id].msgsize;
00040    status->waiting_processes = 0;
00041 
00042    return POK_ERRNO_OK;
00043 }
00044 
00045 #endif /* POK_NEEDS_BUFFERS */
00046 #endif