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annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_close.c @ 1:d393cd9bb723

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src/g23m-*: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:40:46 +0000
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d393cd9bb723 src/g23m-*: initial import from Magnetite
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1 /**
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2 * @file rnet_rt_api_close.c
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3 *
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4 * RNET_RT API
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5 *
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6 * @author Regis Feneon
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7 * @version 0.1
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8 */
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9
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10 /*
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11 * $Id: rnet_rt_api_close.c,v 1.3 2002/10/30 15:23:34 rf Exp $
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12 * $Name: ti_20021030 $
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13 *
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14 * History:
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15 *
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16 * Date Author Modification
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17 * --------------------------------------------------
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18 * 3/22/2002 Regis Feneon Create
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19 *
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20 * (C) Copyright 2002 by TI, All Rights Reserved
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21 *
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22 */
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23
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24 #include "rnet_cfg.h"
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25
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26 #ifdef RNET_CFG_REAL_TRANSPORT
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27
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28 #include "rnet_rt_i.h"
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29 #include "rnet_rt_env.h"
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30
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31 /**
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32 * Closes the connection.
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33 *
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34 * Use it to release the connection ID so further references to it will fail with
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35 * the error RNET_INVALID_PARAMETER.
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36 *
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37 * An application should always have a matching call to rnet_close for each successful
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38 * call to rnet_new to return any resources to the system.
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39 *
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40 * The function may return RNET_MEMORY_ERR if no memory
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41 * was available for closing the connection. If so, the application
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42 * should wait and try again either by using the error message
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43 * or the polling functionality.
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44 * If the close succeeds, the function returns RNET_OK.
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45 *
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46 * The connection ID is deallocated after a call to rnet_close().
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47 *
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48 * @param desc Connection identifier.
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49 * @return RNET_MEMORY_ERR Not enough memory is available
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50 * RNET_NOT_INITIALIZED NET subsystem not initialized (internal error).
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51 * RNET_INTERNAL_ERR Network subsystem failed.
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52 * RNET_INVALID_PARAMETER The connection ID is invalid.
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53 * RNET_NOT_READY Still processing a callback function.
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54 * RNET_OK Socket closed.
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55 */
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56
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57 T_RNET_RET rnet_rt_close (T_RNET_DESC * desc)
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58 {
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59 int err;
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60
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61 /* remove callback and close socket */
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62 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
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63 ngSAIOSetCallback( (NGsock *) desc, NULL, NULL);
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64 err = ngSAIOClose( (NGsock *) desc, 1);
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65 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex);
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66
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67 return( rnet_rt_ngip_error( err));
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68 }
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69
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70 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */
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71