FreeCalypso > hg > fc-tourmaline
annotate src/g23m-fad/tcpip/rnet/rnet_rt/rnet_rt_api_bind.c @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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1 /** |
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2 * @file rnet_rt_api_bind.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_bind.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 #ifdef RNET_CFG_REAL_TRANSPORT |
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26 |
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27 #include "rnet_rt_i.h" |
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28 #include "rnet_rt_env.h" |
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29 |
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30 /** |
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31 * Binds the connection to a local IP address and port number. |
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32 * |
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33 * @param desc Connection identifier [IN]. |
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34 * @param local_addr Local IP address |
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35 * The IP address can be specified as RNET_IP_ADDR_ANY |
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36 * in order to bind the connection to all local IP addresses [IN]. |
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37 * @param local_port If the port is not specified, the allocation of a port |
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38 * is done automatically by the system [IN]. |
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39 * @return RNET_IN_USE Another connection bound to the same address/port. |
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40 * RNET_NOT_INITIALIZED NET subsystem not initialized (internal error). |
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41 * RNET_INTERNAL_ERR Network subsystem failed. |
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42 * RNET_INVALID_PARAMETER Invalid connection ID. |
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43 * or Specified address not a valid address |
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44 * RNET_NOT_READY Still processing a callback function. |
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45 * RNET_MEMORY_ERR Not enough buffers available, too many connections. |
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46 * RNET_OK Connection successfully bound. |
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47 */ |
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48 |
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49 T_RNET_RET rnet_rt_bind (T_RNET_DESC * desc, |
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50 T_RNET_IP_ADDR local_addr, |
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51 T_RNET_PORT local_port) |
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52 { |
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53 NGsockaddr addr; |
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54 int err; |
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55 |
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56 /* convert address to network-byte order */ |
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57 addr.sin_port = ngHTONS( local_port); |
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58 addr.sin_addr = ngHTONL( local_addr); |
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59 |
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60 /* bind local address & port */ |
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61 rvf_lock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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62 err = ngSAIOBind( (NGsock *) desc, &addr); |
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63 rvf_unlock_mutex( &rnet_rt_env_ctrl_blk_p->mutex); |
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64 |
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65 return( rnet_rt_ngip_error( err)); |
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66 } |
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67 |
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68 #endif /* ifdef RNET_CFG_REAL_TRANSPORT */ |
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69 |