FreeCalypso > hg > fc-selenite
annotate src/cs/riviera/rvf/rvf_msg.c @ 22:0a1a78944683
components: first automated conversion pass
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 15 Jul 2018 22:53:50 +0000 |
parents | b6a5e36de839 |
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rev | line source |
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1 /****************************************************************************/ |
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2 /* */ |
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3 /* Name rvf_msg.c */ |
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4 /* */ |
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5 /* Function this file contains rvf message handling functions */ |
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6 /* */ |
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7 /* Version 0.1 */ |
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8 /* */ |
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9 /* Date Modification */ |
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10 /* ------------------------------------ */ |
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11 /* 18-March-2002 */ |
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12 /* */ |
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13 /* (C) Copyright 2002 by Texas Instruments Incorporated, All Rights Reserved*/ |
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14 /****************************************************************************/ |
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15 |
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16 #include "rvf/rvf_api.h" |
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17 #include "rvf/rvf_i.h" |
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18 #include "rvm/rvm_use_id_list.h" |
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19 #include "rvm/rvm_api.h" // RVM_TMS_MSG & RVM_MSG_OFFSET |
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20 |
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21 // PRIVATE |
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22 static const UINT8 BOUNDBUFVAL=20; |
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23 T_RVF_RET _send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox, UINT8 bindbuf); |
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24 |
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25 /******************************************************************************* |
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26 ** |
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27 ** Function rvf_get_msg_buf |
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28 ** |
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29 ** Description Request for a message buffer. |
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30 ** Automatically update the message id of the buffer |
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31 ** |
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32 ** |
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33 ** Returns T_RVF_MB_STATUS: RVF_GREEN if everything is ok, |
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34 ** RVF_YELLOW if watermark limit has been reached, |
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35 ** RVF_RED if max size has been reached (does not return a buffer) |
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36 ** |
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37 *******************************************************************************/ |
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38 T_RVF_MB_STATUS rvf_get_msg_buf(T_RVF_MB_ID mb_id, |
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39 UINT32 message_size, |
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40 T_RVF_MSG_ID msg_id, |
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41 T_RVF_MSG ** pp_msg) |
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42 { |
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43 |
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44 T_RVF_MB_STATUS mb_status; |
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45 |
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46 |
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47 mb_status = rvf_get_buf(mb_id,message_size,(T_RVF_BUFFER**) pp_msg); |
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48 |
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49 if (mb_status != RVF_RED) |
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50 { |
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51 (*pp_msg)->msg_id = msg_id; |
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52 } |
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53 |
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54 return mb_status; |
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55 } |
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56 |
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57 |
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58 |
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59 /******************************************************************************* |
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60 ** |
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61 ** Function rvf_fre_msg |
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62 ** |
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63 ** Description Deallocate a message buffer |
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64 ** |
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65 ** |
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66 ** Returns T_RVF_RET: T_RVF_OK if succesful,... |
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67 ** |
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68 *******************************************************************************/ |
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69 T_RVF_RET rvf_free_msg(T_RVF_MSG *p_msg) |
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70 { |
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71 return rvf_free_buf( (T_RVF_BUFFER *) p_msg); |
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72 } |
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73 |
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74 T_RVF_RET rvf_free_timer_msg(T_RVF_MSG *p_msg) |
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75 { |
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76 return rvf_free_buf( (T_RVF_BUFFER *) p_msg); |
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77 } |
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78 |
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79 |
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80 /******************************************************************************* |
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81 ** |
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82 ** Function rvf_send_msg |
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83 ** |
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84 ** Description Called by applications to send a buffer to a SWE. |
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85 ** |
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86 ** Returns RVF_OK if successful, else an error code. |
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87 ** |
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88 ** Comments Priority is defined the inverse of NU. for legacy reasons |
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89 *******************************************************************************/ |
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90 T_RVF_RET rvf_send_msg (T_RVF_G_ADDR_ID addr_id, void *msg) { |
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91 return _send_msg ( addr_id, msg, 0, FALSE); |
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92 } |
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93 |
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94 T_RVF_RET rvf_send_priority_msg (T_RVF_G_ADDR_ID addr_id, void *msg) { |
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95 return _send_msg ( addr_id, msg, 1, TRUE); |
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96 } |
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97 |
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98 T_RVF_RET _send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox, UINT8 bindbuf) { |
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99 T_RVF_INTERNAL_BUF *p_hdr; |
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100 T_RVF_INTERNAL_BUF* cur=NULL; |
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101 UINT8 i=0; |
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102 T_RVF_G_ADDR_ID tid=RVF_INVALID_ADDR_ID; |
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103 |
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104 /* If task non-existant or not started, drop buffer */ |
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105 if ((addr_id >= MAX_RVF_G_ADDR_ID)) { |
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106 rvf_send_trace( "RVF: rvf_send_msg(): invalid taskid", 35, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); |
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107 rvf_free_buf (msg); |
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108 return RVF_INVALID_PARAMETER; |
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109 } |
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110 if((tid=resolveHostAddrId(addr_id))==RVF_INVALID_ADDR_ID) { |
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111 rvf_free_buf (msg); |
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112 return RVF_INTERNAL_ERR; |
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113 } |
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114 if(!pRtAddrIdTable[tid]) { |
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115 rvf_free_buf (msg); |
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116 return RVF_INTERNAL_ERR; |
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117 } |
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118 |
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119 // Reject all msg or only continuous tm msg if bound buf limit |
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120 if(bindbuf) { |
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121 for(i=0, cur=pRtAddrIdTable[tid]->OSTaskQFirst[mbox]; |
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122 cur && cur->p_next; cur=cur->p_next, i++) ; |
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123 if(((T_RV_HDR*)msg)->msg_id==RVM_TMS_MSG) { |
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124 if(i>=BOUNDBUFVAL && ((T_RVF_TMS_MSG*)msg)->cont) { |
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125 rvf_free_buf(msg); |
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126 return RVF_MEMORY_ERR; |
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127 } |
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128 } else { |
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129 if(i>=BOUNDBUFVAL) { |
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130 rvf_free_buf(msg); |
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131 return RVF_MEMORY_ERR; |
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132 } |
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133 } |
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134 } |
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135 |
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136 #if RVF_ENABLE_BUF_CORRUPTION_CHECK |
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137 /* check for buffer corruption */ |
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138 if (_rvf_chk_buf_damage(msg) == TRUE) |
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139 { rvf_send_trace( "RVF: rvf_send_msg(): buffer corrupted", 37, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); |
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140 } |
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141 #endif |
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142 |
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143 /* update the addr_id field of the message */ |
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144 ((T_RV_HDR *)msg)->dest_addr_id = addr_id; |
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145 p_hdr = USER2MEM(msg); |
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146 |
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147 #if RVF_ENABLE_BUF_LINKAGE_CHECK |
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148 /* check if the buffer has been already enqueued */ |
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149 if ( RVF_BUF_IS_LINKED( p_hdr) ) |
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150 { |
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151 rvf_send_trace( "RVF: rvf_send_msg(): buffer already enqueued", 44, NULL_PARAM, RV_TRACE_LEVEL_ERROR, RVM_USE_ID ); |
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152 return RVF_MEMORY_ERR; |
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153 } |
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154 #endif |
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155 |
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156 rvf_disable(8); /* enter critical section */ |
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157 |
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158 /* chained the buffer in the mailbox list */ |
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159 /*if (OSTaskQFirst[task_id][mbox]) { |
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160 OSTaskQLast[task_id][mbox]->p_next = p_hdr; |
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161 } else { |
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162 OSTaskQFirst[task_id][mbox] = p_hdr; |
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163 } |
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164 OSTaskQLast[task_id][mbox] = p_hdr; |
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165 p_hdr->p_next = NULL;*/ |
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166 |
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167 if (pRtAddrIdTable[tid]->OSTaskQFirst[mbox]) { |
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168 pRtAddrIdTable[tid]->OSTaskQLast[mbox]->p_next = p_hdr; |
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169 } else { |
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170 pRtAddrIdTable[tid]->OSTaskQFirst[mbox] = p_hdr; |
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171 } |
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172 pRtAddrIdTable[tid]->OSTaskQLast[mbox] = p_hdr; |
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173 |
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174 p_hdr->p_next = NULL; |
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175 |
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176 #if RVF_ENABLE_BUF_LINKAGE_CHECK |
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177 RVF_SET_BUF_LINKED(p_hdr); /* change buffer status */ |
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178 #endif |
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179 |
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180 rvf_enable(); |
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181 |
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182 /* send a rvf event */ |
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183 rvf_send_event(tid, (UINT16) (EVENT_MASK(mbox)) ); |
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184 |
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185 return RVF_OK; |
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186 } |
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187 |
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188 // Poss. Deprecate ! [Only used by: rvf.Buffer::_rvf_send_msg_to_mbox() ] |
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189 // May conflict with "msg::rvf_send_priority_msg()" |
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190 T_RVF_RET rvf_adapt_send_msg (T_RVF_G_ADDR_ID addr_id, void *msg, UINT8 mbox) { |
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191 return _send_msg ( addr_id, msg, mbox, FALSE); |
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192 } |
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193 |
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194 |