FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/nucleus/tcse.c @ 828:a8d0bbba7886
build flashable images by default when PS is included and target has small RAM
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 06 Apr 2015 02:32:04 +0000 |
parents | afceeeb2cba1 |
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rev | line source |
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1 /*************************************************************************/ |
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2 /* */ |
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3 /* Copyright Mentor Graphics Corporation 2002 */ |
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4 /* All Rights Reserved. */ |
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5 /* */ |
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6 /* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS */ |
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7 /* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS */ |
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8 /* SUBJECT TO LICENSE TERMS. */ |
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9 /* */ |
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10 /*************************************************************************/ |
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11 |
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12 /*************************************************************************/ |
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13 /* */ |
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14 /* FILE NAME VERSION */ |
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15 /* */ |
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16 /* tcse.c Nucleus PLUS 1.14 */ |
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17 /* */ |
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18 /* COMPONENT */ |
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19 /* */ |
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20 /* TC - Thread Control */ |
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21 /* */ |
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22 /* DESCRIPTION */ |
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23 /* */ |
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24 /* This file contains error checking routines for the supplemental */ |
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25 /* functions in the Thread Control component. This permits easy */ |
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26 /* removal of error checking logic when it is not needed. */ |
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27 /* */ |
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28 /* DATA STRUCTURES */ |
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29 /* */ |
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30 /* None */ |
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31 /* */ |
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32 /* FUNCTIONS */ |
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33 /* */ |
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34 /* TCSE_Change_Priority Change task's priority */ |
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35 /* TCSE_Change_Preemption Change task's preemption */ |
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36 /* TCSE_Change_Time_Slice Change task's time slice */ |
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37 /* TCSE_Control_Signals Enable and disable signals */ |
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38 /* TCSE_Receive_Signals Receive current signals */ |
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39 /* TCSE_Register_Signal_Handler Register a signal handler */ |
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40 /* TCSE_Send_Signals Send signals to a task */ |
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41 /* TCSE_Activate_HISR Activate an HISR */ |
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42 /* */ |
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43 /* DEPENDENCIES */ |
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44 /* */ |
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45 /* tc_extr.h Thread Control functions */ |
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46 /* */ |
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47 /* HISTORY */ |
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48 /* */ |
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49 /* DATE REMARKS */ |
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50 /* */ |
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51 /* 03-01-1994 Created initial version 1.1 from */ |
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52 /* routines originally in core */ |
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53 /* error checking file */ |
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54 /* */ |
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55 /* 03-18-1994 Verified version 1.1 */ |
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56 /* 04-17-1996 updated to version 1.2 */ |
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57 /* 03-17-1997 Protected Send Signals service */ |
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58 /* from NULL Control Block pointers */ |
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59 /* creating 1.2a. (SPR220) */ |
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60 /* 03-24-1998 Released version 1.3. */ |
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61 /* 04-17-2002 Released version 1.13m */ |
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62 /* 11-07-2002 Released version 1.14 */ |
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63 /*************************************************************************/ |
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64 #define NU_SOURCE_FILE |
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65 |
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66 |
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67 #include "tc_extr.h" /* Thread control functions */ |
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68 |
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69 /* Define external inner-component global data references. */ |
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70 |
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71 extern TC_TCB *TCD_Execute_Task; |
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72 extern VOID *TCD_Current_Thread; |
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73 |
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74 |
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75 /*************************************************************************/ |
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76 /* */ |
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77 /* FUNCTION */ |
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78 /* */ |
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79 /* TCSE_Change_Priority */ |
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80 /* */ |
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81 /* DESCRIPTION */ |
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82 /* */ |
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83 /* This function performs error checking for the change priority */ |
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84 /* service. If an error is detected, this service is ignored and */ |
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85 /* the requested priority is returned. */ |
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86 /* */ |
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87 /* CALLED BY */ |
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88 /* */ |
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89 /* Application */ |
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90 /* */ |
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91 /* CALLS */ |
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92 /* */ |
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93 /* TCS_Change_Priority Actual change priority */ |
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94 /* */ |
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95 /* INPUTS */ |
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96 /* */ |
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97 /* task_ptr Task control block pointer */ |
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98 /* new_priority New priority for task */ |
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99 /* */ |
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100 /* OUTPUTS */ |
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101 /* */ |
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102 /* old_priority Original task priority */ |
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103 /* */ |
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104 /* HISTORY */ |
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105 /* */ |
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106 /* DATE REMARKS */ |
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107 /* */ |
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108 /* 03-01-1993 Created initial version 1.0 */ |
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109 /* 04-19-1993 Verified version 1.0 */ |
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110 /* 03-01-1994 Changed function interface, */ |
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111 /* resulting in version 1.1 */ |
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112 /* */ |
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113 /* 03-18-1994 Verified version 1.1 */ |
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114 /* */ |
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115 /*************************************************************************/ |
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116 OPTION TCSE_Change_Priority(NU_TASK *task_ptr, OPTION new_priority) |
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117 { |
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118 |
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119 TC_TCB *task; /* Task control block ptr */ |
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120 OPTION old_priority; /* Previous priority of task */ |
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121 |
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122 |
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123 /* Move input task pointer into internal task pointer. */ |
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124 task = (TC_TCB *) task_ptr; |
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125 |
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126 /* Determine if the task pointer is valid. */ |
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127 if (task -> tc_id == TC_TASK_ID) |
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128 |
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129 /* Nothing seems to be wrong, change the priority as specified. */ |
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130 old_priority = TCS_Change_Priority(task_ptr, new_priority); |
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131 |
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132 else |
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133 |
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134 /* Copy the new priority into the old priority. */ |
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135 old_priority = new_priority; |
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136 |
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137 /* Return the previous priority. */ |
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138 return(old_priority); |
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139 } |
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140 |
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141 |
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142 /*************************************************************************/ |
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143 /* */ |
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144 /* FUNCTION */ |
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145 /* */ |
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146 /* TCSE_Change_Preemption */ |
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147 /* */ |
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148 /* DESCRIPTION */ |
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149 /* */ |
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150 /* This function performs error checking on the change preemption */ |
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151 /* service. If the current thread is not a task thread, this */ |
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152 /* request is ignored. */ |
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153 /* */ |
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154 /* CALLED BY */ |
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155 /* */ |
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156 /* Application */ |
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157 /* */ |
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158 /* CALLS */ |
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159 /* */ |
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160 /* TCS_Change_Preemption Change the preemption posture*/ |
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161 /* of the calling task */ |
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162 /* */ |
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163 /* INPUTS */ |
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164 /* */ |
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165 /* preempt Preempt selection parameter */ |
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166 /* */ |
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167 /* OUTPUTS */ |
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168 /* */ |
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169 /* old_preempt Original preempt value */ |
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170 /* */ |
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171 /* HISTORY */ |
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172 /* */ |
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173 /* DATE REMARKS */ |
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174 /* */ |
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175 /* 03-01-1993 Created initial version 1.0 */ |
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176 /* 04-19-1993 Verified version 1.0 */ |
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177 /* */ |
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178 /*************************************************************************/ |
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179 OPTION TCSE_Change_Preemption(OPTION preempt) |
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180 { |
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181 |
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182 TC_TCB *task; /* Pointer to task */ |
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183 OPTION old_preempt; |
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184 |
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185 /* Pickup the current thread and place it in the task pointer. */ |
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186 task = (TC_TCB *) TCD_Current_Thread; |
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187 |
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188 /* Determine if the current thread is really a task thread. */ |
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189 if (task -> tc_id == TC_TASK_ID) |
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190 |
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191 /* Yes, change the preemption posture. */ |
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192 old_preempt = TCS_Change_Preemption(preempt); |
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193 |
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194 else |
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195 |
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196 /* Return the original request. */ |
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197 old_preempt = preempt; |
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198 |
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199 /* Return the previous preemption posture. */ |
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200 return(old_preempt); |
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201 } |
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202 |
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203 |
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204 /*************************************************************************/ |
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205 /* */ |
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206 /* FUNCTION */ |
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207 /* */ |
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208 /* TCSE_Change_Time_Slice */ |
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209 /* */ |
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210 /* DESCRIPTION */ |
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211 /* */ |
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212 /* This function performs error checking on the change time slice */ |
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213 /* service. If the specified task pointer is invalid, this */ |
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214 /* request is ignored. */ |
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215 /* */ |
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216 /* CALLED BY */ |
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217 /* */ |
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218 /* Application */ |
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219 /* */ |
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220 /* CALLS */ |
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221 /* */ |
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222 /* TCS_Change_Time_Slice Change the time slice of the */ |
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223 /* specified task */ |
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224 /* */ |
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225 /* INPUTS */ |
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226 /* */ |
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227 /* task_ptr Task control block pointer */ |
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228 /* time_slice New time slice value */ |
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229 /* */ |
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230 /* OUTPUTS */ |
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231 /* */ |
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232 /* old_time_slice Old time slice value */ |
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233 /* */ |
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234 /* HISTORY */ |
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235 /* */ |
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236 /* DATE REMARKS */ |
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237 /* */ |
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238 /* 03-01-1993 Created initial version 1.0 */ |
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239 /* 04-19-1993 Verified version 1.0 */ |
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240 /* 03-01-1994 Changed function interface, */ |
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241 /* resulting in version 1.1 */ |
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242 /* */ |
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243 /* 03-18-1994 Verified version 1.1 */ |
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244 /* */ |
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245 /*************************************************************************/ |
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246 UNSIGNED TCSE_Change_Time_Slice(NU_TASK *task_ptr, UNSIGNED time_slice) |
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247 { |
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248 |
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249 TC_TCB *task; /* Task control block ptr */ |
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250 UNSIGNED old_time_slice; /* Old time slice value */ |
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251 |
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252 |
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253 /* Move input task pointer into internal pointer. */ |
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254 task = (TC_TCB *) task_ptr; |
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255 |
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256 /* Determine if the task pointer is valid. */ |
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257 if (task -> tc_id == TC_TASK_ID) |
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258 |
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259 /* Yes, change the time slice. */ |
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260 old_time_slice = TCS_Change_Time_Slice(task_ptr, time_slice); |
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261 |
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262 else |
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|
263 |
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264 /* Return the current request. */ |
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265 old_time_slice = time_slice; |
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|
266 |
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267 /* Return the previous time slice value. */ |
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|
268 return(old_time_slice); |
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|
269 } |
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|
270 |
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|
271 |
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|
272 /*************************************************************************/ |
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|
273 /* */ |
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274 /* FUNCTION */ |
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|
275 /* */ |
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276 /* TCSE_Control_Signals */ |
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277 /* */ |
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|
278 /* DESCRIPTION */ |
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|
279 /* */ |
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|
280 /* This function checks to see if the call is being made from a */ |
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281 /* non-task thread. If so, the request is simply ignored. */ |
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282 /* */ |
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|
283 /* CALLED BY */ |
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|
284 /* */ |
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285 /* Application */ |
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|
286 /* */ |
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|
287 /* CALLS */ |
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|
288 /* */ |
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289 /* TCS_Control_Signals Actual control signals func */ |
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290 /* */ |
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|
291 /* INPUTS */ |
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|
292 /* */ |
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|
293 /* enable_signal_mask Enable signal mask */ |
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|
294 /* */ |
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|
295 /* OUTPUTS */ |
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|
296 /* */ |
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|
297 /* Previous signal enable mask */ |
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|
298 /* */ |
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|
299 /* HISTORY */ |
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|
300 /* */ |
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|
301 /* DATE REMARKS */ |
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diff
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|
302 /* */ |
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|
303 /* 03-01-1993 Created initial version 1.0 */ |
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|
304 /* 04-19-1993 Verified version 1.0 */ |
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|
305 /* */ |
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|
306 /*************************************************************************/ |
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|
307 UNSIGNED TCSE_Control_Signals(UNSIGNED enable_signal_mask) |
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diff
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|
308 { |
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|
309 |
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|
310 UNSIGNED return_mask; /* Return signal mask */ |
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diff
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|
311 TC_TCB *task; /* Task pointer */ |
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parents:
diff
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|
312 |
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diff
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|
313 |
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diff
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|
314 /* Pickup the task pointer. */ |
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diff
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|
315 task = (TC_TCB *) TCD_Current_Thread; |
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diff
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|
316 |
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diff
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|
317 /* Determine if the call is valid. */ |
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|
318 if (task -> tc_id == TC_TASK_ID) |
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diff
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|
319 |
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diff
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|
320 /* Valid request- call actual routine to control signals. */ |
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|
321 return_mask = TCS_Control_Signals(enable_signal_mask); |
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changeset
|
322 else |
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diff
changeset
|
323 |
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parents:
diff
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|
324 /* Return a cleared mask. */ |
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diff
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|
325 return_mask = 0; |
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parents:
diff
changeset
|
326 |
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parents:
diff
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|
327 /* Return the old enable mask. */ |
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parents:
diff
changeset
|
328 return(return_mask); |
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parents:
diff
changeset
|
329 } |
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parents:
diff
changeset
|
330 |
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diff
changeset
|
331 |
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diff
changeset
|
332 /*************************************************************************/ |
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parents:
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changeset
|
333 /* */ |
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parents:
diff
changeset
|
334 /* FUNCTION */ |
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parents:
diff
changeset
|
335 /* */ |
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diff
changeset
|
336 /* TCSE_Receive_Signals */ |
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|
337 /* */ |
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parents:
diff
changeset
|
338 /* DESCRIPTION */ |
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diff
changeset
|
339 /* */ |
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parents:
diff
changeset
|
340 /* This function determines whether or not the call is being made */ |
947b1f473960
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parents:
diff
changeset
|
341 /* from a task thread of execution. If not, the call is ignored. */ |
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diff
changeset
|
342 /* */ |
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parents:
diff
changeset
|
343 /* CALLED BY */ |
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diff
changeset
|
344 /* */ |
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parents:
diff
changeset
|
345 /* Application */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
346 /* */ |
947b1f473960
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parents:
diff
changeset
|
347 /* CALLS */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
348 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
349 /* TCS_Receive_Signals Actual receive signals func */ |
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diff
changeset
|
350 /* */ |
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parents:
diff
changeset
|
351 /* INPUTS */ |
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diff
changeset
|
352 /* */ |
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parents:
diff
changeset
|
353 /* None */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
354 /* */ |
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parents:
diff
changeset
|
355 /* OUTPUTS */ |
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parents:
diff
changeset
|
356 /* */ |
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parents:
diff
changeset
|
357 /* Current signals */ |
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diff
changeset
|
358 /* */ |
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parents:
diff
changeset
|
359 /* HISTORY */ |
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diff
changeset
|
360 /* */ |
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diff
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|
361 /* DATE REMARKS */ |
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parents:
diff
changeset
|
362 /* */ |
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parents:
diff
changeset
|
363 /* 03-01-1993 Created initial version 1.0 */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
364 /* 04-19-1993 Verified version 1.0 */ |
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parents:
diff
changeset
|
365 /* */ |
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diff
changeset
|
366 /*************************************************************************/ |
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diff
changeset
|
367 UNSIGNED TCSE_Receive_Signals(VOID) |
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parents:
diff
changeset
|
368 { |
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diff
changeset
|
369 |
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diff
changeset
|
370 TC_TCB *task; /* Task pointer */ |
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diff
changeset
|
371 UNSIGNED signals; /* Current signals */ |
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diff
changeset
|
372 |
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diff
changeset
|
373 /* Pickup the task pointer. */ |
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diff
changeset
|
374 task = (TC_TCB *) TCD_Current_Thread; |
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parents:
diff
changeset
|
375 |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
376 /* Determine if the call is valid. */ |
947b1f473960
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diff
changeset
|
377 if (task -> tc_id == TC_TASK_ID) |
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parents:
diff
changeset
|
378 |
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parents:
diff
changeset
|
379 /* Valid request- call actual routine to receive signals. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
changeset
|
380 signals = TCS_Receive_Signals(); |
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parents:
diff
changeset
|
381 else |
947b1f473960
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parents:
diff
changeset
|
382 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
383 /* Return cleared signals. */ |
947b1f473960
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parents:
diff
changeset
|
384 signals = 0; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
385 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
386 /* Return the signals to the caller. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
387 return(signals); |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
388 } |
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|
389 |
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|
390 |
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diff
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|
391 /*************************************************************************/ |
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diff
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|
392 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
393 /* FUNCTION */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
394 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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diff
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|
395 /* TCSE_Register_Signal_Handler */ |
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diff
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|
396 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
397 /* DESCRIPTION */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
398 /* */ |
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parents:
diff
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|
399 /* This function determines whether or not the caller is a task. */ |
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diff
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|
400 /* If the caller is not a task and/or if the supplied signal */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
401 /* handling function pointer is NULL, an appropriate error status */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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|
402 /* is returned. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
403 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
404 /* CALLED BY */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
405 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
406 /* Application */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
407 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
408 /* CALLS */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
409 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
410 /* TCS_Register_Signal_Handler Actual function to register */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
411 /* the signal handler */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
412 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
413 /* INPUTS */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
414 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
415 /* signal_handler Signal execution shell */ |
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parents:
diff
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|
416 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
417 /* OUTPUTS */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
418 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
419 /* NU_INVALID_TASK Not called from task thread */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
420 /* NU_INVALID_POINTER Signal handler pointer NULL */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
421 /* */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
422 /* HISTORY */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
423 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
424 /* DATE REMARKS */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
425 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
426 /* 03-01-1993 Created initial version 1.0 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
427 /* 04-19-1993 Verified version 1.0 */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
428 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
429 /*************************************************************************/ |
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parents:
diff
changeset
|
430 STATUS TCSE_Register_Signal_Handler(VOID (*signal_handler)(UNSIGNED)) |
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parents:
diff
changeset
|
431 { |
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parents:
diff
changeset
|
432 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
433 STATUS status; /* Return status */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
434 TC_TCB *task; /* Task pointer */ |
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parents:
diff
changeset
|
435 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
436 /* Pickup the task pointer. */ |
947b1f473960
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diff
changeset
|
437 task = (TC_TCB *) TCD_Current_Thread; |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
438 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
439 /* Determine if the caller is a task. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
440 if (task -> tc_id != TC_TASK_ID) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
441 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
442 /* Indicate that the caller is invalid. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
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|
443 status = NU_INVALID_TASK; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
444 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
445 else if (signal_handler == NU_NULL) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
446 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
447 /* Indicate that the signal handler is invalid. */ |
947b1f473960
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parents:
diff
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|
448 status = NU_INVALID_POINTER; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
449 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
450 else |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
451 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
452 /* Everything is fine, call the actual function. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
453 status = TCS_Register_Signal_Handler(signal_handler); |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
454 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
455 /* Return completion status. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
456 return(status); |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
457 } |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
458 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
459 |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
460 /*************************************************************************/ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
461 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
462 /* FUNCTION */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
463 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
464 /* TCSE_Send_Signals */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
465 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
466 /* DESCRIPTION */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
467 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
468 /* This function checks for an invalid task. If an invalid task */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
469 /* is selected and error is returned. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
470 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
471 /* CALLED BY */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
472 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
473 /* Application */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
474 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
475 /* CALLS */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
476 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
477 /* TCS_Send_Signals Actual send signal function */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
478 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
479 /* INPUTS */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
480 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
481 /* task_ptr Task pointer */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
482 /* signals Signals to send to the task */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
483 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
484 /* OUTPUTS */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
485 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
486 /* NU_INVALID_TASK Task pointer is invalid */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
487 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
488 /* HISTORY */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
489 /* */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
490 /* DATE REMARKS */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
491 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
492 /* 03-01-1993 Created initial version 1.0 */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
493 /* 04-19-1993 Verified version 1.0 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
494 /* 03-01-1994 Changed function interface, */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
495 /* resulting in version 1.1 */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
496 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
497 /* 03-18-1994 Verified version 1.1 */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
498 /* 03-17-1997 Corrected SPR220. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
499 /* */ |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
500 /*************************************************************************/ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
501 STATUS TCSE_Send_Signals(NU_TASK *task_ptr, UNSIGNED signals) |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
502 { |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
503 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
504 TC_TCB *task; /* Task control block ptr */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
505 STATUS status; /* Completion status */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
506 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
507 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
508 /* Move input task pointer into internal pointer. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
509 task = (TC_TCB *) task_ptr; |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
510 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
511 /* Determine if the task pointer is valid. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
512 if ((task != NU_NULL) && (task -> tc_id == TC_TASK_ID)) |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
513 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
514 /* Task pointer is valid, call the actual function. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
515 status = TCS_Send_Signals(task_ptr, signals); |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
516 else |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
517 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
518 /* Task pointer is invalid, return an error status. */ |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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519 status = NU_INVALID_TASK; |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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520 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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521 /* Return the completion status. */ |
947b1f473960
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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522 return(status); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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523 } |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
524 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
525 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
526 |
947b1f473960
beginning of nuc-fw
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff
changeset
|
527 |