FreeCalypso > hg > freecalypso-citrine

annotate nucleus/mbf.c @ 49:908742e46a7f default tip

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README: FC Selenite updates
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 14 Apr 2020 21:55:22 +0000
parents 75a11d740a02
children
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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 /* mbf.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 /* MB - Mailbox Management */
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21 /* */
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22 /* DESCRIPTION */
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23 /* */
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24 /* This file contains routines to obtain facts about the Mailbox */
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25 /* management component. */
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26 /* */
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27 /* DATA STRUCTURES */
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28 /* */
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29 /* None */
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30 /* */
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31 /* FUNCTIONS */
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32 /* */
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33 /* MBF_Established_Mailboxes Number of created mailboxes */
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34 /* MBF_Mailbox_Pointers Build mailbox pointer list */
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35 /* MBF_Mailbox_Information Retrieve mailbox information */
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36 /* */
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37 /* DEPENDENCIES */
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38 /* */
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39 /* cs_extr.h Common Service functions */
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40 /* tc_extr.h Thread Control functions */
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41 /* mb_extr.h Mailbox functions */
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42 /* hi_extr.h History functions */
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43 /* */
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44 /* HISTORY */
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45 /* */
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46 /* DATE REMARKS */
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47 /* */
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48 /* 03-01-1994 Initial version of mailbox fact */
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49 /* service file, version 1.1 */
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50 /* */
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51 /* 03-18-1994 Verified version 1.1 */
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52 /* 04-17-1996 updated to version 1.2 */
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53 /* 11-18-1996 Protected Informational service */
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54 /* from NULL Control Block pointers */
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55 /* creating 1.2a. (SPR220) */
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56 /* 03-24-1998 Released version 1.3 */
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57 /* 03-26-1999 Released 1.11m (new release */
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58 /* numbering scheme) */
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59 /* 04-17-2002 Released version 1.13m */
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60 /* 11-07-2002 Released version 1.14 */
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61 /*************************************************************************/
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62 #define NU_SOURCE_FILE
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63
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64
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65 #include "cs_extr.h" /* Common service functions */
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66 #include "tc_extr.h" /* Thread control functions */
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67 #include "mb_extr.h" /* Mailbox functions */
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68 #include "hi_extr.h" /* History functions */
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69
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70
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71 /* Define external inner-component global data references. */
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72
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73 extern CS_NODE *MBD_Created_Mailboxes_List;
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74 extern UNSIGNED MBD_Total_Mailboxes;
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75 extern TC_PROTECT MBD_List_Protect;
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76
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77
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78 /* Define internal component function prototypes. */
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79
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80 VOID MBC_Cleanup(VOID *information);
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81
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82
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83 /*************************************************************************/
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84 /* */
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85 /* FUNCTION */
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86 /* */
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87 /* MBF_Established_Mailboxes */
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88 /* */
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89 /* DESCRIPTION */
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90 /* */
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91 /* This function returns the current number of established */
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92 /* mailboxes. Mailboxes previously deleted are no longer */
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93 /* considered established. */
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94 /* */
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95 /* CALLED BY */
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96 /* */
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97 /* Application */
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98 /* */
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99 /* CALLS */
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100 /* */
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101 /* [TCT_Check_Stack] Stack checking function */
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102 /* */
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103 /* INPUTS */
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104 /* */
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105 /* None */
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106 /* */
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107 /* OUTPUTS */
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108 /* */
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109 /* MBD_Total_Mailboxes Number of established */
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110 /* mailboxes */
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111 /* */
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112 /* HISTORY */
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113 /* */
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114 /* DATE REMARKS */
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115 /* */
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116 /* 03-01-1993 Created initial version 1.0 */
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117 /* 04-19-1993 Verified version 1.0 */
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118 /* */
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119 /*************************************************************************/
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120 UNSIGNED MBF_Established_Mailboxes(VOID)
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121 {
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122
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123
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124 #ifdef NU_ENABLE_STACK_CHECK
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125
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diff changeset
126 /* Call stack checking function to check for an overflow condition. */
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127 TCT_Check_Stack();
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128
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129 #endif
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130
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diff changeset
131 /* Return the number of established mailboxes. */
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132 return(MBD_Total_Mailboxes);
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133 }
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134
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135
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diff changeset
136 /*************************************************************************/
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137 /* */
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138 /* FUNCTION */
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139 /* */
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140 /* MBF_Mailbox_Pointers */
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141 /* */
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142 /* DESCRIPTION */
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143 /* */
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144 /* This function builds a list of mailbox pointers, starting at the */
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diff changeset
145 /* specified location. The number of mailbox pointers placed in */
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146 /* the list is equivalent to the total number of mailboxes or the */
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147 /* maximum number of pointers specified in the call. */
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148 /* */
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149 /* CALLED BY */
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150 /* */
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diff changeset
151 /* Application */
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152 /* */
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153 /* CALLS */
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154 /* */
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diff changeset
155 /* [TCT_Check_Stack] Stack checking function */
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diff changeset
156 /* TCT_Protect Protect created list */
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diff changeset
157 /* TCT_Unprotect Release protection */
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158 /* */
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diff changeset
159 /* INPUTS */
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diff changeset
160 /* */
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parents:
diff changeset
161 /* pointer_list Pointer to the list area */
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diff changeset
162 /* maximum_pointers Maximum number of pointers */
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diff changeset
163 /* */
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parents:
diff changeset
164 /* OUTPUTS */
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165 /* */
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diff changeset
166 /* pointers Number of mailboxes placed */
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167 /* in the list */
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168 /* HISTORY */
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diff changeset
169 /* */
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170 /* DATE REMARKS */
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171 /* */
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diff changeset
172 /* 03-01-1993 Created initial version 1.0 */
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diff changeset
173 /* 04-19-1993 Verified version 1.0 */
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parents:
diff changeset
174 /* 08-09-1993 Corrected pointer retrieval */
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diff changeset
175 /* loop, resulting in version 1.0a */
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diff changeset
176 /* 08-09-1993 Verified version 1.0a */
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diff changeset
177 /* 03-01-1994 Changed function interface to */
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178 /* match the prototype, */
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diff changeset
179 /* resulting in version 1.1 */
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180 /* */
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diff changeset
181 /* 03-18-1994 Verified version 1.1 */
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diff changeset
182 /* */
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183 /*************************************************************************/
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184 UNSIGNED MBF_Mailbox_Pointers(NU_MAILBOX **pointer_list,
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185 UNSIGNED maximum_pointers)
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186 {
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diff changeset
187 CS_NODE *node_ptr; /* Pointer to each MCB */
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188 UNSIGNED pointers; /* Number of pointers in list*/
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189 NU_SUPERV_USER_VARIABLES
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190
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diff changeset
191 /* Switch to supervisor mode */
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diff changeset
192 NU_SUPERVISOR_MODE();
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diff changeset
193
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diff changeset
194 #ifdef NU_ENABLE_STACK_CHECK
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diff changeset
195
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diff changeset
196 /* Call stack checking function to check for an overflow condition. */
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197 TCT_Check_Stack();
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198
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diff changeset
199 #endif
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diff changeset
200
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parents:
diff changeset
201 /* Initialize the number of pointers returned. */
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202 pointers = 0;
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diff changeset
203
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diff changeset
204 /* Protect against access to the list of created mailboxes. */
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diff changeset
205 TCT_Protect(&MBD_List_Protect);
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diff changeset
206
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diff changeset
207 /* Loop until all mailbox pointers are in the list or until the maximum
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parents:
diff changeset
208 list size is reached. */
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diff changeset
209 node_ptr = MBD_Created_Mailboxes_List;
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210 while ((node_ptr) && (pointers < maximum_pointers))
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parents:
diff changeset
211 {
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parents:
diff changeset
212
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parents:
diff changeset
213 /* Place the node into the destination list. */
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parents:
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214 *pointer_list++ = (NU_MAILBOX *) node_ptr;
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parents:
diff changeset
215
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 /* Increment the pointers variable. */
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parents:
diff changeset
217 pointers++;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218
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parents:
diff changeset
219 /* Position the node pointer to the next node. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 node_ptr = node_ptr -> cs_next;
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parents:
diff changeset
221
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parents:
diff changeset
222 /* Determine if the pointer is at the head of the list. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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223 if (node_ptr == MBD_Created_Mailboxes_List)
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parents:
diff changeset
224
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 /* The list search is complete. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226 node_ptr = NU_NULL;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 /* Release protection against access to the list of created mailboxes. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 TCT_Unprotect();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /* Return to user mode */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 NU_USER_MODE();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 /* Return the number of pointers in the list. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
236 return(pointers);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
237 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
238
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parents:
diff changeset
239
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
240 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
241 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
242 /* FUNCTION */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
243 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
244 /* MBF_Mailbox_Information */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
245 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
246 /* DESCRIPTION */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
247 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
248 /* This function returns information about the specified mailbox. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
249 /* However, if the supplied mailbox pointer is invalid, the */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
250 /* function simply returns an error status. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
251 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
252 /* CALLED BY */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
253 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
254 /* Application */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
255 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
256 /* CALLS */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
257 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
258 /* [TCT_Check_Stack] Stack checking function */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
259 /* TCT_System_Protect Protect mailbox */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
260 /* TCT_Unprotect Release protection */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
261 /* */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
262 /* INPUTS */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
263 /* */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
264 /* mailbox_ptr Pointer to the mailbox */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
265 /* name Destination for the name */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
266 /* suspend_type Destination for the type of */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
267 /* suspension */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
268 /* message_present Destination for the message */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
269 /* present flag */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
270 /* tasks_waiting Destination for the tasks */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
271 /* waiting count */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
272 /* first_task Destination for the pointer */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
273 /* to the first task waiting */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
274 /* */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
275 /* OUTPUTS */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
276 /* */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
277 /* NU_SUCCESS If a valid mailbox pointer */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
278 /* is supplied */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
279 /* NU_INVALID_MAILBOX If mailbox pointer invalid */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
280 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
281 /* HISTORY */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
282 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
283 /* DATE REMARKS */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
284 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
285 /* 03-01-1993 Created initial version 1.0 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
286 /* 04-19-1993 Verified version 1.0 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
287 /* 03-01-1994 Changed function interface to */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
288 /* match the prototype, */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
289 /* resulting in version 1.1 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
290 /* */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
291 /* 03-18-1994 Verified version 1.1 */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
292 /* 11-18-1996 Corrected SPR220. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
293 /* */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
294 /*************************************************************************/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
295 STATUS MBF_Mailbox_Information(NU_MAILBOX *mailbox_ptr, CHAR *name,
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
296 OPTION *suspend_type, DATA_ELEMENT *message_present,
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
297 UNSIGNED *tasks_waiting, NU_TASK **first_task)
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
298 {
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
299
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
300 MB_MCB *mailbox; /* Mailbox control block ptr */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
301 int i; /* Working integer variable */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
302 STATUS completion; /* Completion status */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
303 NU_SUPERV_USER_VARIABLES
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
304
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
305 /* Switch to supervisor mode */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
306 NU_SUPERVISOR_MODE();
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
307
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
308 /* Move input mailbox pointer into internal pointer. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
309 mailbox = (MB_MCB *) mailbox_ptr;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
310
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
311
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
312 #ifdef NU_ENABLE_STACK_CHECK
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
313
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
314 /* Call stack checking function to check for an overflow condition. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
315 TCT_Check_Stack();
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
316
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
317 #endif
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
318
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
319 /* Determine if this mailbox id is valid. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
320 if ((mailbox != NU_NULL) && (mailbox -> mb_id == MB_MAILBOX_ID))
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
321 {
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
322
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
323 /* Setup protection of the mailbox. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
324 TCT_System_Protect();
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
325
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
326 /* The mailbox pointer is valid. Reflect this in the completion
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
327 status and fill in the actual information. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
328 completion = NU_SUCCESS;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
329
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
330 /* Copy the mailbox's name. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
331 for (i = 0; i < NU_MAX_NAME; i++)
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
332 *name++ = mailbox -> mb_name[i];
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
333
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
334 /* Determine the suspension type. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
335 if (mailbox -> mb_fifo_suspend)
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
336 *suspend_type = NU_FIFO;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
337 else
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
338 *suspend_type = NU_PRIORITY;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
339
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
340 /* Indicate whether or not there is a message in the mailbox. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
341 *message_present = mailbox -> mb_message_present;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
342
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
343 /* Retrieve the number of tasks waiting and the pointer to the
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
344 first task waiting. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
345 *tasks_waiting = mailbox -> mb_tasks_waiting;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
346 if (mailbox -> mb_suspension_list)
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
347
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
348 /* There is a task waiting. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
349 *first_task = (NU_TASK *)
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
350 (mailbox -> mb_suspension_list) -> mb_suspended_task;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
351 else
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
352
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
353 /* There are no tasks waiting. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
354 *first_task = NU_NULL;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
355
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
356 /* Release protection. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
357 TCT_Unprotect();
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
358 }
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
359 else
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
360
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
361 /* Indicate that the mailbox pointer is invalid. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
362 completion = NU_INVALID_MAILBOX;
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
363
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
364 /* Return to user mode */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
365 NU_USER_MODE();
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
366
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
367 /* Return the appropriate completion status. */
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
368 return(completion);
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
369 }
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
370
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
371
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
372
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
373
75a11d740a02 initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
374