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annotate arogue5/daemon.c @ 201:6fb21004a981

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Fix some preprocessor directives. Include process.h in the right place, and use the correct definition of PATH_MAX, when compiling on Windows.
author John "Elwin" Edwards
date Wed, 12 Aug 2015 16:56:19 -0400
parents a5433ba4cabf
children 56e748983fa8
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0ed67132cf10 Import Advanced Rogue 5.8 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * Contains functions for dealing with things that happen in the future.
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3 *
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4 * Advanced Rogue
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5 * Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
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6 * All rights reserved.
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7 *
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8 * Based on "Rogue: Exploring the Dungeons of Doom"
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9 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
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10 * All rights reserved.
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11 *
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12 * See the file LICENSE.TXT for full copyright and licensing information.
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13 */
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14
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15 #include "curses.h"
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16 #include "rogue.h"
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17
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18 #define EMPTY 0
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19 #define DAEMON -1
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20
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21 #define _X_ { EMPTY }
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22
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23 struct delayed_action d_list[MAXDAEMONS] = {
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24 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_
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25 };
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26 struct delayed_action f_list[MAXFUSES] = {
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27 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_,
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28 _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_, _X_
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29 };
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30 int demoncnt = 0; /* number of active daemons */
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31 int fusecnt = 0;
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32
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33
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34 /*
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35 * d_slot:
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36 * Find an empty slot in the daemon list
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37 */
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38 struct delayed_action *
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39 d_slot()
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40 {
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41 reg int i;
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42 reg struct delayed_action *dev;
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43
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44 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++)
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45 if (dev->d_type == EMPTY)
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46 return dev;
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47 return NULL;
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48 }
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49
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50 /*
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51 * f_slot:
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52 * Find an empty slot in the fuses list
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53 */
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54 struct delayed_action *
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55 f_slot()
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56 {
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57 reg int i;
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58 reg struct delayed_action *dev;
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59
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60 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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61 if (dev->d_type == EMPTY)
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62 return dev;
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63 return NULL;
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64 }
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65
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66
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67
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68 /*
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69 * find_slot:
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70 * Find a particular slot in the table
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71 */
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72 struct delayed_action *
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73 find_slot(func)
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74 reg int (*func)();
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75 {
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76 reg int i;
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77 reg struct delayed_action *dev;
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78
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79 for (i = 0, dev = f_list; i < MAXFUSES; i++, dev++)
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80 if (dev->d_type != EMPTY && func == dev->d_func)
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81 return dev;
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82 return NULL;
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83 }
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84
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85
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86 /*
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87 * start_daemon:
63
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88 * Start a daemon, takes a function.
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89 */
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90 start_daemon(int (*func)(), void *arg, int type)
63
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91 {
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92 reg struct delayed_action *dev;
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93
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94 dev = d_slot();
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95 if (dev != NULL) {
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96 dev->d_type = type;
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97 dev->d_func = func;
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98 dev->d_arg = arg;
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99 dev->d_time = DAEMON;
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100 demoncnt += 1; /* update count */
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101 }
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102 }
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103
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104
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105 /*
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106 * kill_daemon:
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107 * Remove a daemon from the list
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108 */
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109 kill_daemon(func)
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110 reg int (*func)();
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111 {
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112 reg struct delayed_action *dev;
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113 reg int i;
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114
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115 for (i = 0, dev = d_list; i < MAXDAEMONS; i++, dev++) {
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116 if (dev->d_type != EMPTY && func == dev->d_func)
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117 break;
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118 }
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119 if (i >= MAXDAEMONS) return; /* if not found, forget it */
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120 /*
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121 * Take it out of the list
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122 */
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123 dev->d_type = EMPTY;
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124 dev->d_arg = NULL;
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125 dev->d_func = NULL;
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126 dev->d_time = 0;
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127 demoncnt -= 1; /* update count */
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128 }
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129
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130
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131 /*
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132 * do_daemons:
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133 * Run all the daemons that are active with the current flag,
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134 * passing the argument to the function.
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135 */
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136 do_daemons(flag)
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137 reg int flag;
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138 {
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139 reg struct delayed_action *dev;
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140
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141 /*
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142 * Loop through the devil list
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143 */
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144 for (dev = d_list; dev <= &d_list[MAXDAEMONS-1]; dev++)
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145 /*
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146 * Executing each one, giving it the proper arguments
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147 */
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148 if (dev->d_func != NULL && dev->d_type == flag && dev->d_time == DAEMON)
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149 (*dev->d_func)(dev->d_arg);
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150 }
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151
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152
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153 /*
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154 * fuse:
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155 * Start a fuse to go off in a certain number of turns
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156 */
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157 fuse(int (*func)(), void *arg, int time, int type)
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158 {
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159 reg struct delayed_action *wire;
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160
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161 wire = f_slot();
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162 if (wire != NULL) {
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163 wire->d_type = type;
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164 wire->d_func = func;
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165 wire->d_arg = arg;
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166 wire->d_time = time;
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167 fusecnt += 1; /* update count */
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168 }
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169 }
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170
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171
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172 /*
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173 * lengthen:
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174 * Increase the time until a fuse goes off
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175 */
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176 lengthen(func, xtime)
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177 reg int (*func)(), xtime;
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178 {
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179 reg struct delayed_action *wire;
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180
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181 if ((wire = find_slot(func)) == NULL)
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182 return;
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183 wire->d_time += xtime;
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184 }
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185
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186
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187 /*
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188 * extinguish:
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189 * Put out a fuse
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190 */
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191 extinguish(func)
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192 reg int (*func)();
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193 {
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194 reg struct delayed_action *wire;
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195
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196 if ((wire = find_slot(func)) == NULL)
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197 return;
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198 wire->d_type = EMPTY;
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199 wire->d_func = NULL;
114
a5433ba4cabf arogue5: fix some daemon-related pointer/int casting.
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200 wire->d_arg = NULL;
63
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201 wire->d_time = 0;
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202 fusecnt -= 1;
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203 }
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204
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205
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206 /*
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207 * do_fuses:
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208 * Decrement counters and start needed fuses
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209 */
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210 do_fuses(flag)
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211 reg int flag;
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212 {
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213 reg struct delayed_action *wire;
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214
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215 /*
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216 * Step though the list
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217 */
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218 for (wire = f_list; wire <= &f_list[MAXFUSES-1]; wire++) {
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219 /*
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220 * Decrementing counters and starting things we want. We also need
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221 * to remove the fuse from the list once it has gone off.
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222 */
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223 if(flag == wire->d_type && wire->d_time > 0 &&
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224 --wire->d_time == 0) {
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225 wire->d_type = EMPTY;
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226 if (wire->d_func != NULL)
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227 (*wire->d_func)(wire->d_arg);
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228 fusecnt -= 1;
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229 }
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230 }
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231 }
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232
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233 /*
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234 * activity:
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235 * Show wizard number of demaons and memory blocks used
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236 */
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237 activity()
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238 {
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239 sprintf(outstring,"Daemons = %d : Fuses = %d : Memory Items = %d : Memory Used = %d",
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240 demoncnt,fusecnt,total,md_memused());
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241 msg(outstring);
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242 }