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annotate rogue5/daemon.c @ 223:0e99eade579c

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Generate text documentation from the troff source files. This is done by make, in the 'docs' target, which is now part of the normal build process. Unfortunately, not all the games include troff sources. Getting decent HTML output from groff is still a difficult process which will not be attempted at this time. There are a few bugs in the 'install' and 'uninstall' rules. Not to mention that the documentation is sometimes inaccurate.
author John "Elwin" Edwards
date Sun, 21 Feb 2016 20:47:12 -0500
parents f502bf60e6e4
children
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33
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1 /*
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2 * Contains functions for dealing with things that happen in the
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3 * future.
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4 *
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5 * @(#)daemon.c 4.7 (Berkeley) 02/05/99
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6 *
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7 * Rogue: Exploring the Dungeons of Doom
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8 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman
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9 * All rights reserved.
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10 *
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11 * See the file LICENSE.TXT for full copyright and licensing information.
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12 */
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13
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14 #include <curses.h>
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15 #include "rogue.h"
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16
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17 #define DAEMON -1
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18
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19 /*
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20 * d_slot:
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21 * Find an empty slot in the daemon/fuse list
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22 */
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23 struct delayed_action *
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24 d_slot(void)
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25 {
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26 struct delayed_action *dev;
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27
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28 for (dev = d_list; dev <= &d_list[MAXDAEMONS-1]; dev++)
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29 if (dev->d_type == EMPTY)
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30 return dev;
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31 #ifdef MASTER
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32 debug("Ran out of fuse slots");
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33 #endif
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34 return NULL;
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35 }
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36
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37 /*
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38 * find_slot:
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39 * Find a particular slot in the table
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40 */
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41 struct delayed_action *
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42 find_slot(void (*func)())
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43 {
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44 struct delayed_action *dev;
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45
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46 for (dev = d_list; dev <= &d_list[MAXDAEMONS-1]; dev++)
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47 if (dev->d_type != EMPTY && func == dev->d_func)
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48 return dev;
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49 return NULL;
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50 }
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51
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52 /*
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53 * start_daemon:
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54 * Start a daemon, takes a function.
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55 */
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56 void
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57 start_daemon(void (*func)(), int arg, int type)
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58 {
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59 struct delayed_action *dev;
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60
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61 dev = d_slot();
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62 dev->d_type = type;
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63 dev->d_func = func;
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64 dev->d_arg = arg;
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65 dev->d_time = DAEMON;
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66 }
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67
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68 /*
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69 * kill_daemon:
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70 * Remove a daemon from the list
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71 */
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72 void
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73 kill_daemon(void (*func)())
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74 {
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75 struct delayed_action *dev;
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76
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77 if ((dev = find_slot(func)) == NULL)
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78 return;
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79 /*
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80 * Take it out of the list
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81 */
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82 dev->d_type = EMPTY;
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83 }
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84
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85 /*
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86 * do_daemons:
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87 * Run all the daemons that are active with the current flag,
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88 * passing the argument to the function.
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89 */
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90 void
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91 do_daemons(int flag)
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92 {
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93 struct delayed_action *dev;
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94
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95 /*
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96 * Loop through the devil list
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97 */
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98 for (dev = d_list; dev <= &d_list[MAXDAEMONS-1]; dev++)
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99 /*
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100 * Executing each one, giving it the proper arguments
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101 */
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102 if (dev->d_type == flag && dev->d_time == DAEMON)
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103 (*dev->d_func)(dev->d_arg);
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104 }
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105
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106 /*
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107 * fuse:
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108 * Start a fuse to go off in a certain number of turns