annotate arogue5/daemon.c @ 196:80a590e67206

Advanced Rogue 5: add and use md_fdopen(). Portability is improved.
author John "Elwin" Edwards
date Tue, 11 Aug 2015 15:15:09 -0400
parents a5433ba4cabf
children 56e748983fa8
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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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f2951c4e28d9 Rename daemon() to start_daemon().
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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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a5433ba4cabf arogue5: fix some daemon-related pointer/int casting.
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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 /*