1 /* @(#)schedule.c 8.1 (Berkeley) 5/31/93 */
2 /* $NetBSD: schedule.c,v 1.11 2009/05/24 22:55:03 dholland Exp $ */
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42 ** An event of type 'type' is scheduled for time NOW + 'offset'
43 ** into the first available slot. 'x', 'y', and 'z' are
44 ** considered the attributes for this event.
46 ** The address of the slot is returned.
50 schedule(int type, double offset, int x, int y, int z)
56 date = Now.date + offset;
57 for (i = 0; i < MAXEVENTS; i++) {
64 printf("schedule: type %d @ %.2f "
65 "slot %d parm %d %d %d\n",
66 type, date, i, x, y, z);
73 Now.eventptr[type & ~E_GHOST] = e;
76 errx(1, "Cannot schedule event %d parm %d %d %d", type, x, y, z);
81 ** RESCHEDULE AN EVENT
83 ** The event pointed to by 'e' is rescheduled to the current
84 ** time plus 'offset'.
88 reschedule(struct event *e1, double offset)
95 date = Now.date + offset;
99 printf("reschedule: type %d parm %d %d %d @ %.2f\n",
100 e->evcode, e->x, e->y, e->systemname, date);
107 ** UNSCHEDULE AN EVENT
109 ** The event at slot 'e' is deleted.
113 unschedule(struct event *e1)
121 printf("unschedule: type %d @ %.2f parm %d %d %d\n",
122 e->evcode, e->date, e->x, e->y, e->systemname);
124 Now.eventptr[e->evcode & E_EVENT] = 0;
132 ** Abreviated schedule routine
134 ** Parameters are the event index and a factor for the time
139 xsched(int ev1, int factor, int x, int y, int z)
145 when = -Param.eventdly[ev] * Param.time * log(franf()) / factor;
146 return (schedule(ev, when, x, y, z));
151 ** Simplified reschedule routine
153 ** Parameters are the event index, the initial date, and the
154 ** division factor. Look at the code to see what really happens.
158 xresched(struct event *e1, int ev1, int factor)
166 when = -Param.eventdly[ev] * Param.time * log(franf()) / factor;