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Commit | Line | Data |
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1 | /* schedulealloc.c */ | |
2 | ||
3 | #include "schedule.h" | |
4 | #include <stdlib.h> | |
5 | ||
6 | #define ALLOCUNIT 100 | |
7 | ||
8 | schedule *freescheds; | |
9 | ||
10 | void initschedulealloc() { | |
11 | freescheds=NULL; | |
12 | } | |
13 | ||
14 | schedule *getschedule() { | |
15 | int i; | |
16 | schedule *sp; | |
17 | ||
18 | if (freescheds==NULL) { | |
19 | freescheds=(schedule *)malloc(ALLOCUNIT*sizeof(schedule)); | |
20 | for (i=0;i<ALLOCUNIT-1;i++) { | |
21 | freescheds[i].callbackparam=(void *)&(freescheds[i+1]); | |
22 | } | |
23 | freescheds[ALLOCUNIT-1].callbackparam=NULL; | |
24 | } | |
25 | ||
26 | sp=freescheds; | |
27 | freescheds=(schedule *)sp->callbackparam; | |
28 | ||
29 | return sp; | |
30 | } | |
31 | ||
32 | void freeschedule(schedule *sp) { | |
33 | sp->callbackparam=(void *)freescheds; | |
34 | sp->callback=NULL; | |
35 | freescheds=sp; | |
36 | } | |
37 |