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693d8207 GR |
1 | /* Copyright 1988,1990,1993,1994 by Paul Vixie |
2 | * All rights reserved | |
3 | * | |
4 | * Distribute freely, except: don't remove my name from the source or | |
5 | * documentation (don't take credit for my work), mark your changes (don't | |
6 | * get me blamed for your possible bugs), don't alter or remove this | |
7 | * notice. May be sold if buildable source is provided to buyer. No | |
8 | * warrantee of any kind, express or implied, is included with this | |
9 | * software; use at your own risk, responsibility for damages (if any) to | |
10 | * anyone resulting from the use of this software rests entirely with the | |
11 | * user. | |
12 | * | |
13 | * Send bug reports, bug fixes, enhancements, requests, flames, etc., and | |
14 | * I'll try to keep a version up to date. I can be reached as follows: | |
15 | * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul | |
16 | * From Id: job.c,v 1.6 1994/01/15 20:43:43 vixie Exp | |
17 | */ | |
18 | ||
19 | #if !defined(lint) && !defined(LINT) | |
20 | static char rcsid[] = "$Header: $"; | |
21 | #endif | |
22 | ||
23 | ||
24 | #include "cron.h" | |
25 | ||
26 | ||
27 | typedef struct _job { | |
28 | struct _job *next; | |
29 | entry *e; | |
30 | user *u; | |
31 | } job; | |
32 | ||
33 | ||
34 | static job *jhead = NULL, *jtail = NULL; | |
35 | ||
36 | ||
37 | void | |
38 | job_add(e, u) | |
39 | register entry *e; | |
40 | register user *u; | |
41 | { | |
42 | register job *j; | |
43 | ||
44 | /* if already on queue, keep going */ | |
45 | for (j=jhead; j; j=j->next) | |
46 | if (j->e == e && j->u == u) { return; } | |
47 | ||
48 | /* build a job queue element */ | |
49 | j = (job*)malloc(sizeof(job)); | |
50 | j->next = (job*) NULL; | |
51 | j->e = e; | |
52 | j->u = u; | |
53 | ||
54 | /* add it to the tail */ | |
55 | if (!jhead) { jhead=j; } | |
56 | else { jtail->next=j; } | |
57 | jtail = j; | |
58 | } | |
59 | ||
60 | ||
61 | int | |
62 | job_runqueue() | |
63 | { | |
64 | register job *j, *jn; | |
65 | register int run = 0; | |
66 | ||
67 | for (j=jhead; j; j=jn) { | |
68 | do_command(j->e, j->u); | |
69 | jn = j->next; | |
70 | free(j); | |
71 | run++; | |
72 | } | |
73 | jhead = jtail = NULL; | |
74 | return run; | |
75 | } |