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6441d3de WJ |
1 | #if !defined(lint) && !defined(LINT) |
2 | static char rcsid[] = "$Header: job.c,v 1.2 90/07/18 00:23:59 vixie Exp $"; | |
3 | #endif | |
4 | ||
5 | /* Copyright 1988,1990 by Paul Vixie | |
6 | * All rights reserved | |
7 | * | |
8 | * Distribute freely, except: don't remove my name from the source or | |
9 | * documentation (don't take credit for my work), mark your changes (don't | |
10 | * get me blamed for your possible bugs), don't alter or remove this | |
11 | * notice. May be sold if buildable source is provided to buyer. No | |
12 | * warrantee of any kind, express or implied, is included with this | |
13 | * software; use at your own risk, responsibility for damages (if any) to | |
14 | * anyone resulting from the use of this software rests entirely with the | |
15 | * user. | |
16 | * | |
17 | * Send bug reports, bug fixes, enhancements, requests, flames, etc., and | |
18 | * I'll try to keep a version up to date. I can be reached as follows: | |
19 | * Paul Vixie, 329 Noe Street, San Francisco, CA, 94114, (415) 864-7013, | |
20 | * paul@vixie.sf.ca.us || {hoptoad,pacbell,decwrl,crash}!vixie!paul | |
21 | */ | |
22 | ||
23 | ||
24 | #include "cron.h" | |
25 | ||
26 | ||
27 | typedef struct _job | |
28 | { | |
29 | struct _job *next; | |
30 | char *cmd; | |
31 | user *u; | |
32 | } | |
33 | job; | |
34 | ||
35 | ||
36 | static job *jhead = NULL, *jtail = NULL; | |
37 | ||
38 | ||
39 | void | |
40 | job_add(cmd, u) | |
41 | register char *cmd; | |
42 | register user *u; | |
43 | { | |
44 | register job *j; | |
45 | ||
46 | /* if already on queue, keep going */ | |
47 | for (j=jhead; j; j=j->next) | |
48 | if (j->cmd == cmd && j->u == u) { return; } | |
49 | ||
50 | /* build a job queue element */ | |
51 | j = (job*)malloc(sizeof(job)); | |
52 | j->next = (job*) NULL; | |
53 | j->cmd = cmd; | |
54 | j->u = u; | |
55 | ||
56 | /* add it to the tail */ | |
57 | if (!jhead) { jhead=j; } | |
58 | else { jtail->next=j; } | |
59 | jtail = j; | |
60 | } | |
61 | ||
62 | ||
63 | int | |
64 | job_runqueue() | |
65 | { | |
66 | register job *j; | |
67 | register int run = 0; | |
68 | ||
69 | for (j=jhead; j; j=j->next) { | |
70 | do_command(j->cmd, j->u); | |
71 | free(j); | |
72 | run++; | |
73 | } | |
74 | jhead = jtail = NULL; | |
75 | return run; | |
76 | } |