| 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 | } |