Re: Two indentical timed cronjobs, one gets ignored

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02-18-2008, 09:15 AM

Han Boetes

Posts: n/a

Re: Two indentical timed cronjobs, one gets ignored

Gregory Hinton wrote:
> On 3/19/07, Han Boetes <han@mijncomputer.nl> wrote:
> > I just had two cronjobs which were set on the same time and
> > the first match was executed and the second was ignored.
>
> Maybe I misunderstand your description of the problem, but it
> seems to work fine for me using recent -current code:
> [snip: output of test]

Yes with that job I get the same result. I must be observing
something else.

> > Another thing, crontab -l shows this header.
> >
> > # DO NOT EDIT THIS FILE - edit the master and reinstall.
> > # (/tmp/crontab.hwekl21478 installed on Tue Mar 20 03:34:00 2007)
> > # (Cron version V5.0 -- $OpenBSD: crontab.c,v 1.51 2007/02/19 00:08:38 jmc
> > Exp $)
> >
> > Wouldn't it be nicer to skip this header?
>
> Yes, perhaps this header would in fact confuse noobs, but isn't
> that part of official obsd policy?

It is, so I doubt they like this patch, but I attempt it anyway. :-)

Index: crontab.c
================================================== =================
RCS file: /cvs/src/usr.sbin/cron/crontab.c,v
retrieving revision 1.51
diff -u -p -u -p -w -r1.51 crontab.c
--- crontab.c 19 Feb 2007 00:08:38 -0000 1.51
+++ crontab.c 20 Mar 2007 11:31:38 -0000
@@ -229,7 +229,7 @@ static void
list_cmd(void) {
char n[MAX_FNAME];
FILE *f;
- int ch;
+ int ch, rets = 0;

log_it(RealUser, Pid, "LIST", User);
if (snprintf(n, sizeof n, "%s/%s", SPOOL_DIR, User) >= sizeof(n)) {
@@ -244,11 +244,15 @@ list_cmd(void) {
exit(ERROR_EXIT);
}

- /* file is open. copy to stdout, close.
+ /* file is open. skip headerlines, copy to stdout, close.
*/
Set_LineNum(1)
- while (EOF != (ch = get_char(f)))
+ while (EOF != (ch = get_char(f))) {
+ if (rets > NHEADER_LINES)
putchar(ch);
+ if (ch == '\n')
+ rets++;
+ }
fclose(f);
}

# Han

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Re: Two indentical timed cronjobs, one gets ignored