2 calls to unlink in checkresults

[Jon Angliss]

On Wed, 13 May 2009 17:47:06 -0400, Mathieu Gagné <mgagne at iweb.com>
wrote:

>Hi,
>
>I did a strace on the Nagios daemon and found out there's 2 calls to 
>unlink for each check result file in checkresults.

I believe they're only temporary files to contact results from a
specific check.

>For example:
>
>stat64("/usr/local/nagios/var/spool/checkresults/cXKYnMY", 
>{st_mode=S_IFREG|0600, st_size=475, ...}) = 0
>stat64("/usr/local/nagios/var/spool/checkresults/cXKYnMY.ok", 
>{st_mode=S_IFREG|0600, st_size=0, ...}) = 0
>time(NULL)                              = 1242249182
>open("/usr/local/nagios/var/spool/checkresults/cXKYnMY", O_RDONLY) = 7
>fstat64(7, {st_mode=S_IFREG|0600, st_size=475, ...}) = 0
>mmap2(NULL, 475, PROT_READ, MAP_PRIVATE, 7, 0) = 0xb7ee8000
>munmap(0xb7ee8000, 475)                 = 0
>close(7)                                = 0
>unlink("/usr/local/nagios/var/spool/checkresults/cXKYnMY") = 0
>unlink("/usr/local/nagios/var/spool/checkresults/cXKYnMY.ok") = 0
>
>[......]
>
>unlink("/usr/local/nagios/var/spool/checkresults/cXKYnMY") = -1 ENOENT 
>(No such file or directory)
>unlink("/usr/local/nagios/var/spool/checkresults/cXKYnMY.ok") = -1 
>ENOENT (No such file or directory)
>
>
>Any idea about the source of this problem? (if it's one)

Are you seeing a problem?  It's supposed to unlink them I believe. See
base/utils.c delete_check_result_file, I believe that's probably where
you're seeing the two unlink calls come from.

-- 
Jonathan Angliss
<jon at netdork.net>


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