Re: [Nagios-devel] Nagios fails on empty config file
Posted: Wed Aug 23, 2006 1:10 am
On Wed, Aug 23, 2006 at 11:04:32AM +0200, Andreas Ericsson wrote:
> Having investigated a bit further, it seems the mmap() call is the
> culprit in case the system doesn't support zero-length mmaps (many
> systems don't), in which case a simple "echo > config_file" would do the
> trick. Marc, can you verify if this is the case?
Yes, the issue is an _empty_ file.
> The simplest solution in this case would be to just skip the mmap() step
> in case of zero-length files, as they're closed before real operations
> commence anyways, and I think it's safe to assume most systems can spare
> the 100 bytes or so of memory that are lost during the config reading.
Sounds acceptable.
Greetings
Marc
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Marc Haber | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834
Nordisch by Nature | How to make an American Quilt | Fax: *49 621 72739835
This post was automatically imported from historical nagios-devel mailing list archives
Original poster: [email protected]
> Having investigated a bit further, it seems the mmap() call is the
> culprit in case the system doesn't support zero-length mmaps (many
> systems don't), in which case a simple "echo > config_file" would do the
> trick. Marc, can you verify if this is the case?
Yes, the issue is an _empty_ file.
> The simplest solution in this case would be to just skip the mmap() step
> in case of zero-length files, as they're closed before real operations
> commence anyways, and I think it's safe to assume most systems can spare
> the 100 bytes or so of memory that are lost during the config reading.
Sounds acceptable.
Greetings
Marc
--
-----------------------------------------------------------------------------
Marc Haber | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834
Nordisch by Nature | How to make an American Quilt | Fax: *49 621 72739835
This post was automatically imported from historical nagios-devel mailing list archives
Original poster: [email protected]