[rrd-users] C API?
mark.easton at azurebell.co.nz
Fri Feb 9 05:47:11 CET 2007
Cool, thanks Travis,
Yes I have worked out all of this.
I am pleased now it is working - so now am just learning how to use the
various rrdtool methods.
Travis Spencer wrote:
> On 2/6/07, Mark Easton <mark.easton at azurebell.co.nz> wrote:
>> Gosh the C api is a closely guarded secret it seems.
> I wouldn't say that. Almost everything that you need to know is at
> http://oss.oetiker.ch/rrdtool/doc/index.en.html. The only real
> secrets have been discussed on this and the developer list before.
> This is what I've picked up:
> 1. Free any double pointers you pass into RRD upon success
> 2. Lock other threads out before calling any of RRD's function if
> you're running in a multithreaded environment and calling a
> non-reentrant version of an RRD function
> 3. Clear optint, opterr, and call rrd_clear_error before invoking an
> RRD function
> 4. All RRD functions return a non-zero value on failure and zero upon
> 5. You can call rrd_test_error to find out more when something goes wrong.
> 6 Ask here if you get stuck ;-)
> Did I miss any?
> for a few more details. Also, I would suggest that you subscribe to
> the lists with a gmail account or something, so you can search them
> easily. (That's what I do anyway.)
> Happy hacking, Mark.
> Travis Spencer
> rrd-users mailing list
> rrd-users at lists.oetiker.ch
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