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comp.lang.ruby

Ruby Cygwin RRD

raymond capozzi

4/24/2005 6:47:00 AM

I have an odd behavior for a C extension to rrdtool on Cygwin. See below for
details, but essentially if I access a string after the call to the
extension, things work. Succesive calls w/o this intermediate step, however,
cause a dump (I cannot get a core).

This problem does not exist on Solaris. I've used the original bindings on
linux with great success. I think this is just a cygwin/ruby/rrdtool
dynamic. This is mostly a straight compile of the existing ruby rrd
extension. I fixed from fix into bignums. In either case, the original and
my fixes yeild badness. I'm not sure where the problem lies, but wonder if
someone has any ideas/hints. The issue exists for both rrdtool 1.0 and 1.2.
(and BTW, the perl bindings work excellent even on cygwin. sniff).

require 'RRD'
opts =
"test.rrd",
"--start", start - 1,
"--step", 300,
"DS:a:GAUGE:600:U:U",
"DS:b:GAUGE:600:U:U",
"RRA:AVERAGE:0.5:1:300"

This breaks:

10.times { RRD.create(*opts) }

This works

10.times { RRD.create(*opts); start.to_s}

This breaks at 67

100.times { RRD.create(*opts); start.to_s}


begin 666 ruby-rrd-1.2.tar.gz
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`
end