event_hook

DESCRIPTION:

Wraps rb_add_event_hook so you can write fast ruby event hook processors w/o the speed penalty that comes with set_trace_func (sooo sloooow!). Calls back into ruby so you don’t have to write C.

% ruby demo.rb 
# of iterations = 1000000
                          user     system      total        real
null_time             0.120000   0.000000   0.120000 (  0.125279)
ruby time             0.560000   0.000000   0.560000 (  0.562834)
event hook            3.160000   0.010000   3.170000 (  3.175361)
set_trace_func       34.530000   0.100000  34.630000 ( 34.942785)

FEATURES/PROBLEMS:

SYNOPSIS:

class StupidTracer < EventHook
  self.process(*args)
    p args
  end
end

REQUIREMENTS:

INSTALL:

LICENSE:

(The MIT License)

Copyright © 2009 Ryan Davis, Seattle.rb

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.