Revert "Use kqueue on macintosh"

Experiencing bugs http://github.com/ry/node/issues/#issue/74

This reverts commit 409020a67d.

benchmark/http_simple.rb

@@ -86,12 +86,10 @@ end
 if $0 == __FILE__
   #require DIR + '/../lib/ebb'
   require 'rubygems'
-#  require 'rack'
+  require 'rack'
-#  Rack::Handler::Mongrel.run(SimpleApp.new, :Port => 8000)
-  
   require 'thin'
+  require 'ebb'
+#  Rack::Handler::Mongrel.run(SimpleApp.new, :Port => 8000)
   Thin::Server.start("0.0.0.0", 8000, SimpleApp.new) 
-
-#  require 'ebb'
 #  Ebb::start_server(SimpleApp.new, :port => 8000)
 end

src/node.cc

@@ -1240,12 +1240,10 @@ int main(int argc, char *argv[]) {
   evcom_ignore_sigpipe();
 
   // Initialize the default ev loop.
-#if defined(__sun)
+#ifdef __sun
   // TODO(Ryan) I'm experiencing abnormally high load using Solaris's
   // EVBACKEND_PORT. Temporarally forcing select() until I debug.
   ev_default_loop(EVBACKEND_SELECT);
-#elif defined(__APPLE__)
-  ev_default_loop(EVBACKEND_KQUEUE);
 #else
   ev_default_loop(EVFLAG_AUTO);
 #endif