merge revision(s) 44643: [Backport #9039]
* ext/socket: Avoid unnecessary ppoll/select on Linux. Patch by Eric Wong. [ruby-core:57950] [Bug #9039]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@44943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 44643: [Backport #9039]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@44943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e