* lib/tmpdir.rb (Dir.mktmpdir): rolled back r24699. [ruby-dev:39193]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24701 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/tmpdir.rb b/lib/tmpdir.rb
index 1b137eeae3..0d247bdd54 100644
--- a/lib/tmpdir.rb
+++ b/lib/tmpdir.rb
@@ -111,10 +111,9 @@ class Dir
     end
     tmpdir ||= Dir.tmpdir
     t = Time.now.strftime("%Y%m%d")
-    th = Thread.current.object_id.to_s(36)
     n = nil
     begin
-      path = "#{tmpdir}/#{prefix}#{t}-#{$$}-#{th}-#{rand(0x100000000).to_s(36)}"
+      path = "#{tmpdir}/#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"
       path << "-#{n}" if n
       path << suffix
       Dir.mkdir(path, 0700)