drb: close graceful shutdown pipe before socket
Closing a listen socket while entering select(2) may trigger IOError or even deadlock because another thread may give the file descriptor to another file description; meaning the kernel can wait on the wrong description.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
drb: close graceful shutdown pipe before socket
Closing a listen socket while entering select(2) may
trigger IOError or even deadlock because another thread
may give the file descriptor to another file description;
meaning the kernel can wait on the wrong description.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64532 b2dd03c8-39d4-4d8f-98ff-823fe69b080e