[PATCH] http_server: remove close_sockets_on_exec

[Eric Wong <bofh@yhbt.net>]

This has been irrelevant since Ruby 1.9.0+, actually.
---
 lib/unicorn/http_server.rb | 16 ----------------
 1 file changed, 16 deletions(-)

diff --git a/lib/unicorn/http_server.rb b/lib/unicorn/http_server.rb
index 3416808..0ba24d8 100644
--- a/lib/unicorn/http_server.rb
+++ b/lib/unicorn/http_server.rb
@@ -446,11 +446,6 @@ def reexec
       Dir.chdir(START_CTX[:cwd])
       cmd = [ START_CTX[0] ].concat(START_CTX[:argv])
 
-      # avoid leaking FDs we don't know about, but let before_exec
-      # unset FD_CLOEXEC, if anything else in the app eventually
-      # relies on FD inheritence.
-      close_sockets_on_exec(listener_fds)
-
       # exec(command, hash) works in at least 1.9.1+, but will only be
       # required in 1.9.4/2.0.0 at earliest.
       cmd << listener_fds
@@ -472,8 +467,6 @@ def worker_spawn(worker)
     worker_info = [worker.nr, worker.to_io.fileno, worker.master.fileno]
     env['UNICORN_WORKER'] = worker_info.join(',')
 
-    close_sockets_on_exec(listener_fds)
-
     Process.spawn(env, START_CTX[0], *START_CTX[:argv], listener_fds)
   end
 
@@ -486,15 +479,6 @@ def listener_sockets
     listener_fds
   end
 
-  def close_sockets_on_exec(sockets)
-    (3..1024).each do |io|
-      next if sockets.include?(io)
-      io = IO.for_fd(io) rescue next
-      io.autoclose = false
-      io.close_on_exec = true
-    end
-  end
-
   # forcibly terminate all workers that haven't checked in in timeout seconds.  The timeout is implemented using an unlinked File
   def murder_lazy_workers
     next_sleep = @timeout - 1