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-rw-r--r--lib/unicorn.rb3
-rw-r--r--lib/unicorn/http_server.rb9
-rw-r--r--lib/unicorn/util.rb1
3 files changed, 5 insertions, 8 deletions
diff --git a/lib/unicorn.rb b/lib/unicorn.rb
index 638b846..cfa1656 100644
--- a/lib/unicorn.rb
+++ b/lib/unicorn.rb
@@ -1,5 +1,4 @@
 # -*- encoding: binary -*-
-require 'fcntl'
 require 'etc'
 require 'stringio'
 require 'rack'
@@ -100,7 +99,7 @@ module Unicorn
 
   # remove this when we only support Ruby >= 2.0
   def self.pipe # :nodoc:
-    Kgio::Pipe.new.each { |io| io.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) }
+    Kgio::Pipe.new.each { |io| io.close_on_exec = true }
   end
   # :startdoc:
 end
diff --git a/lib/unicorn/http_server.rb b/lib/unicorn/http_server.rb
index 8a295f0..95a8ffe 100644
--- a/lib/unicorn/http_server.rb
+++ b/lib/unicorn/http_server.rb
@@ -434,10 +434,7 @@ class Unicorn::HttpServer
     self.reexec_pid = fork do
       listener_fds = {}
       LISTENERS.each do |sock|
-        # IO#close_on_exec= will be available on any future version of
-        # Ruby that sets FD_CLOEXEC by default on new file descriptors
-        # ref: http://redmine.ruby-lang.org/issues/5041
-        sock.close_on_exec = false if sock.respond_to?(:close_on_exec=)
+        sock.close_on_exec = false
         listener_fds[sock.fileno] = sock
       end
       ENV['UNICORN_FD'] = listener_fds.keys.join(',')
@@ -451,7 +448,7 @@ class Unicorn::HttpServer
         next if listener_fds.include?(io)
         io = IO.for_fd(io) rescue next
         io.autoclose = false
-        io.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC)
+        io.close_on_exec = true
       end
 
       # exec(command, hash) works in at least 1.9.1+, but will only be
@@ -607,7 +604,7 @@ class Unicorn::HttpServer
     WORKERS.clear
 
     after_fork.call(self, worker) # can drop perms and create listeners
-    LISTENERS.each { |sock| sock.fcntl(Fcntl::F_SETFD, Fcntl::FD_CLOEXEC) }
+    LISTENERS.each { |sock| sock.close_on_exec = true }
 
     worker.user(*user) if user.kind_of?(Array) && ! worker.switched
     self.timeout /= 2.0 # halve it for select()
diff --git a/lib/unicorn/util.rb b/lib/unicorn/util.rb
index 94c4e37..c7784bd 100644
--- a/lib/unicorn/util.rb
+++ b/lib/unicorn/util.rb
@@ -1,5 +1,6 @@
 # -*- encoding: binary -*-
 
+require 'fcntl'
 module Unicorn::Util
 
 # :stopdoc: