Remove threading and use worker processes instead

All tests for threading and semaphores have been removed.  One
test was changed because it depended on a shared variable.

Tests will be replaced with tests to do process management
instead.

2 files changed, 2 insertions, 48 deletions

diff --git a/lib/unicorn/http_request.rb b/lib/unicorn/http_request.rb
index a76d4e0..f70f0de 100644
--- a/lib/unicorn/http_request.rb
+++ b/lib/unicorn/http_request.rb
@@ -54,8 +54,8 @@ module Unicorn
               "rack.input" => @body,
               "rack.errors" => STDERR,
 
-              "rack.multithread" => true,
-              "rack.multiprocess" => false, # ???
+              "rack.multithread" => false,
+              "rack.multiprocess" => true,
               "rack.run_once" => false,
 
               "rack.url_scheme" => "http",
diff --git a/lib/unicorn/semaphore.rb b/lib/unicorn/semaphore.rb
deleted file mode 100644
index 1c0b87c..0000000
--- a/lib/unicorn/semaphore.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-class Semaphore
-  def initialize(resource_count = 0)
-    @available_resource_count = resource_count
-    @mutex = Mutex.new
-    @waiting_threads = []
-  end
-  
-  def wait
-    make_thread_wait unless resource_is_available
-  end
-  
-  def signal
-    schedule_waiting_thread if thread_is_waiting
-  end
-  
-  def synchronize
-    self.wait
-    yield
-  ensure
-    self.signal
-  end
-  
-  private 
-  
-  def resource_is_available
-    @mutex.synchronize do
-      return (@available_resource_count -= 1) >= 0
-    end
-  end
-  
-  def make_thread_wait
-    @waiting_threads << Thread.current
-    Thread.stop  
-  end
-  
-  def thread_is_waiting
-    @mutex.synchronize do
-      return (@available_resource_count += 1) <= 0
-    end
-  end
-  
-  def schedule_waiting_thread
-    thread = @waiting_threads.shift
-    thread.wakeup if thread
-  end
-end