1 files changed, 4 insertions, 5 deletions
diff --git a/lib/unicorn.rb b/lib/unicorn.rb
index 7ffc8a5..cbbb283 100644
--- a/lib/unicorn.rb
+++ b/lib/unicorn.rb
@@ -161,7 +161,6 @@ module Unicorn
        # this pipe is used to wake us up from select(2) in #join when signals
        # are trapped.  See trap_deferred
        @rd_sig, @wr_sig = IO.pipe unless (@rd_sig && @wr_sig)
-      @rd_sig.nonblock = @wr_sig.nonblock = true
        mode = nil
        respawn = true
  
@@ -262,16 +261,16 @@ module Unicorn
        begin
          ready = IO.select([@rd_sig], nil, nil, 1)
          ready && ready[0] && ready[0][0] or return
-        loop { @rd_sig.sysread(Const::CHUNK_SIZE) }
+        loop { @rd_sig.read_nonblock(Const::CHUNK_SIZE) }
        rescue Errno::EAGAIN, Errno::EINTR
        end
      end
  
      def awaken_master
        begin
-        @wr_sig.syswrite('.') # wakeup master process from IO.select
-      rescue Errno::EAGAIN # pipe is full, master should wake up anyways
-      rescue Errno::EINTR
+        @wr_sig.write_nonblock('.') # wakeup master process from IO.select
+      rescue Errno::EAGAIN, Errno::EINTR
+        # pipe is full, master should wake up anyways
          retry
        end
      end