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-rw-r--r--lib/unicorn/http_request.rb4
-rw-r--r--lib/unicorn/http_server.rb8
-rw-r--r--lib/unicorn/stream_input.rb20
-rw-r--r--lib/unicorn/worker.rb4
4 files changed, 21 insertions, 15 deletions
diff --git a/lib/unicorn/http_request.rb b/lib/unicorn/http_request.rb
index bcc1f2d..69b9b52 100644
--- a/lib/unicorn/http_request.rb
+++ b/lib/unicorn/http_request.rb
@@ -75,11 +75,11 @@ class Unicorn::HttpParser
     e['REMOTE_ADDR'] = socket.kgio_addr
 
     # short circuit the common case with small GET requests first
-    socket.kgio_read!(16384, buf)
+    socket.readpartial(16384, buf)
     if parse.nil?
       # Parser is not done, queue up more data to read and continue parsing
       # an Exception thrown from the parser will throw us out of the loop
-      false until add_parse(socket.kgio_read!(16384))
+      false until add_parse(socket.readpartial(16384))
     end
 
     check_client_connection(socket) if @@check_client_connection
diff --git a/lib/unicorn/http_server.rb b/lib/unicorn/http_server.rb
index 5334fa0..bfe7d6a 100644
--- a/lib/unicorn/http_server.rb
+++ b/lib/unicorn/http_server.rb
@@ -387,12 +387,13 @@ class Unicorn::HttpServer
     # the Ruby itself and not require a separate malloc (on 32-bit MRI 1.9+).
     # Most reads are only one byte here and uncommon, so it's not worth a
     # persistent buffer, either:
-    @self_pipe[0].kgio_tryread(11)
+    @self_pipe[0].read_nonblock(11, exception: false)
   end
 
   def awaken_master
     return if $$ != @master_pid
-    @self_pipe[1].kgio_trywrite('.') # wakeup master process from select
+    # wakeup master process from select
+    @self_pipe[1].write_nonblock('.', exception: false)
   end
 
   # reaps all unreaped workers
@@ -582,7 +583,8 @@ class Unicorn::HttpServer
       500
     end
     if code
-      client.kgio_trywrite(err_response(code, @request.response_start_sent))
+      code = err_response(code, @request.response_start_sent)
+      client.write_nonblock(code, exception: false)
     end
     client.close
   rescue
diff --git a/lib/unicorn/stream_input.rb b/lib/unicorn/stream_input.rb
index 41d28a0..9246f73 100644
--- a/lib/unicorn/stream_input.rb
+++ b/lib/unicorn/stream_input.rb
@@ -49,8 +49,7 @@ class Unicorn::StreamInput
         to_read = length - @rbuf.size
         rv.replace(@rbuf.slice!(0, @rbuf.size))
         until to_read == 0 || eof? || (rv.size > 0 && @chunked)
-          @socket.kgio_read(to_read, @buf) or eof!
-          filter_body(@rbuf, @buf)
+          filter_body(@rbuf, @socket.readpartial(to_read, @buf))
           rv << @rbuf
           to_read -= @rbuf.size
         end
@@ -61,6 +60,8 @@ class Unicorn::StreamInput
       read_all(rv)
     end
     rv
+  rescue EOFError
+    return eof!
   end
 
   # :call-seq:
@@ -83,9 +84,10 @@ class Unicorn::StreamInput
     begin
       @rbuf.sub!(re, '') and return $1
       return @rbuf.empty? ? nil : @rbuf.slice!(0, @rbuf.size) if eof?
-      @socket.kgio_read(@@io_chunk_size, @buf) or eof!
-      filter_body(once = '', @buf)
+      filter_body(once = '', @socket.readpartial(@@io_chunk_size, @buf))
       @rbuf << once
+    rescue EOFError
+      return eof!
     end while true
   end
 
@@ -107,14 +109,15 @@ private
   def eof?
     if @parser.body_eof?
       while @chunked && ! @parser.parse
-        once = @socket.kgio_read(@@io_chunk_size) or eof!
-        @buf << once
+        @buf << @socket.readpartial(@@io_chunk_size)
       end
       @socket = nil
       true
     else
       false
     end
+  rescue EOFError
+    return eof!
   end
 
   def filter_body(dst, src)
@@ -127,10 +130,11 @@ private
     dst.replace(@rbuf)
     @socket or return
     until eof?
-      @socket.kgio_read(@@io_chunk_size, @buf) or eof!
-      filter_body(@rbuf, @buf)
+      filter_body(@rbuf, @socket.readpartial(@@io_chunk_size, @buf))
       dst << @rbuf
     end
+  rescue EOFError
+    return eof!
   ensure
     @rbuf.clear
   end
diff --git a/lib/unicorn/worker.rb b/lib/unicorn/worker.rb
index 5ddf379..ad5814c 100644
--- a/lib/unicorn/worker.rb
+++ b/lib/unicorn/worker.rb
@@ -65,7 +65,7 @@ class Unicorn::Worker
     end
     # writing and reading 4 bytes on a pipe is atomic on all POSIX platforms
     # Do not care in the odd case the buffer is full, here.
-    @master.kgio_trywrite([signum].pack('l'))
+    @master.write_nonblock([signum].pack('l'), exception: false)
   rescue Errno::EPIPE
     # worker will be reaped soon
   end
@@ -73,7 +73,7 @@ class Unicorn::Worker
   # this only runs when the Rack app.call is not running
   # act like a listener
   def kgio_tryaccept # :nodoc:
-    case buf = @to_io.kgio_tryread(4)
+    case buf = @to_io.read_nonblock(4, exception: false)
     when String
       # unpack the buffer and trigger the signal handler
       signum = buf.unpack('l')