code shuffling for kgio

Despite the large number of changes, most of it is code
movement here.

1 files changed, 44 insertions, 0 deletions

diff --git a/lib/rainbows/fiber/io/methods.rb b/lib/rainbows/fiber/io/methods.rb
new file mode 100644
index 0000000..663fdb4
--- /dev/null
+++ b/lib/rainbows/fiber/io/methods.rb
@@ -0,0 +1,44 @@
+# -*- encoding: binary -*-
+
+module Rainbows::Fiber::IO::Methods
+  RD = Rainbows::Fiber::RD
+  WR = Rainbows::Fiber::WR
+  attr_accessor :f
+
+  # for wrapping output response bodies
+  def each(&block)
+    if buf = kgio_read(16384)
+      yield buf
+      yield buf while kgio_read(16384, buf)
+    end
+    self
+  end
+
+  def close
+    fd = fileno
+    RD[fd] = WR[fd] = nil
+    super
+  end
+
+  def wait_readable
+    fd = fileno
+    @f = Fiber.current
+    RD[fd] = self
+    Fiber.yield
+    RD[fd] = nil
+  end
+
+  def wait_writable
+    fd = fileno
+    @f = Fiber.current
+    WR[fd] = self
+    Fiber.yield
+    WR[fd] = nil
+  end
+
+  def self.included(klass)
+    if klass.method_defined?(:kgio_write)
+      klass.__send__(:alias_method, :write, :kgio_write)
+    end
+  end
+end