1 files changed, 17 insertions, 0 deletions
diff --git a/lib/rainbows/coolio/sendfile.rb b/lib/rainbows/coolio/sendfile.rb
new file mode 100644
index 0000000..ead51a8
--- /dev/null
+++ b/lib/rainbows/coolio/sendfile.rb
@@ -0,0 +1,17 @@
+# -*- encoding: binary -*-
+# :enddoc:
+module Rainbows::Coolio::Sendfile
+  if IO.method_defined?(:sendfile_nonblock)
+    def rev_sendfile(sf) # +sf+ is a Rainbows::StreamFile object
+      sf.offset += (n = @_io.sendfile_nonblock(sf, sf.offset, sf.count))
+      0 == (sf.count -= n) and raise EOFError
+      enable_write_watcher
+      rescue Errno::EAGAIN
+        enable_write_watcher
+    end
+  else
+    def rev_sendfile(body)
+      write(body.to_io.sysread(0x4000))
+    end
+  end
+end