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authorEric Wong <normalperson@yhbt.net>2013-10-06 11:29:50 +0000
committerEric Wong <normalperson@yhbt.net>2013-10-06 11:29:50 +0000
commit10b6447a38c4f82951ff137335895c9067f36bc6 (patch)
tree1edd2229560e864b83a6bfd4c2f3bd4fc9530fbe /lib
parent019543aa3a1074582a460b944ad5ebcddecd4394 (diff)
We never change the I/O directly, so avoid the expensive syscall and
only use a slightly-expensive Ruby method call instead (the Ruby
method call is fixed cost in either case).
Diffstat (limited to 'lib')
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/dtas/pipe.rb b/lib/dtas/pipe.rb
index 41783d3..a4ce57c 100644
--- a/lib/dtas/pipe.rb
+++ b/lib/dtas/pipe.rb
@@ -22,6 +22,11 @@ class DTAS::Pipe < IO # :nodoc:
     def pipe_size=(_)
+  # avoid syscall, we never change IO#nonblock= directly
+  def nonblock?
+    false
+  end
 # for non-blocking sinks, this avoids extra fcntl(..., F_GETFL) syscalls