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-rw-r--r--ext/socket/extconf.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 66fb06d..29e401a 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -253,6 +253,10 @@ def test_recvmsg_with_msg_peek_creates_fds(headers)
# [ruby-dev:44189]
# http://bugs.ruby-lang.org/issues/5075
close_fds = false
+ when /cygwin/
+ # Cygwin doesn't support fd passing.
+ # http://cygwin.com/ml/cygwin/2003-09/msg01808.html
+ close_fds = false
else
close_fds = nil
end