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-rw-r--r--ext/openssl/lib/openssl/ssl.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/ext/openssl/lib/openssl/ssl.rb b/ext/openssl/lib/openssl/ssl.rb
index 7f61fc2a62..441890865b 100644
--- a/ext/openssl/lib/openssl/ssl.rb
+++ b/ext/openssl/lib/openssl/ssl.rb
@@ -52,7 +52,8 @@ module OpenSSL
module Nonblock
def initialize(*args)
- flag = @io.fcntl(Fcntl::F_GETFL) | File::NONBLOCK
+ flag = File::NONBLOCK
+ flag |= @io.fcntl(Fcntl::F_GETFL) if defined?(Fcntl::F_GETFL)
@io.fcntl(Fcntl::F_SETFL, flag)
super
end