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-rw-r--r--ext/socket/socket.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index fa73dbb68a..00f3525f13 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -281,9 +281,9 @@ sock_connect(VALUE sock, VALUE addr)
* begin # emulate blocking connect
* socket.connect_nonblock(sockaddr)
* rescue Errno::EINPROGRESS
- * IO.select(nil, [socket])
+ * IO.select(nil, [socket]) # wait 3-way handshake completion
* begin
- * socket.connect_nonblock(sockaddr)
+ * socket.connect_nonblock(sockaddr) # check connection failure
* rescue Errno::EISCONN
* end
* end