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-rw-r--r--sample/svr.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/sample/svr.rb b/sample/svr.rb
index c00a03c8cf..1c0104cc40 100644
--- a/sample/svr.rb
+++ b/sample/svr.rb
@@ -1,3 +1,6 @@
+# socket example - server side
+# usage: ruby svr.rb
+
gs = TCPserver.open(0)
printf("server port is on %d\n", gs.port)
socks = [gs]