From 6392e00653d3b81062ef60d8ae2fa2621873533f Mon Sep 17 00:00:00 2001
From: Dominik Süß <dominik@suess.wtf>
Date: Tue, 9 May 2023 19:19:48 +0200
Subject: feat: initial tracing support (#1623)

---
 .../grpc/internal/channelz/util_linux.go           | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 vendor/google.golang.org/grpc/internal/channelz/util_linux.go

(limited to 'vendor/google.golang.org/grpc/internal/channelz/util_linux.go')

diff --git a/vendor/google.golang.org/grpc/internal/channelz/util_linux.go b/vendor/google.golang.org/grpc/internal/channelz/util_linux.go
new file mode 100644
index 000000000..8d194e44e
--- /dev/null
+++ b/vendor/google.golang.org/grpc/internal/channelz/util_linux.go
@@ -0,0 +1,37 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package channelz
+
+import (
+	"syscall"
+)
+
+// GetSocketOption gets the socket option info of the conn.
+func GetSocketOption(socket interface{}) *SocketOptionData {
+	c, ok := socket.(syscall.Conn)
+	if !ok {
+		return nil
+	}
+	data := &SocketOptionData{}
+	if rawConn, err := c.SyscallConn(); err == nil {
+		rawConn.Control(data.Getsockopt)
+		return data
+	}
+	return nil
+}
-- 
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