1 files changed, 0 insertions, 58 deletions
diff --git a/vendor/google.golang.org/grpc/internal/credentials/syscallconn.go b/vendor/google.golang.org/grpc/internal/credentials/syscallconn.go
deleted file mode 100644
index 2919632d6..000000000
--- a/vendor/google.golang.org/grpc/internal/credentials/syscallconn.go
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- *
- * 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 credentials
-
-import (
-	"net"
-	"syscall"
-)
-
-type sysConn = syscall.Conn
-
-// syscallConn keeps reference of rawConn to support syscall.Conn for channelz.
-// SyscallConn() (the method in interface syscall.Conn) is explicitly
-// implemented on this type,
-//
-// Interface syscall.Conn is implemented by most net.Conn implementations (e.g.
-// TCPConn, UnixConn), but is not part of net.Conn interface. So wrapper conns
-// that embed net.Conn don't implement syscall.Conn. (Side note: tls.Conn
-// doesn't embed net.Conn, so even if syscall.Conn is part of net.Conn, it won't
-// help here).
-type syscallConn struct {
-	net.Conn
-	// sysConn is a type alias of syscall.Conn. It's necessary because the name
-	// `Conn` collides with `net.Conn`.
-	sysConn
-}
-
-// WrapSyscallConn tries to wrap rawConn and newConn into a net.Conn that
-// implements syscall.Conn. rawConn will be used to support syscall, and newConn
-// will be used for read/write.
-//
-// This function returns newConn if rawConn doesn't implement syscall.Conn.
-func WrapSyscallConn(rawConn, newConn net.Conn) net.Conn {
-	sysConn, ok := rawConn.(syscall.Conn)
-	if !ok {
-		return newConn
-	}
-	return &syscallConn{
-		Conn:    newConn,
-		sysConn: sysConn,
-	}
-}