1 files changed, 22 insertions, 0 deletions
diff --git a/src/vendor/golang.org/x/net/nettest/nettest_unix.go b/src/vendor/golang.org/x/net/nettest/nettest_unix.go
new file mode 100644
index 0000000..b1cb8b2
--- /dev/null
+++ b/src/vendor/golang.org/x/net/nettest/nettest_unix.go
@@ -0,0 +1,22 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
+
+package nettest
+
+import "syscall"
+
+func supportsRawSocket() bool {
+	for _, af := range []int{syscall.AF_INET, syscall.AF_INET6} {
+		s, err := syscall.Socket(af, syscall.SOCK_RAW, 0)
+		if err != nil {
+			continue
+		}
+		syscall.Close(s)
+		return true
+	}
+	return false
+}