1 files changed, 25 insertions, 0 deletions
diff --git a/src/net/sock_cloexec.go b/src/net/sock_cloexec.go
new file mode 100644
index 0000000..3f1cc98
--- /dev/null
+++ b/src/net/sock_cloexec.go
@@ -0,0 +1,25 @@
+// Copyright 2013 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.
+
+// This file implements sysSocket for platforms that provide a fast path for
+// setting SetNonblock and CloseOnExec.
+
+//go:build dragonfly || freebsd || linux || netbsd || openbsd || solaris
+
+package net
+
+import (
+	"os"
+	"syscall"
+)
+
+// Wrapper around the socket system call that marks the returned file
+// descriptor as nonblocking and close-on-exec.
+func sysSocket(family, sotype, proto int) (int, error) {
+	s, err := socketFunc(family, sotype|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, proto)
+	if err != nil {
+		return -1, os.NewSyscallError("socket", err)
+	}
+	return s, nil
+}