gcc/libgo/go/os/sys_unix.go

// Copyright 2014 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 || hurd || linux || netbsd || openbsd || solaris

package os

// supportsCloseOnExec reports whether the platform supports the
// O_CLOEXEC flag.
// On Darwin, the O_CLOEXEC flag was introduced in OS X 10.7 (Darwin 11.0.0).
// See https://support.apple.com/kb/HT1633.
// On FreeBSD, the O_CLOEXEC flag was introduced in version 8.3.
const supportsCloseOnExec = true