const os.supportsCloseOnExec

4 uses

	os (current package)
		file_unix.go#L274: 	if !supportsCloseOnExec {
		file_unix.go#L297: 	if !supportsCloseOnExec {
		root_unix.go#L51: 	if !supportsCloseOnExec {
		sys_unix.go#L14: const supportsCloseOnExec = true