const os.O_EXCL

2 uses

	os (current package)
		file.go#L81: 	O_EXCL   int = syscall.O_EXCL   // used with O_CREATE, file must not exist.
		tempfile.go#L44: 		f, err := OpenFile(name, O_RDWR|O_CREATE|O_EXCL, 0600)