const os.O_EXCL

5 uses

	os (current package)
		dir.go#L176: 			w, err := OpenFile(newPath, O_CREATE|O_EXCL|O_WRONLY, 0666|info.Mode()&0777)
		file.go#L87: 	O_EXCL   int = syscall.O_EXCL   // used with O_CREATE, file must not exist.
		root_unix.go#L89: 				isCreateExcl := flag&(O_CREATE|O_EXCL) == (O_CREATE | O_EXCL)
		tempfile.go#L49: 		f, err := OpenFile(name, O_RDWR|O_CREATE|O_EXCL, 0600)