const syscall.O_DIRECTORY

2 uses

	syscall (current package)
		zerrors_linux_amd64.go#L628: 	O_DIRECTORY                      = 0x10000

	os
		removeall_at.go#L172: 		r, e = unix.Openat(dirfd, name, O_RDONLY|syscall.O_CLOEXEC|syscall.O_DIRECTORY|syscall.O_NOFOLLOW, 0)