// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */ #include <vmlinux.h> #include <bpf/bpf_helpers.h> char _license[] SEC("license") = "GPL"; unsigned int idx; __u8 result[4]; SEC("cgroup/getsockopt") int child(struct bpf_sockopt *ctx) { if (idx < 4) result[idx++] = 1; return 1; } SEC("cgroup/getsockopt") int child_2(struct bpf_sockopt *ctx) { if (idx < 4) result[idx++] = 2; return 1; } SEC("cgroup/getsockopt") int parent(struct bpf_sockopt *ctx) { if (idx < 4) result[idx++] = 3; return 1; } SEC("cgroup/getsockopt") int parent_2(struct bpf_sockopt *ctx) { if (idx < 4) result[idx++] = 4; return 1; }