root/tools/testing/selftests/bpf/prog_tests/autoattach.c
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Google */

#include <test_progs.h>
#include "test_autoattach.skel.h"

void test_autoattach(void)
{
        struct test_autoattach *skel;

        skel = test_autoattach__open_and_load();
        if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
                goto cleanup;

        /* disable auto-attach for prog2 */
        bpf_program__set_autoattach(skel->progs.prog2, false);
        ASSERT_TRUE(bpf_program__autoattach(skel->progs.prog1), "autoattach_prog1");
        ASSERT_FALSE(bpf_program__autoattach(skel->progs.prog2), "autoattach_prog2");
        if (!ASSERT_OK(test_autoattach__attach(skel), "skel_attach"))
                goto cleanup;

        usleep(1);

        ASSERT_TRUE(skel->bss->prog1_called, "attached_prog1");
        ASSERT_FALSE(skel->bss->prog2_called, "attached_prog2");

cleanup:
        test_autoattach__destroy(skel);
}