root/tools/testing/selftests/bpf/prog_tests/pinning_htab.c
// SPDX-License-Identifier: GPL-2.0

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

static void unpin_map(const char *map_name, const char *pin_path)
{
        struct test_pinning_htab *skel;
        struct bpf_map *map;
        int err;

        skel = test_pinning_htab__open_and_load();
        if (!ASSERT_OK_PTR(skel, "skel open_and_load"))
                return;

        map = bpf_object__find_map_by_name(skel->obj, map_name);
        if (!ASSERT_OK_PTR(map, "bpf_object__find_map_by_name"))
                goto out;

        err = bpf_map__pin(map, pin_path);
        if (!ASSERT_OK(err, "bpf_map__pin"))
                goto out;

        err = bpf_map__unpin(map, pin_path);
        ASSERT_OK(err, "bpf_map__unpin");
out:
        test_pinning_htab__destroy(skel);
}

void test_pinning_htab(void)
{
        if (test__start_subtest("timer_prealloc"))
                unpin_map("timer_prealloc", "/sys/fs/bpf/timer_prealloc");
        if (test__start_subtest("timer_no_prealloc"))
                unpin_map("timer_no_prealloc", "/sys/fs/bpf/timer_no_prealloc");
}