root/tools/testing/selftests/bpf/prog_tests/timer_crash.c
// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include "timer_crash.skel.h"

enum {
        MODE_ARRAY,
        MODE_HASH,
};

static void test_timer_crash_mode(int mode)
{
        struct timer_crash *skel;

        skel = timer_crash__open_and_load();
        if (!skel && errno == EOPNOTSUPP) {
                test__skip();
                return;
        }
        if (!ASSERT_OK_PTR(skel, "timer_crash__open_and_load"))
                return;
        skel->bss->pid = getpid();
        skel->bss->crash_map = mode;
        if (!ASSERT_OK(timer_crash__attach(skel), "timer_crash__attach"))
                goto end;
        usleep(1);
end:
        timer_crash__destroy(skel);
}

void test_timer_crash(void)
{
        if (test__start_subtest("array"))
                test_timer_crash_mode(MODE_ARRAY);
        if (test__start_subtest("hash"))
                test_timer_crash_mode(MODE_HASH);
}