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// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
#define _GNU_SOURCE
#include <test_progs.h>
#include "test_core_retro.skel.h"
void test_core_retro(void)
{
int err, zero = 0, res, my_pid = getpid();
struct test_core_retro *skel;
/* load program */
skel = test_core_retro__open_and_load();
if (!ASSERT_OK_PTR(skel, "skel_load"))
goto out_close;
err = bpf_map__update_elem(skel->maps.exp_tgid_map, &zero, sizeof(zero),
&my_pid, sizeof(my_pid), 0);
if (!ASSERT_OK(err, "map_update"))
goto out_close;
/* attach probe */
err = test_core_retro__attach(skel);
if (!ASSERT_OK(err, "attach_kprobe"))
goto out_close;
/* trigger */
usleep(1);
err = bpf_map__lookup_elem(skel->maps.results, &zero, sizeof(zero), &res, sizeof(res), 0);
if (!ASSERT_OK(err, "map_lookup"))
goto out_close;
ASSERT_EQ(res, my_pid, "pid_check");
out_close:
test_core_retro__destroy(skel);
}
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