linux-zen-desktop/tools/testing/selftests/bpf/prog_tests/prog_array_init.c

33 lines
766 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2021 Hengqi Chen */
#include <test_progs.h>
#include "test_prog_array_init.skel.h"
void test_prog_array_init(void)
{
struct test_prog_array_init *skel;
int err;
skel = test_prog_array_init__open();
if (!ASSERT_OK_PTR(skel, "could not open BPF object"))
return;
skel->rodata->my_pid = getpid();
err = test_prog_array_init__load(skel);
if (!ASSERT_OK(err, "could not load BPF object"))
goto cleanup;
skel->links.entry = bpf_program__attach_raw_tracepoint(skel->progs.entry, "sys_enter");
if (!ASSERT_OK_PTR(skel->links.entry, "could not attach BPF program"))
goto cleanup;
usleep(1);
ASSERT_EQ(skel->bss->value, 42, "unexpected value");
cleanup:
test_prog_array_init__destroy(skel);
}