LXR linux/tools/testing/selftests/bpf/prog_tests/linked

   1// SPDX-License-Identifier: GPL-2.0
   2/* Copyright (c) 2021 Facebook */
   3
   4#include <test_progs.h>
   5#include <sys/syscall.h>
   6#include "linked_maps.skel.h"
   7
   8void test_linked_maps(void)
   9{
  10        int err;
  11        struct linked_maps *skel;
  12
  13        skel = linked_maps__open_and_load();
  14        if (!ASSERT_OK_PTR(skel, "skel_open"))
  15                return;
  16
  17        err = linked_maps__attach(skel);
  18        if (!ASSERT_OK(err, "skel_attach"))
  19                goto cleanup;
  20
  21        /* trigger */
  22        syscall(SYS_getpgid);
  23
  24        ASSERT_EQ(skel->bss->output_first1, 2000, "output_first1");
  25        ASSERT_EQ(skel->bss->output_second1, 2, "output_second1");
  26        ASSERT_EQ(skel->bss->output_weak1, 2, "output_weak1");
  27
  28cleanup:
  29        linked_maps__destroy(skel);
  30}
  31