tools/testing/selftests/bpf/progs/test_link_pinning.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2020 Facebook */
   3
   4 #include <stdbool.h>
   5 #include <linux/bpf.h>
   6 #include <bpf/bpf_helpers.h>
   7
   8 int in = 0;
   9 int out = 0;
  10
  11 SEC("raw_tp/sys_enter")
  12 int raw_tp_prog(const void *ctx)
  13 {
  14         out = in;
  15         return 0;
  16 }
  17
  18 SEC("tp_btf/sys_enter")
  19 int tp_btf_prog(const void *ctx)
  20 {
  21         out = in;
  22         return 0;
  23 }
  24
  25 char _license[] SEC("license") = "GPL";