1 // SPDX-License-Identifier: GPL-2.0
2 #include <test_progs.h>
3 #include <network_helpers.h>
4
spin_lock_thread(void * arg)5 static void *spin_lock_thread(void *arg)
6 {
7 int err, prog_fd = *(u32 *) arg;
8 LIBBPF_OPTS(bpf_test_run_opts, topts,
9 .data_in = &pkt_v4,
10 .data_size_in = sizeof(pkt_v4),
11 .repeat = 10000,
12 );
13
14 err = bpf_prog_test_run_opts(prog_fd, &topts);
15 ASSERT_OK(err, "test_run");
16 ASSERT_OK(topts.retval, "test_run retval");
17 pthread_exit(arg);
18 }
19
test_spinlock(void)20 void test_spinlock(void)
21 {
22 const char *file = "./test_spin_lock.bpf.o";
23 pthread_t thread_id[4];
24 struct bpf_object *obj = NULL;
25 int prog_fd;
26 int err = 0, i;
27 void *ret;
28
29 err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
30 if (CHECK_FAIL(err)) {
31 printf("test_spin_lock:bpf_prog_test_load errno %d\n", errno);
32 goto close_prog;
33 }
34 for (i = 0; i < 4; i++)
35 if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
36 &spin_lock_thread, &prog_fd)))
37 goto close_prog;
38
39 for (i = 0; i < 4; i++)
40 if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
41 ret != (void *)&prog_fd))
42 goto close_prog;
43 close_prog:
44 bpf_object__close(obj);
45 }
46