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 __u32 duration, retval;
8 int err, prog_fd = *(u32 *) arg;
9
10 err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
11 NULL, NULL, &retval, &duration);
12 CHECK(err || retval, "",
13 "err %d errno %d retval %d duration %d\n",
14 err, errno, retval, duration);
15 pthread_exit(arg);
16 }
17
test_spinlock(void)18 void test_spinlock(void)
19 {
20 const char *file = "./test_spin_lock.o";
21 pthread_t thread_id[4];
22 struct bpf_object *obj = NULL;
23 int prog_fd;
24 int err = 0, i;
25 void *ret;
26
27 err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
28 if (CHECK_FAIL(err)) {
29 printf("test_spin_lock:bpf_prog_test_load errno %d\n", errno);
30 goto close_prog;
31 }
32 for (i = 0; i < 4; i++)
33 if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
34 &spin_lock_thread, &prog_fd)))
35 goto close_prog;
36
37 for (i = 0; i < 4; i++)
38 if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
39 ret != (void *)&prog_fd))
40 goto close_prog;
41 close_prog:
42 bpf_object__close(obj);
43 }
44