1// SPDX-License-Identifier: GPL-2.0
 2#include <test_progs.h>
 3
 4void test_spinlock(void)
 5{
 6	const char *file = "./test_spin_lock.o";
 7	pthread_t thread_id[4];
 8	struct bpf_object *obj = NULL;
 9	int prog_fd;
10	int err = 0, i;
11	void *ret;
12
13	err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
14	if (CHECK_FAIL(err)) {
15		printf("test_spin_lock:bpf_prog_load errno %d\n", errno);
16		goto close_prog;
17	}
18	for (i = 0; i < 4; i++)
19		if (CHECK_FAIL(pthread_create(&thread_id[i], NULL,
20					      &spin_lock_thread, &prog_fd)))
21			goto close_prog;
22
23	for (i = 0; i < 4; i++)
24		if (CHECK_FAIL(pthread_join(thread_id[i], &ret) ||
25			       ret != (void *)&prog_fd))
26			goto close_prog;
27close_prog:
28	bpf_object__close(obj);
29}