| // SPDX-License-Identifier: GPL-2.0 |
| #include <test_progs.h> |
| |
| void test_spinlock(void) |
| { |
| const char *file = "./test_spin_lock.o"; |
| pthread_t thread_id[4]; |
| struct bpf_object *obj = NULL; |
| int prog_fd; |
| int err = 0, i; |
| void *ret; |
| |
| err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); |
| if (CHECK_FAIL(err)) { |
| printf("test_spin_lock:bpf_prog_load errno %d\n", errno); |
| goto close_prog; |
| } |
| for (i = 0; i < 4; i++) |
| if (CHECK_FAIL(pthread_create(&thread_id[i], NULL, |
| &spin_lock_thread, &prog_fd))) |
| goto close_prog; |
| |
| for (i = 0; i < 4; i++) |
| if (CHECK_FAIL(pthread_join(thread_id[i], &ret) || |
| ret != (void *)&prog_fd)) |
| goto close_prog; |
| close_prog: |
| bpf_object__close(obj); |
| } |