// 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); }