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| // SPDX-License-Identifier: GPL-2.0
| #include <test_progs.h>
| #include <network_helpers.h>
|
| static void *spin_lock_thread(void *arg)
| {
| __u32 duration, retval;
| int err, prog_fd = *(u32 *) arg;
|
| err = bpf_prog_test_run(prog_fd, 10000, &pkt_v4, sizeof(pkt_v4),
| NULL, NULL, &retval, &duration);
| CHECK(err || retval, "",
| "err %d errno %d retval %d duration %d\n",
| err, errno, retval, duration);
| pthread_exit(arg);
| }
|
| 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);
| }
|
|
