linuxdebug/tools/testing/selftests/bpf/prog_tests/spinlock.c

46 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <test_progs.h>
#include <network_helpers.h>
static void *spin_lock_thread(void *arg)
{
int err, prog_fd = *(u32 *) arg;
LIBBPF_OPTS(bpf_test_run_opts, topts,
.data_in = &pkt_v4,
.data_size_in = sizeof(pkt_v4),
.repeat = 10000,
);
err = bpf_prog_test_run_opts(prog_fd, &topts);
ASSERT_OK(err, "test_run");
ASSERT_OK(topts.retval, "test_run retval");
pthread_exit(arg);
}
void test_spinlock(void)
{
const char *file = "./test_spin_lock.bpf.o";
pthread_t thread_id[4];
struct bpf_object *obj = NULL;
int prog_fd;
int err = 0, i;
void *ret;
err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
if (CHECK_FAIL(err)) {
printf("test_spin_lock:bpf_prog_test_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);
}