diff options
Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/spinlock.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/spinlock.c b/tools/testing/selftests/bpf/prog_tests/spinlock.c new file mode 100644 index 000000000..7577a77a4 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/spinlock.c @@ -0,0 +1,43 @@ +// 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); +} |