spinlock.c (1101B)
1// SPDX-License-Identifier: GPL-2.0 2#include <test_progs.h> 3#include <network_helpers.h> 4 5static void *spin_lock_thread(void *arg) 6{ 7 int err, prog_fd = *(u32 *) arg; 8 LIBBPF_OPTS(bpf_test_run_opts, topts, 9 .data_in = &pkt_v4, 10 .data_size_in = sizeof(pkt_v4), 11 .repeat = 10000, 12 ); 13 14 err = bpf_prog_test_run_opts(prog_fd, &topts); 15 ASSERT_OK(err, "test_run"); 16 ASSERT_OK(topts.retval, "test_run retval"); 17 pthread_exit(arg); 18} 19 20void test_spinlock(void) 21{ 22 const char *file = "./test_spin_lock.o"; 23 pthread_t thread_id[4]; 24 struct bpf_object *obj = NULL; 25 int prog_fd; 26 int err = 0, i; 27 void *ret; 28 29 err = bpf_prog_test_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd); 30 if (CHECK_FAIL(err)) { 31 printf("test_spin_lock:bpf_prog_test_load errno %d\n", errno); 32 goto close_prog; 33 } 34 for (i = 0; i < 4; i++) 35 if (CHECK_FAIL(pthread_create(&thread_id[i], NULL, 36 &spin_lock_thread, &prog_fd))) 37 goto close_prog; 38 39 for (i = 0; i < 4; i++) 40 if (CHECK_FAIL(pthread_join(thread_id[i], &ret) || 41 ret != (void *)&prog_fd)) 42 goto close_prog; 43close_prog: 44 bpf_object__close(obj); 45}