linux/linux-5.4.31/tools/testing/selftests/bpf/prog_tests/spinlock.c

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2024-01-30 10:43:28 +00:00
// 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);
}