[mirror_ubuntu-kernels.git] / tools / testing / selftests / bpf / prog_tests / spinlock.c

// 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 (err) {
		printf("test_spin_lock:bpf_prog_load errno %d\n", errno);
		goto close_prog;
	}
	for (i = 0; i < 4; i++)
		assert(pthread_create(&thread_id[i], NULL,
				      &spin_lock_thread, &prog_fd) == 0);
	for (i = 0; i < 4; i++)
		assert(pthread_join(thread_id[i], &ret) == 0 &&
		       ret == (void *)&prog_fd);
	goto close_prog_noerr;
close_prog:
	error_cnt++;
close_prog_noerr:
	bpf_object__close(obj);
}
Commit	Line	Data
271a6337 SF	1	// SPDX-License-Identifier: GPL-2.0
	2	#include <test_progs.h>
	3
	4	void test_spinlock(void)
	5	{
	6	const char *file = "./test_spin_lock.o";
	7	pthread_t thread_id[4];
d6f18371	8	struct bpf_object *obj = NULL;
271a6337 SF	9	int prog_fd;
	10	int err = 0, i;
	11	void *ret;
	12
	13	err = bpf_prog_load(file, BPF_PROG_TYPE_CGROUP_SKB, &obj, &prog_fd);
	14	if (err) {
	15	printf("test_spin_lock:bpf_prog_load errno %d\n", errno);
	16	goto close_prog;
	17	}
	18	for (i = 0; i < 4; i++)
	19	assert(pthread_create(&thread_id[i], NULL,
	20	&spin_lock_thread, &prog_fd) == 0);
	21	for (i = 0; i < 4; i++)
	22	assert(pthread_join(thread_id[i], &ret) == 0 &&
	23	ret == (void *)&prog_fd);
	24	goto close_prog_noerr;
	25	close_prog:
	26	error_cnt++;
	27	close_prog_noerr:
	28	bpf_object__close(obj);
	29	}