tools/testing/selftests/bpf/prog_tests/autoattach.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/prog_tests/autoattach.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/prog_tests/autoattach.c
Extension
.c
Size
801 bytes
Lines
31
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Google */

#include <test_progs.h>
#include "test_autoattach.skel.h"

void test_autoattach(void)
{
	struct test_autoattach *skel;

	skel = test_autoattach__open_and_load();
	if (!ASSERT_OK_PTR(skel, "skel_open_and_load"))
		goto cleanup;

	/* disable auto-attach for prog2 */
	bpf_program__set_autoattach(skel->progs.prog2, false);
	ASSERT_TRUE(bpf_program__autoattach(skel->progs.prog1), "autoattach_prog1");
	ASSERT_FALSE(bpf_program__autoattach(skel->progs.prog2), "autoattach_prog2");
	if (!ASSERT_OK(test_autoattach__attach(skel), "skel_attach"))
		goto cleanup;

	usleep(1);

	ASSERT_TRUE(skel->bss->prog1_called, "attached_prog1");
	ASSERT_FALSE(skel->bss->prog2_called, "attached_prog2");

cleanup:
	test_autoattach__destroy(skel);
}

Annotation

Implementation Notes