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

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/prog_tests/static_linked.c
Extension
.c
Size
720 bytes
Lines
36
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) 2019 Facebook */

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

void test_static_linked(void)
{
	int err;
	struct test_static_linked* skel;

	skel = test_static_linked__open();
	if (!ASSERT_OK_PTR(skel, "skel_open"))
		return;

	skel->rodata->rovar1 = 1;
	skel->rodata->rovar2 = 4;

	err = test_static_linked__load(skel);
	if (!ASSERT_OK(err, "skel_load"))
		goto cleanup;

	err = test_static_linked__attach(skel);
	if (!ASSERT_OK(err, "skel_attach"))
		goto cleanup;

	/* trigger */
	usleep(1);

	ASSERT_EQ(skel->data->var1, 1 * 2 + 2 + 3, "var1");
	ASSERT_EQ(skel->data->var2, 4 * 3 + 5 + 6, "var2");

cleanup:
	test_static_linked__destroy(skel);
}

Annotation

Implementation Notes