tools/testing/selftests/bpf/progs/test_link_pinning.c

Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/test_link_pinning.c

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/bpf/progs/test_link_pinning.c
Extension
.c
Size
379 bytes
Lines
26
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) 2020 Facebook */

#include <stdbool.h>
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>

int in = 0;
int out = 0;

SEC("raw_tp/sys_enter")
int raw_tp_prog(const void *ctx)
{
	out = in;
	return 0;
}

SEC("tp_btf/sys_enter")
int tp_btf_prog(const void *ctx)
{
	out = in;
	return 0;
}

char _license[] SEC("license") = "GPL";

Annotation

Implementation Notes