tools/testing/selftests/bpf/progs/cgroup_mprog.c
Source file repositories/reference/linux-study-clean/tools/testing/selftests/bpf/progs/cgroup_mprog.c
File Facts
- System
- Linux kernel
- Corpus path
tools/testing/selftests/bpf/progs/cgroup_mprog.c- Extension
.c- Size
- 521 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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
vmlinux.hbpf/bpf_helpers.h
Detected Declarations
function getsockopt_1function getsockopt_2function getsockopt_3function getsockopt_4
Annotated Snippet
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */
#include <vmlinux.h>
#include <bpf/bpf_helpers.h>
char _license[] SEC("license") = "GPL";
SEC("cgroup/getsockopt")
int getsockopt_1(struct bpf_sockopt *ctx)
{
return 1;
}
SEC("cgroup/getsockopt")
int getsockopt_2(struct bpf_sockopt *ctx)
{
return 1;
}
SEC("cgroup/getsockopt")
int getsockopt_3(struct bpf_sockopt *ctx)
{
return 1;
}
SEC("cgroup/getsockopt")
int getsockopt_4(struct bpf_sockopt *ctx)
{
return 1;
}
Annotation
- Immediate include surface: `vmlinux.h`, `bpf/bpf_helpers.h`.
- Detected declarations: `function getsockopt_1`, `function getsockopt_2`, `function getsockopt_3`, `function getsockopt_4`.
- Atlas domain: Support Tooling And Documentation / tools.
- Implementation status: source implementation candidate.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.