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

File Facts

System

Linux kernel

Corpus path

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

Extension

.c

Size

2341 bytes

Lines

102

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.h
• bpf/bpf_core_read.h
• bpf/bpf_helpers.h

Detected Declarations

• function sanitize_string
• function dmabuf_collector
• function iter_dmabuf_for_each
• function bpf_for_each

Annotated Snippet

if (found) {
			bool t = true;

			bpf_map_update_elem(&testbuf_hash, name, &t, BPF_EXIST);
		}
	}

	return 0;
}

Annotation

• Immediate include surface: `vmlinux.h`, `bpf/bpf_core_read.h`, `bpf/bpf_helpers.h`.
• Detected declarations: `function sanitize_string`, `function dmabuf_collector`, `function iter_dmabuf_for_each`, `function bpf_for_each`.
• 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.