tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c

File Facts

System

Linux kernel

Corpus path

tools/testing/selftests/bpf/progs/bpf_iter_test_kern4.c

Extension

.c

Size

1078 bytes

Lines

53

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_helpers.h

Detected Declarations

• function dump_bpf_map

Annotated Snippet

if (map2_accessed == 0) {
			map2_seqnum1 = seq_num;
			if (ret1)
				ret = 1;
		} else {
			map2_seqnum2 = seq_num;
		}
		map2_accessed++;
	}

	/* fill seq_file buffer */
	for (i = 0; i < (int)print_len; i++)
		bpf_seq_write(seq, &seq_num, sizeof(seq_num));

	return ret;
}

Annotation

• Immediate include surface: `vmlinux.h`, `bpf/bpf_helpers.h`.
• Detected declarations: `function dump_bpf_map`.
• 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.