tools/leds/uledmon.c

File Facts

System

Linux kernel

Corpus path

tools/leds/uledmon.c

Extension

.c

Size

1318 bytes

Lines

65

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

• fcntl.h
• stdio.h
• string.h
• time.h
• unistd.h
• linux/uleds.h

Detected Declarations

• function main

Annotated Snippet

if (ret == -1) {
			perror("Failed to read from /dev/uleds");
			close(fd);
			return 1;
		}
		clock_gettime(CLOCK_MONOTONIC, &ts);
		printf("[%ld.%09ld] %u\n", ts.tv_sec, ts.tv_nsec, brightness);
	}

	close(fd);

	return 0;
}

Annotation

• Immediate include surface: `fcntl.h`, `stdio.h`, `string.h`, `time.h`, `unistd.h`, `linux/uleds.h`.
• Detected declarations: `function main`.
• 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.