io_uring/eventfd.h

File Facts

System

Linux kernel

Corpus path

io_uring/eventfd.h

Extension

.h

Size

277 bytes

Lines

9

Domain

Kernel Services

Bucket

io_uring

Inferred role

Kernel Services: implementation source

Status

source implementation candidate

Why This File Exists

Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.

• Shared kernel service surface used by multiple subsystems, including helpers, cryptography, virtualization support, and async I/O infrastructure.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

• struct io_ring_ctx

Annotated Snippet

struct io_ring_ctx;
int io_eventfd_register(struct io_ring_ctx *ctx, void __user *arg,
			unsigned int eventfd_async);
int io_eventfd_unregister(struct io_ring_ctx *ctx);

void io_eventfd_signal(struct io_ring_ctx *ctx, bool cqe_event);

Annotation

• Detected declarations: `struct io_ring_ctx`.
• Atlas domain: Kernel Services / io_uring.
• 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.