# I/O Multiplexing API

**Canonical:** https://apis.io/apis/unix/io-multiplexing-api/  
**Provider:** UNIX System Call — https://apis.io/providers/unix/  
**Base URL:** system://unix/io-multiplex  
**Documentation:** https://man7.org/linux/man-pages/man2/select.2.html

I/O Multiplexing API is one of 11 APIs that [UNIX System Call](https://apis.io/providers/unix/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Event-Driven, IO, Multiplexing, Non-Blocking, and poll. The published artifact set on APIs.io includes API documentation and an API reference.

System calls for monitoring multiple file descriptors for readiness, enabling event-driven and non-blocking I/O patterns.

## Machine-readable artifacts (3)

- **Documentation** — https://pubs.opengroup.org/onlinepubs/9699919799/functions/select.html
- **APIReference** — https://man7.org/linux/man-pages/man2/select.2.html
- **Tutorials** — https://man7.org/linux/man-pages/man2/select_tut.2.html

## Other UNIX System Call APIs (10)

- [File System Operations API](https://apis.io/apis/unix/file-system-operations-api/)
- [Process Management API](https://apis.io/apis/unix/process-management-api/)
- [Interprocess Communication API](https://apis.io/apis/unix/interprocess-communication-api/)
- [Memory Management API](https://apis.io/apis/unix/memory-management-api/)
- [System Information API](https://apis.io/apis/unix/system-information-api/)
- [POSIX Threads API](https://apis.io/apis/unix/posix-threads-api/)
- [POSIX Semaphores API](https://apis.io/apis/unix/posix-semaphores-api/)
- [POSIX Message Queues API](https://apis.io/apis/unix/posix-message-queues-api/)
- [Terminal and Device I/O API](https://apis.io/apis/unix/terminal-and-device-io-api/)
- [File Locking API](https://apis.io/apis/unix/file-locking-api/)

## Tags

Event-Driven, IO, Multiplexing, Non-Blocking, poll, Select

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/unix/io-multiplexing-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/unix/.