IEEE 1003.26-2003
Portable Operating System Interface (POSIX(TM)) - Part 26: Device Control Application Program Interface (API) [C Language]
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About This Item
1003.26-2003 is the IEEE 1003.26-2003 standard for the Portable Operating System Interface (POSIX(TM)) device control application program interface in the C language. It addresses how software can interact with device-control functions in a consistent, portable way across compliant systems. For engineering teams working with components, circuits, devices, and systems, this technical document helps define expected behavior and support more reliable implementation, integration, and testing of low-level control software.
About 1003.26-2003
This standard extends the POSIX family by focusing on a device control API written for the C programming language. IEEE 1003.26-2003 is intended to support portability and predictable behavior when applications need to communicate with controlled hardware functions through a defined interface. In practice, it provides a clearer basis for implementation and compliance work than ad hoc device-control methods, especially where consistency across systems is important. Because the document is inactive, it is often consulted for legacy compatibility, reference, or historical design review.
Where is 1003.26-2003 used?
1003.26-2003 is most relevant in software and systems environments that rely on POSIX-compatible device interaction, especially where C-language applications manage hardware-oriented control tasks. It may be used in embedded or industrial systems, driver-adjacent software, test platforms, and other engineered environments that depend on stable device control behavior. The standard is useful when teams need to align software interfaces with defined operating system services and keep implementation details consistent across related components.
Importance in practice
In practice, this standard helps reduce ambiguity in device-control software design and verification. A common API definition supports more consistent coding, procurement review, and testing across systems that must behave predictably under the POSIX model. For legacy platforms, 1003.26-2003 can also help maintain compatibility and reduce integration risk when older device-control interfaces must be supported. That makes it valuable wherever controlled hardware behavior and software portability matter.
- POSIX device control API
- C language interface
- Legacy compatibility reference
- Portable system behavior
- Implementation and testing support
- Publication Date: 2004
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- This Version: 1003.26 (2004)
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