Ada Programming/Platform/POSIX

POSIX.5 is an IEEE (IEEE Standard 1003.5b-1996) and ISO (ISO/IEC 14519:2001) standard defining an Ada interface to the POSIX system calls.

The scope for the standard is the same as in POSIX.1 (C API) but defines a thick binding for the interface, thus benefiting from Ada features. Some functionality provided by POSIX.1, but already present in Ada, is skipped. The ISO standard is currently being revised .

There exists an open-source implementation for GNAT called Florist (Florida State University/Forest), originally written by the Florida State University and eventually maintained by AdaCore.

The following compilers are known to provide an implementation of the standard: Object Ada for Linux , GNAT , MAXAda and PowerAda .

There is implementation for GNAT over Windows called wPOSIX.

Florist links

Author: Formerly Florida State University, now Adacore

Homepage: http://gnat-florist.sourceforge.net
Project Info: http://sourceforge.net/projects/gnat-florist
SVN Archive: http://gnat-florist.svn.sourceforge.net/gnat-florist/
Download: http://sourceforge.net/projects/gnat-florist/download

Win32POSIX links

Author: Pascal Obry and AdaCore.
Homepage: https://github.com/AdaCore/wposix
Project Info: See homepage.
Download: https://github.com/AdaCore/wposix/releases

POSIX.5 links

Standards

Tutorial

POSIX in Ada — Appendix to “Understanding Unix/Linux Programming”. Includes complete examples.

Historical and background information

Ada POSIX binding. A focused Ada investigation — NASA Technical Report.
Available Ada Bindings - POSIX
A Prototype Implementation of the POSIX/Ada Realtime Extension
POSIX.5b Validation Test Suite

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