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  2. QNX Software Development Platform

    QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.

  3. Utilities & Libraries

  4. C Library Reference
  5. Full Safety Information
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  • QNX Momentics IDE User's Guide

    This User's Guide describes version 8.0 of the Integrated Development Environment (IDE) that's part of the QNX Tool Suite.

  • QNX Software Development Platform

    QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running the QNX OS 8.0.

    • Quickstart Guide

    • System Architecture

      The System Architecture guide accompanies the QNX OS and is intended for both application developers and end-users.

    • OS Components & Operations

    • Graphics

    • Programming

    • System Security Guide

      The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX OS system and developers who want to create a QNX OS resource manager free from vulnerabilities.

    • Utilities & Libraries

      • C Library Reference
        • What's in a Function Description?

        • Manifests
        • Character Sets
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        • Full Safety Information
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        • Glossary
      • Devctl and Ioctl Commands

      • JSON Library Reference
      • PAM Reference
      • QNX Helpers Developer's Guide

        These libraries provide QNX helpers, including helpers that assist with logging, string conversion, and number and type sizes.

      • SPI Framework Technote
      • Utilities Reference
      • WPA Control Interface Reference

        This document provides a reference for the Wi-Fi Protected Access (WPA) control interface, which provides a C API for the WPA/IEEE 802.11i protocols in Wi-Fi client stations. Application developers who want to control WPA operations and get associated status and event data should read this reference.

    • Migrating to QNX OS 8.0
  • QNX Software in the Cloud

    QNX Software in the Cloud enables developers to use the QNX OS in the Amazon cloud environment.

  • QNX Toolkit for Visual Studio Code

    This User's Guide describes the QNX® Toolkit for Visual Studio Code. The guide introduces you to the QNX Toolkit by explaining the QNX development environment and how to build, run, and debug your QNX® Operating System (OS) applications and systems.

  • QNX Hypervisor User's Guide

    This User's Guide explains the QNX hypervisor architecture and provides instructions for installing and running a QNX Hypervisor system, changing system components and configuration, and using hypervisor features such as virtual devices (vdevs).

  • Typographical Conventions, Support, and Licensing

    This section describes the typographical conventions used throughout the documentation, explains how to obtain technical support, and provides some information about licensing.

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QNX SDP8.0C Library ReferenceAPIDeveloper
Function Classification Library Cancel Signal Thread
j0() POSIX 1003.1 XSI libm, libm-sve No Yes Yes
j0f() Unix libm, libm-sve No Yes Yes
j1() POSIX 1003.1 XSI libm, libm-sve No Yes Yes
j1f() Unix libm, libm-sve No Yes Yes
jn() POSIX 1003.1 XSI libm, libm-sve No Yes Yes
jnf() Unix libm, libm-sve No Yes Yes
jrand48() POSIX 1003.1 XSI libc No No Yes
Page updated: March 05, 2025