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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 QNX Neutrino 7.1.
Networking Middleware
Networking Middleware C API Reference
QNX SDP Networking Middleware C API
The Networking Middleware package provides reliable network management and Wi-Fi configuration services on systems running QNX Neutrino. The framework offers a feature-rich C API for clients to interact with these services.
qwf_interface.h
This file defines the entry point interface of the API.
qwf_QueryActiveService()
Query the active QWF services

QNX Momentics IDE User's Guide
This User's Guide describes version 7.1 of the Integrated Development Environment (IDE) that's part of the QNX Momentics 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 QNX Neutrino 7.1.
- Quickstart Guide
- OS Components & Operations
- Audio & Graphics API
- Multimedia
- Networking Middleware
  - Networking Middleware Architecture Guide
  - Networking Middleware C API Reference
    - QNX SDP Networking Middleware C API
      The Networking Middleware package provides reliable network management and Wi-Fi configuration services on systems running QNX Neutrino. The framework offers a feature-rich C API for clients to interact with these services.
      - qwf_interface.h
        This file defines the entry point interface of the API.
        qwf_Cleanup()
        Shut down QWF services and deallocate all resources
        qwf_CleanupServices()
        Deallocate the resources for the specified QWF services
        qwf_Context_t
        Data type representing the QWF service context
        qwf_Init()
        Initialize all QWF services and create the service context
        qwf_InitializeCore()
        Initialize the QWF core event-handling memory and queues
        qwf_InitializeServices()
        Initialize a subset of the QWF services
        qwf_ProcessEvents()
        Process QWF events
        qwf_QueryActiveService()
        Query the active QWF services
        qwf_ReturnStatus_e
        QWF common interface return codes
        qwf_Service_e
        QWF service types (not all are supported)
      - qwf_net.h
        This file defines the interface to the Network Manager (NET MGR) service.
      - qwf_wifi.h
        This file defines the interface to the Wi-Fi Manager service.
    - Code Examples
  - Networking Middleware Services Reference
- Programming
- Sensor Framework
- System Security Guide
  The QNX System Security Guide is intended for both system integrators who are responsible for the security of a QNX Neutrino RTOS system and developers who want to create a QNX Neutrino resource manager free from vulnerabilities.
- Utilities & Libraries
QNX Hypervisor
The QNX Hypervisor allows you to run multiple OSs on a target system so you can separate critical and non-critical functions, support a wide variety of applications, and reduce hardware costs.
QNX Software in the Cloud
QNX Software in the Cloud enables developers to use the QNX software in Amazon Web Services (AWS) and Microsoft Azure (Azure).
QNX Advanced Virtualization Frameworks User's Guide
This User's Guide is aimed at all systems integrators and developers who want to design and build embedded systems using the QNX Advanced Virtualization Frameworks.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation and explains how to obtain technical support.

qwf_QueryActiveService()

Query the active QWF services

Synopsis:

#include <qwf/qwf_interface.h>

qwf_Service_e qwf_QueryActiveService(qwf_Context_t *pCtx)

Arguments:

pCtx: A pointer to the QWF service context created by qwf_Init() or qwf_InitializeCore()

Library:

qwf_interface

Description:

This function reports which QWF services are currently running, by returning a bitfield representing the active services.

Returns:

A bitfield indicating which QWF services are active. The individual flags in this field are qwf_Service_e constants.

Page updated: March 12, 2026