Interrupts

In this section, we'll take a look at interrupts, how we deal with them under QNX Neutrino, their impact on scheduling and realtime, and some interrupt-management strategies.

QNX Neutrino and interrupts
The first thing we need to ask is, “What's an interrupt?”
Writing interrupt handlers
Let's see how to set up interrupt handlers—the calls, the characteristics, and some strategies.
Summary
Keep the following things in mind when dealing with interrupts:

Related concepts

Interrupt handling (System Architecture)

Writing an Interrupt Handler (QNX Neutrino Programmer's Guide)

Related reference

InterruptAttachEvent()

InterruptAttach()

InterruptDetach()

InterruptDisable()

InterruptEnable()

InterruptHookIdle2()

InterruptHookTrace()

InterruptLock()

InterruptMask()

InterruptUnlock()

InterruptUnmask()

InterruptWait()

January 14, 2021 at 02:39:36 EST