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OS Tech#

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This page is intended to be an exhaustive table of contents for all QNX-OS -code, -technology, or -design related pages.

Wiki pages#

• Anatomy of a System Call, and other things...
• Symmetric Multi Processing (SMP)
• FIXME: Tracing and Instrumentation
• FIXME: Malloc Optimizations/Debug Malloc
• FIXME: Asynchronous Message Passing
• Adaptive Partitioning
• FIXME: Benchmarks & Performance (aka QNX vs World)
• FIXME: Static Analysis
• Virtual memory manager algorithms
• Virtual Memory Manager Data Structures
• Master Instrumentation Event Table
• Kernel Introspection A proposal for a high-bandwidth and regular way of getting lots of statistics out of the kernel.

Articles#

Articles located in the documents section

• About Pulses and Pulse Events
• Design Decoupling in a Message-Passing Environment
• Handling Mount Requests in Your Resource Manager
• Pathname Resolution with a Bit on Union Mountpoints
• Pay the Piper About efficient pipe mechanisms.
• Protecting Your Data in a Multi-Threaded App
• QNX Neutrino Resource Managers: Using MsgSend() and MsgReply()
• QNX Priorities - You Aren’t in UNIX Anymore
• Sharing a File Descriptor between Two Processes
• SMP: Two Processors and Beyond
• Tick-tock Part 1 - Understanding the Neutrino micro kernel's concept of time
• Tick-tock Part 2 - Understanding the Neutrino micro kernel's concept of time
• To Resource Manager or Not to Resource Manager
• What is Real Time and Why Do I Need It?
• (see also the documents/articles section for stuff we might have missed)

Videos#

Coming soon

• Instrumented Kernel.
• Adaptive Partitioning Scheduler, part 1

Can't find it?#

Try the OS Developer page.