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This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the time lapsed until the next input stimulus of the same type.
allocate and free with a very simple, fast, algorithm; a more complex but fast allocate and free algorithm with memory coalescence; an alternative to the more complex scheme that includes memory coalescence that allows a heap to be broken across multiple memory areas. and C library allocate and free with some mutual exclusion protection.
A "hard" real-time operating system (hard RTOS) has less jitter than a "soft" real-time operating system (soft RTOS); a late answer is a wrong answer in a hard RTOS while a late answer is acceptable in a soft RTOS. The chief design goal is not high throughput, but rather a guarantee of a soft or hard performance category.
Later came source code level debugging, multiprocessing support, and further computer networking extensions. In about 1991, Software Components Group was acquired by Integrated Systems Inc. (ISI) which further developed pSOS, then renamed as pSOS+, for other microprocessor families, by rewriting most of it in the programming language C.
OpenComRTOS uses a uniform architecture with a kernel Task, driver Tasks, and application Tasks, each having a Task input Port. The same interface is used for the Interrupt Service Routines. The underlying architecture relies on the use of prioritised packet switching with communication and routing being part of the underlying system services ...
The LynxOS RTOS is a Unix-like real-time operating system from Lynx Software Technologies (formerly "LynuxWorks"). Sometimes known as the Lynx Operating System , LynxOS features full POSIX conformance and, more recently, Linux compatibility.
RTLinux is a hard realtime real-time operating system (RTOS) microkernel that runs the entire Linux operating system as a fully preemptive process. The hard real-time property makes it possible to control robots, data acquisition systems, manufacturing plants, and other time-sensitive instruments and machines from RTLinux applications.
RTX / RTX64 are real-time operating system (RTOS) by the firm IntervalZero. They are software extensions that convert Microsoft Windows operating system into a RTOS. [ 1 ] It was the first Windows real-time solution on the market.