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This is a list of real-time operating systems ... Real-time Linux : GNU GPLv2: ... same as Linux: RT-Thread: Apache 2.0:
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.
RT-Thread is an open-source real-time operating system (RTOS) for embedded systems and Internet of things (IoT). [1] [2] It is developed by the RT-Thread Development Team based in China. RT-Thread is aimed to change the current situation in China that there is no well used open-source real-time operating system in the microcontroller field.
FreeRTOS provides methods for multiple threads or tasks, mutexes, semaphores and software timers. A tickless mode is provided for low power applications. Thread priorities are supported. FreeRTOS applications can be statically allocated, but objects can also be dynamically allocated with five schemes of memory management (allocation): allocate ...
PREEMPT_RT was a set of patches for the Linux kernel which implement both hard and soft real-time computing capabilities. [1] On September 20, 2024, PREEMPT_RT was fully merged and enabled in mainline Linux on the supported architectures x86, x86_64, RISC-V and ARM64. [2] This will make kernel v6.12 the first release to include baked-in real ...
NachOS Threads - In NachOS a thread class is defined. A thread has an associated state with it which may be ready, running, blocked or just created. The thread object has various methods like PutThreadToSleep, YieldCPU, ThreadFork, ThreadStackAllocate, etc. Each thread runs at a virtual address space.
Xenomai is a real-time development software framework cooperating with the Linux kernel. It could be used to port the VRTX based system to Linux although not all features are supported. VRTX has reached end-of-life, an automated porting tool named OS Changer is available to reuse the code on a modern OS. [7]
Thread management – creating, joining threads etc. Mutexes; Condition variables; Synchronization between threads using read write locks and barriers; Spinlocks [3] The POSIX semaphore API works with POSIX threads but is not part of the threads standard, having been defined in the POSIX.1b, Real-time extensions (IEEE Std 1003.1b-1993) standard.