...I want to implementation the engine with C as it is a commonly known language and it has a good support of the linux's sharedmemory.
I have already done an encouraging poc with C and mmap.
A lock-free, concurrent, multi-reader, multi-writer and real-time capable ring-buffer implementation
The ringbuffer uses int type values. For transmission of larger (than long int) buffers, an additional sharedmemory-pool is required.