Hi Ben, > > Could anyone help point me to the right part of the src, I've had an > initial go but have been unable to find the specific parts of the > code that handle the adding/taking of samples into the gnuradio ring > buffer. I'm particularly interested to know what phtread scheduling > is used if its different from the defaults and how mutexes are handled
Everything as fundamental as buffer setup can be found in gnuradio-runtime/lib. Specifically `buffer.cc` and `vmcircbuf.cc` contain code for setting ub the circular buffer structure by mapping adjacent virtual memory to the same physical memory. Every block output port holds one of these buffers with read/write pointers indicating the position of producers & consumers. Essentially the access to these buffers is "lockfree" in the sense that the producer is only allowed to write items up to the curent position of the next read pointer and the consumers are only allowed to read up to the current position of the write pointer. Cheers Andrej
pgpcskniBGJDY.pgp
Description: OpenPGP digital signature
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
