Replace all calls to sigqueue() in the OS proper with calls to nxsig_queue() to avoid accessing the errno variable. sched/signal: Add nxsig_queue() which is functionally equivalent to sigqueue() except that it does not modify the errno variable.
This will eventually hold some general documentation for the IEEE 802.15.4 MAC implementation. NOTE: Throughout the code, excerpts from the standard are quoted as to make the code thoroughly readable. I have tried, to always put a reference [1] and page number. Below is the references that correspond with the reference number [1]