For the case of waking up a thread, any current use of signals would have > to be replaced with a different IPC, as sem_post() that you suggest. > > There a also lot of hidden uses of signals in the OS for notifications and > things like device driver timeouts. Those uses would not be simple to > replace. >
Would this mean that we would have special versions of notifications and device drivers for systems that do not support signals. Can we manage that?
