select()-able timers

Question

select() is a great system call. You can pack any number of file descriptors, socket descriptors, pipes, etc. and get notified in a synchronous fashion when input becomes availa

Answer 1

MarkR has a nice portable solution, but here's another:

Use a POSIX timer (timer_create) and you can transform the problem into "select-able signals". This problem has a classic solution: writing to a pipe from the signal handler and selecting on the read end of the pipe.