er interrupt-interpreter)

Add a signal handler for a given action. Use nil for the `handler` argument to remove a signal handler. All signal handlers are the same as supported by `os/proc-kill`.</pre><a href="https://janetdocs.org/os/sigaction">Community Examples</a></div><hr><div class="binding"><span id="os/sleep" class="binding-sym">os/sleep</span> <span class="binding-type">cfunction</span> <span class="binding-type"><a href="https://github.com/janet-lang/janet/blob/0d9e999/src/core/os.c#L1615">source<