GNU Info

(libc.info)Waiting for a Signal

---

Next: Signal Stack Prev: Blocking Signals Up: Signal Handling

---

Enter node , (file) or (file)node

Waiting for a Signal
====================

   If your program is driven by external events, or uses signals for
synchronization, then when it has nothing to do it should probably wait
until a signal arrives.

Using Pause

The simple way, using `pause'.

Pause Problems

Why the simple way is often not very good.

Sigsuspend

Reliably waiting for a specific signal.