Node:Waiting for a Signal, Next:Signal Stack, Previous:Blocking Signals, Up:Signal Handling

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.