Signal Handling

Signals notify processes of events. A signal handler is used to process incoming signals. This handler can either be the supplied default handler, or a user-defined handler, which overrides the default handler.

Where should a signal be delivered in a multi-threaded program?

• To the thread to which it applies.
• To every thread in the process.
• To certain threads.
• To a single thread which is assigned specifically to receive all signals.