signal
- A condition that may or may not be reported during
program execution. For example, SIGFPE is the signal used to represent erroneous
arithmetic operations such as a division by zero.
- A mechanism by which a process may be notified
of, or affected by, an event occurring in the system. Examples of such events
include hardware exceptions and specific actions by processes. The term
signal is also used to refer to the event itself. X/Open.
ISO.1.
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