22.15 Signals

What is the set of signals for the signal function? (ISO 7.7.1.1)

Table 22-6. Signal Function
Name Description
SIGABRT Abnormal termination.
SIGINT Receipt of an interactive attention signal.
SIGILL Detection of an invalid function image.
SIGFPE An erroneous arithmetic operation.
SIGSEGV An invalid access to storage.
SIGTERM A termination request sent to the program.

Describe the parameters and the usage of each signal recognized by the signal function. (ISO 7.7.1.1)

Application defined.

Describe the default handling and the handling at program startup for each signal recognized by the signal function? (ISO 7.7.1.1)

None.

If the equivalent of signal (sig,SIG_DFL) is not executed prior to the call of a signal handler, what blocking of the signal is performed? (ISO 7.7.1.1)

None.

Is the default handling reset if a SIGILL signal is received by a handler specified to the signal function? (ISO 7.7.1.1)

No.