Default Signals
ANSI 4.7.1.1 If the equivalent of signal (sig, SIG_DFL) is not executed prior to the call of a signal handler, the blocking of the signal that is performed
Signals are set to their default status when a program begins running.
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ANSI 4.7.1.1 If the equivalent of signal (sig, SIG_DFL) is not executed prior to the call of a signal handler, the blocking of the signal that is performed
Signals are set to their default status when a program begins running.