Question: If a signal is generated more than once when it's handler is executing, then... Group of answer choices the delivery of such signals is blocked

If a signal is generated more than once when it's handler is executing, then...
Group of answer choices
the delivery of such signals is blocked during the handler execution and all such signals are ignored with no further action.
all the generated signal instances are stored as pending and delivered one after the other after the handler completes its execution.
the signal handler is called recursively as many times as the signal is generated.
the signal is marked as pending and is delivered once later (after handler completes).

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