signal question

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Hi,
I've a doubt on the behaviour of processes on receiving a signal. My doubt 
reguards the write instruction.
In other word, if a process is writing into a memory page and receives a 
signal, what's matter?

1) the process completes the write instruction and then handles the signal, or

2) the process is stopped and then, after the signal handling, continues the 
execution (if not SIGSTOP signaled)

Thanks.
Vincenzo Mallozzi

		
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