Signal handling

[John Darrington]

Ben,

I'm trying to improve the way signals are handled in PSPP (to clean up
temporary files etc.), and I need to think carefully about reentrancy
etc. 

I'm not sure that I can easily cope with all cases using the pre-posix
signal(2) --- I would rather use sigaction(2).   I remember you had a
problem with this in the past.  What was your objection to the use of
sigaction(2) in PSPP ?

John


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