I would like to play with the signals and traps of the Korn shell ;
could someone please direct me quickly to the relevant areas? I expect that
they are trap.c , sigact.[ch] , main.c , and siglist.* . I found
runtraps (in the shell function of main.c ) and it calls runtrap from
within a for-loop . This seems to be how the traps are processed. How
does the signal get to the shell? Is the kernel involved in any of this?
How is it determined which process should field a signal? Is there a
description of the various fields of the structures involved and how they
are used somewhere in a book or on the internet?
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