fixup_after_fork (NULL)

Ken Brown
Thu Feb 27 22:25:00 GMT 2020

fhandler_socket_wsock::fixup_after_exec and 
fhandler_socket_unix::fixup_after_exec call fixup_after_fork (NULL), which would 
seem to lead to calls to DuplicateHandle with first argument NULL.  I can't find 
any documentation that says this is legal.  What do these calls do?


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