What happens to objects lost in "unreachable" memory..... ?
Perl Questions and Answers
(Continued from previous question...)
What happens to objects lost in "unreachable" memory..... ?
What happens to objects lost in "unreachable" memory,
such as the object returned by Ob->new() in
`{ my $ap; $ap = [ Ob->new(), \$ap ]; }' ?
Their destructors are called when that interpreter thread
shuts down.
When the interpreter exits, it first does an exhaustive
search looking for anything that it allocated. This allows
Perl to be used in embedded and multithreaded applications
safely, and furthermore guarantees correctness of object
code.
(Continued on next question...)
Other Interview Questions
|