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shlomif / perl-Test-RunValgrind

A module to run an executable under valgrind and ascertain that valgrind is happy with it.

Home Page:https://metacpan.org/release/Test-RunValgrind

Repository from Github https://github.comshlomif/perl-Test-RunValgrindRepository from Github https://github.comshlomif/perl-Test-RunValgrind

"in use at exit: 0 bytes" is not portable

awilfox opened this issue · comments

commented

Dynamic linking is leaky on Darwin and Linux/musl.

Using file I/O is leaky on Solaris.

These leaks are known to Valgrind and will correctly show "still reachable: 0 bytes in 0 blocks"; however, the Heap Summary includes suppressions. This causes FC-Solver (and others, I'm sure) to fail tests on musl et al due to, for example: "in use at exit: 782 bytes in 2 blocks" from the "board_gen -t only" test.

My suggestion would personally be to use "still reachable: 0 bytes" in addition to "in use at exit: 0 bytes". However, I'm not sure if you may have a better idea.

commented

Thanks for the report - I'll think about it.