Google Summer of Code | malloc_info() changes the state of the heap (#41)

[Gedare Bloom (@gedare)]

Gedare Bloom commented on a discussion: https://gitlab.rtems.org/rtems/programs/gsoc/-/issues/41#note_142839


I looked back in my notes. The problem arises due to deferred heap management. In `_Heap_Get_information()` there is a call to `_Heap_Protection_free_all_delayed_blocks()` that is the culprit.

There was some discussion about what is the right way to handle deferred memory management actions, but I don't think there was any resolution. My intuition is that we should consolidate calls to free delayed blocks to the explicit allocation/deallocation paths, so that calling `malloc()` or `free()` may result in deferred maintenance.

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View it on GitLab: https://gitlab.rtems.org/rtems/programs/gsoc/-/issues/41#note_142839
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