63016ad965
Add a new API to store data that is guaranteed to not be freed
before the memleak detector has run.
This will be used in next commit by the readfile code to improve
reporting on leaks from blendfile readingi process.
This is done by a two-layer approach:
A new templated `MEM_construct_leak_detection_data` allows to
create any type of data. Its ownership and lifetime are handled
internally, and guaranteed to not be destroyed before the memleak
detector has run.
Add a new template-based 'allocation string storage' system to
`intern/memutil`. This uses the new `Guardedalloc Persistent Storage`
system to store all 'complex' allocation messages, that cannot be
defined as literals.
Internally, the storage is done through an owning reference (a
`shared_ptr`) of the created data into a mutex-protected static
vector.
`MEM_init_memleak_detection` code ensures that this static storage
is created before the memleak detection data, so that it is destructed
after the memleak detector has ran.
The main container (`AllocStringStorageContainer`) is wrapping a
map of `{string -> AllocStringStorage<key_type, hash_type>}`.
The key is a storage identifier.
Each storage is also a map wrapped into a simple templated API
class (`AllocStringStorage`), where the values are the alloc strings,
and the keys type is defined by the user code.
Pull Request: https://projects.blender.org/blender/blender/pulls/125320
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