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Potential problems on Windows due to conflicting CRT libraries

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#23,713 1 comentario 0 reacciones 1 asignado Ver en GitHub

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@bellenot ya está trabajando en esto.

Desde el 14/10/2026.

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Descripción

improvement in:Core Libraries
Explain what you would like to see improved and how.

As we found in https://github.com/root-project/root/issues/22449, on Windows we can end up with different C Runtime (CRT) libraries loaded concurrently (https://github.com/root-project/root/pull/22986#issuecomment-5318274672).

One problem is that allocated objects cannot (at least sometimes) be transferred between compiled and interpreted code because the heap manager freeing the object is different from the one allocating it. For RVec, this is fixed/hidden in https://github.com/root-project/root/pull/22986 by using the C++ new/delete.

As Microsoft points out (https://learn.microsoft.com/en-us/cpp/c-runtime-library/potential-errors-passing-crt-objects-across-dll-boundaries) in principle also new/delete can be affected as well as other objects, e.g. file handles. Requires further investigation.

ROOT version

master

Installation method

From sources

Operating system

Windows

Additional context

No response

Lenguaje dominante
C++
Estrellas
3.3k
Forks
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Merge medio
2 d 16 h
PR fusionados (30 d)
194

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