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Daan 2023-04-24 11:29:05 -07:00
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@ -402,18 +402,15 @@ on large programs that include other 3rd party components.
There are four requirements to make the overriding work robustly: There are four requirements to make the overriding work robustly:
1. Use the C-runtime library as a DLL (using the `/MD` or `/MDd` switch). 1. Use the C-runtime library as a DLL (using the `/MD` or `/MDd` switch).
2. Link your program explicitly with `mimalloc-override.dll` library. 2. Link your program explicitly with `mimalloc-override.dll` library.
To ensure the `mimalloc-override.dll` is loaded at run-time it is easiest to insert some To ensure the `mimalloc-override.dll` is loaded at run-time it is easiest to insert some
call to the mimalloc API in the `main` function, like `mi_version()` call to the mimalloc API in the `main` function, like `mi_version()`
(or use the `/INCLUDE:mi_version` switch on the linker). See the `mimalloc-override-test` project (or use the `/INCLUDE:mi_version` switch on the linker). See the `mimalloc-override-test` project
for an example on how to use this. for an example on how to use this.
3. The `mimalloc-redirect.dll` (or `mimalloc-redirect32.dll`) must be put 3. The `mimalloc-redirect.dll` (or `mimalloc-redirect32.dll`) must be put
in the same folder as the main `mimalloc-override.dll` at runtime (as it is a dependency of that DLL). in the same folder as the main `mimalloc-override.dll` at runtime (as it is a dependency of that DLL).
The redirection DLL ensures that all calls to the C runtime malloc API get redirected to The redirection DLL ensures that all calls to the C runtime malloc API get redirected to
mimalloc functions (which reside in `mimalloc-override.dll`). mimalloc functions (which reside in `mimalloc-override.dll`).
4. Ensure the `mimalloc-override.dll` comes as early as possible in the import 4. Ensure the `mimalloc-override.dll` comes as early as possible in the import
list of the final executable (so it can intercept all potential allocations). list of the final executable (so it can intercept all potential allocations).