57 lines
2.3 KiB
Plaintext
57 lines
2.3 KiB
Plaintext
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# Valgrind suppressions for the libakgl memory-check run.
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#
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# Used by `cmake --build build --target memcheck` and by any hand-run
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# `ctest -T memcheck`; see AGENTS.md -> "Memory checking".
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#
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# Every entry here is a deliberate decision that a finding belongs to somebody
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# else's code and cannot be fixed from this repository. Nothing that libakgl
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# allocates is suppressed, and nothing is suppressed merely because it is noisy.
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# If a suppression starts hiding a real finding, delete it -- a false negative in
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# a leak check is worth more than a quiet log.
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#
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# The memcheck target runs the suite headless (SDL_VIDEO_DRIVER=dummy,
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# SDL_RENDER_DRIVER=software, SDL_AUDIO_DRIVER=dummy) precisely so that the GPU
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# stack is never loaded. That removes thousands of unfixable findings inside
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# amdgpu_dri.so / Mesa / libGLX without suppressing anything, which is why there
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# are no driver entries below. Run the suite against a real driver and you will
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# need them; do not add them here on that account.
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# SDL allocates its global state -- the hint table, the property registry, the
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# log category array, the clipboard -- on first use and reclaims it in SDL_Quit.
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# A test that fails before SDL_Quit, and every test that deliberately leaves SDL
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# up so a later assertion can look at it, leaves those blocks behind. They are
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# one-per-process, not per-call, so they cannot accumulate into a leak.
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{
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sdl3-global-state-still-reachable
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Memcheck:Leak
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match-leak-kinds: reachable
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...
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fun:SDL_InitSubSystem_REAL
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}
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# dlopen keeps the link map and the loaded objects' TLS blocks for the process
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# lifetime; a dlclose does not return them. SDL loads its video, audio, and
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# render backends this way, and SDL_image and SDL_mixer load their codecs the
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# same way.
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{
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dl-open-keeps-its-link-map
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Memcheck:Leak
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match-leak-kinds: reachable,possible
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...
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fun:_dl_open
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}
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# FreeType, reached through SDL_ttf, caches per-face and per-size structures
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# inside the library instance and frees them in FT_Done_FreeType, which SDL_ttf
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# calls from TTF_Quit. A suite that opens a font and exits without TTF_Quit
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# reports them; a font libakgl itself failed to close is a different finding and
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# is NOT covered here -- it appears under akgl_text_loadfont, not under
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# FT_Init_FreeType.
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{
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freetype-library-instance
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Memcheck:Leak
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match-leak-kinds: reachable
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...
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fun:FT_Init_FreeType
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}
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