commit 09bb3d872b592d30da42548207928b80d3ba9486 · pyrox.dev/nixpkgs

+69

pkgs/by-name/tb/tbb_2022/fix-libtbbmalloc-dlopen.patch

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       From 791d42ddacad829d19a4f66b77dc9ca410008db9 Mon Sep 17 00:00:00 2001

     

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       From: Emily <hello@emily.moe>

     

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       Date: Sat, 13 Sep 2025 03:16:16 +0100

     

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       Subject: [PATCH] Use `dladdr` to keep `libtbbmalloc` loaded on POSIX

     

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       This fixes issues that arise when `libtbbmalloc` cannot be loaded by

     

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       relative path, makes the behaviour consistent with the Windows code

     

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       path, and eliminates the duplication of `MALLOCLIB_NAME`.

     

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       ---

     

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        src/tbbmalloc/tbbmalloc.cpp | 34 +++++++++-------------------------

     

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        1 file changed, 9 insertions(+), 25 deletions(-)

     

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       diff --git a/src/tbbmalloc/tbbmalloc.cpp b/src/tbbmalloc/tbbmalloc.cpp

     

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       index b72e03a74f..12d62445aa 100644

     

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       --- a/src/tbbmalloc/tbbmalloc.cpp

     

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       +++ b/src/tbbmalloc/tbbmalloc.cpp

     

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       @@ -1,5 +1,5 @@

     

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        /*

     

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       -    Copyright (c) 2005-2023 Intel Corporation

     

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       +    Copyright (c) 2005-2025 Intel Corporation

     

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            Licensed under the Apache License, Version 2.0 (the "License");

     

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            you may not use this file except in compliance with the License.

     

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       @@ -32,25 +32,6 @@

     

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        namespace rml {

     

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        namespace internal {

     

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       -#if TBB_USE_DEBUG

     

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       -#define DEBUG_SUFFIX "_debug"

     

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       -#else

     

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       -#define DEBUG_SUFFIX

     

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       -#endif /* TBB_USE_DEBUG */

     

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       -

     

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       -// MALLOCLIB_NAME is the name of the oneTBB memory allocator library.

     

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       -#if _WIN32||_WIN64

     

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       -#define MALLOCLIB_NAME "tbbmalloc" DEBUG_SUFFIX ".dll"

     

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       -#elif __APPLE__

     

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       -#define MALLOCLIB_NAME "libtbbmalloc" DEBUG_SUFFIX ".2.dylib"

     

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       -#elif __FreeBSD__ || __NetBSD__ || __OpenBSD__ || __sun || _AIX || __ANDROID__

     

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       -#define MALLOCLIB_NAME "libtbbmalloc" DEBUG_SUFFIX ".so"

     

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       -#elif __unix__

     

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       -#define MALLOCLIB_NAME "libtbbmalloc" DEBUG_SUFFIX  __TBB_STRING(.so.2)

     

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       -#else

     

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       -#error Unknown OS

     

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       -#endif

     

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       -

     

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        void init_tbbmalloc() {

     

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        #if __TBB_USE_ITT_NOTIFY

     

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            MallocInitializeITT();

     

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       @@ -92,11 +73,14 @@ struct RegisterProcessShutdownNotification {

     

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            RegisterProcessShutdownNotification() {

     

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                // prevents unloading, POSIX case

     

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       -        // We need better support for the library pinning

     

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       -        // when dlopen can't find TBBmalloc library.

     

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       -        // for example: void *ret = dlopen(MALLOCLIB_NAME, RTLD_NOW);

     

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       -        // MALLOC_ASSERT(ret, "Allocator can't load itself.");

     

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       -        dlopen(MALLOCLIB_NAME, RTLD_NOW);

     

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       +        Dl_info dlinfo;

     

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       +        int ret = dladdr((void*)&init_tbbmalloc, &dlinfo);

     

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       +        MALLOC_ASSERT(ret && dlinfo.dli_fname, "Allocator can't find itself.");

     

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       +        tbb::detail::suppress_unused_warning(ret);

     

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       +

     

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       +        void* lib = dlopen(dlinfo.dli_fname, RTLD_NOW);

     

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       +        MALLOC_ASSERT(lib, "Allocator can't load itself.");

     

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       +        tbb::detail::suppress_unused_warning(lib);

     

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            }

     

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            RegisterProcessShutdownNotification(RegisterProcessShutdownNotification&) = delete;

pkgs/by-name/tb/tbb_2022/package.nix

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           # <https://github.com/uxlfoundation/oneTBB/pull/987>

     

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           ./fix-32-bit-powerpc-build.patch

     

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         ];

     

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         nativeBuildInputs = [

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           # <https://github.com/uxlfoundation/oneTBB/pull/987>

     

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           ./fix-32-bit-powerpc-build.patch

     

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           # Fix an assumption that `libtbbmalloc` can pass a relative path to

     

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           # `dlopen(3)` to find itself. This caused mysterious crashes on

     

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           # macOS, where we do not use run paths by default.

     

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           #

     

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           # <https://github.com/uxlfoundation/oneTBB/pull/1849>

     

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           ./fix-libtbbmalloc-dlopen.patch

     

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         ];

     

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         nativeBuildInputs = [