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22 lines
871 B
C++
22 lines
871 B
C++
#include "Allocator.h"
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/** Keep definition of this constant in cpp file; otherwise its value
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* is inlined into allocator code making it impossible to override it
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* in third-party code.
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*
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* Note: extern may seem redundant, but is actually needed due to bug in GCC.
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* See also: https://gcc.gnu.org/legacy-ml/gcc-help/2017-12/msg00021.html
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*/
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#ifdef NDEBUG
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__attribute__((__weak__)) extern const size_t MMAP_THRESHOLD = 64 * (1ULL << 20);
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#else
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/**
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* In debug build, use small mmap threshold to reproduce more memory
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* stomping bugs. Along with ASLR it will hopefully detect more issues than
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* ASan. The program may fail due to the limit on number of memory mappings.
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*
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* Not too small to avoid too quick exhaust of memory mappings.
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*/
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__attribute__((__weak__)) extern const size_t MMAP_THRESHOLD = 16384;
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#endif
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