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add arena contains check for valid pointers

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daanx 2023-04-18 14:13:55 -07:00
parent 10a6b303be
commit 2f878354f4
3 changed files with 8 additions and 5 deletions
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2
src/bitmap.c
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@ -1,5 +1,5 @@
/* ----------------------------------------------------------------------------
Copyright (c) 2019-2021 Microsoft Research, Daan Leijen
Copyright (c) 2019-2023 Microsoft Research, Daan Leijen
This is free software; you can redistribute it and/or modify it under the
terms of the MIT license. A copy of the license can be found in the file
"LICENSE" at the root of this distribution.

2
src/segment-map.c
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@ -125,7 +125,7 @@ static mi_segment_t* _mi_segment_of(const void* p) {
// Is this a valid pointer in our heap?
static bool mi_is_valid_pointer(const void* p) {
return (_mi_segment_of(p) != NULL);
return ((_mi_segment_of(p) != NULL) || (_mi_arena_contains(p)));
}
mi_decl_nodiscard mi_decl_export bool mi_is_in_heap_region(const void* p) mi_attr_noexcept {

9
test/test-stress.c
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@ -38,8 +38,8 @@ static int ITER = 50; // N full iterations destructing and re-creating a
#define STRESS // undefine for leak test
static bool allow_large_objects = true; // allow very large objects?
static size_t use_one_size = 0; // use single object size of `N * sizeof(uintptr_t)`?
static bool allow_large_objects = false; // allow very large objects? (set to `true` if SCALE>100)
static size_t use_one_size = 0; // use single object size of `N * sizeof(uintptr_t)`?
// #define USE_STD_MALLOC
@ -244,7 +244,10 @@ int main(int argc, char** argv) {
long n = (strtol(argv[3], &end, 10));
if (n > 0) ITER = n;
}
printf("Using %d threads with a %d%% load-per-thread and %d iterations\n", THREADS, SCALE, ITER);
if (SCALE > 100) {
allow_large_objects = true;
}
printf("Using %d threads with a %d%% load-per-thread and %d iterations %s\n", THREADS, SCALE, ITER, (allow_large_objects ? "(allow large objects)" : ""));
//mi_reserve_os_memory(1024*1024*1024ULL, false, true);
//int res = mi_reserve_huge_os_pages(4,1);
//printf("(reserve huge: %i\n)", res);