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fix potential race on subproc field in the segment

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daanx 2024-06-03 20:57:00 -07:00
parent 76b0873ce2
commit b1188ea336
5 changed files with 19 additions and 21 deletions
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8
src/init.c
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@ -34,7 +34,7 @@ const mi_page_t _mi_page_empty = {
MI_ATOMIC_VAR_INIT(0), // xthread_free
MI_ATOMIC_VAR_INIT(0), // xheap
NULL, NULL
#if MI_INTPTR_SIZE==4
#if MI_INTPTR_SIZE==4
, { NULL }
#endif
};
@ -129,7 +129,7 @@ static mi_decl_cache_align mi_subproc_t mi_subproc_default;
static mi_decl_cache_align mi_tld_t tld_main = {
0, false,
&_mi_heap_main, &_mi_heap_main,
&_mi_heap_main, &_mi_heap_main,
{ { NULL, NULL }, {NULL ,NULL}, {NULL ,NULL, 0},
0, 0, 0, 0, 0, &mi_subproc_default,
&tld_main.stats, &tld_main.os
@ -171,7 +171,7 @@ static void mi_heap_main_init(void) {
#endif
_mi_heap_main.cookie = _mi_heap_random_next(&_mi_heap_main);
_mi_heap_main.keys[0] = _mi_heap_random_next(&_mi_heap_main);
_mi_heap_main.keys[1] = _mi_heap_random_next(&_mi_heap_main);
_mi_heap_main.keys[1] = _mi_heap_random_next(&_mi_heap_main);
mi_lock_init(&mi_subproc_default.abandoned_os_lock);
mi_lock_init(&mi_subproc_default.abandoned_os_visit_lock);
}
@ -341,7 +341,7 @@ static bool _mi_thread_heap_init(void) {
mi_heap_t* heap = &td->heap;
_mi_tld_init(tld, heap); // must be before `_mi_heap_init`
_mi_heap_init(heap, tld, _mi_arena_id_none(), false /* can reclaim */, 0 /* default tag */);
_mi_heap_set_default_direct(heap);
_mi_heap_set_default_direct(heap);
}
return false;
}