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fix unprotect of guard pages

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This commit is contained in:
daan 2020-05-02 10:51:10 -07:00
parent 37b43e4cea
commit b8846f7a27
3 changed files with 8 additions and 3 deletions
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2
src/arena.c
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@ -210,7 +210,7 @@ static void mi_cache_purge(mi_os_tld_t* tld) {
if (slot->expire != 0 && now >= slot->expire) { // safe read
// still expired, decommit it
slot->expire = 0;
mi_assert_internal(slot->is_committed && !slot->is_large);
mi_assert_internal(slot->is_committed && mi_bitmap_is_claimed(cache_available_large, MI_CACHE_FIELDS, 1, bitidx));
_mi_abandoned_await_readers(); // wait until safe to decommit
_mi_os_decommit(slot->p, MI_SEGMENT_SIZE, tld->stats);
slot->is_committed = false;