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Merge branch 'dev' into dev-arena

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This commit is contained in:
daan 2020-01-22 20:39:33 -08:00
commit e226ebcc97
20 changed files with 6123 additions and 216 deletions
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10
src/segment.c
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@ -853,7 +853,7 @@ static void mi_segments_prepend_abandoned(mi_segment_t* first) {
if (first == NULL) return;
// first try if the abandoned list happens to be NULL
if (mi_atomic_cas_ptr_weak(mi_atomic_cast(void*, &abandoned), first, NULL)) return;
if (mi_atomic_cas_ptr_weak(mi_segment_t, &abandoned, first, NULL)) return;
// if not, find the end of the list
mi_segment_t* last = first;
@ -864,9 +864,9 @@ static void mi_segments_prepend_abandoned(mi_segment_t* first) {
// and atomically prepend
mi_segment_t* next;
do {
next = (mi_segment_t*)mi_atomic_read_ptr_relaxed(mi_atomic_cast(void*, &abandoned));
next = mi_atomic_read_ptr_relaxed(mi_segment_t,&abandoned);
last->abandoned_next = next;
} while (!mi_atomic_cas_ptr_weak(mi_atomic_cast(void*, &abandoned), first, next));
} while (!mi_atomic_cas_ptr_weak(mi_segment_t, &abandoned, first, next));
}
static void mi_segment_abandon(mi_segment_t* segment, mi_segments_tld_t* tld) {
@ -918,9 +918,9 @@ void _mi_segment_page_abandon(mi_page_t* page, mi_segments_tld_t* tld) {
bool _mi_segment_try_reclaim_abandoned( mi_heap_t* heap, bool try_all, mi_segments_tld_t* tld) {
// To avoid the A-B-A problem, grab the entire list atomically
mi_segment_t* segment = (mi_segment_t*)mi_atomic_read_ptr_relaxed(mi_atomic_cast(void*, &abandoned)); // pre-read to avoid expensive atomic operations
mi_segment_t* segment = mi_atomic_read_ptr_relaxed(mi_segment_t,&abandoned); // pre-read to avoid expensive atomic operations
if (segment == NULL) return false;
segment = (mi_segment_t*)mi_atomic_exchange_ptr(mi_atomic_cast(void*, &abandoned), NULL);
segment = mi_atomic_exchange_ptr(mi_segment_t, &abandoned, NULL);
if (segment == NULL) return false;
// we got a non-empty list