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skip purge after arenas destroy

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Daan 2025-06-17 19:59:12 -07:00
parent aaf8da9aba
commit 1b5ee4e2d0
1 changed files with 5 additions and 7 deletions
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12
src/arena.c
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@ -1088,9 +1088,8 @@ bool _mi_arenas_contain(const void* p) {
// for dynamic libraries that are unloaded and need to release all their allocated memory. // for dynamic libraries that are unloaded and need to release all their allocated memory.
static void mi_arenas_unsafe_destroy(mi_subproc_t* subproc) { static void mi_arenas_unsafe_destroy(mi_subproc_t* subproc) {
mi_assert_internal(subproc != NULL); mi_assert_internal(subproc != NULL);
const size_t max_arena = mi_arenas_get_count(subproc); const size_t arena_count = mi_arenas_get_count(subproc);
size_t new_max_arena = 0; for (size_t i = 0; i < arena_count; i++) {
for (size_t i = 0; i < max_arena; i++) {
mi_arena_t* arena = mi_atomic_load_ptr_acquire(mi_arena_t, &subproc->arenas[i]); mi_arena_t* arena = mi_atomic_load_ptr_acquire(mi_arena_t, &subproc->arenas[i]);
if (arena != NULL) { if (arena != NULL) {
// mi_lock_done(&arena->abandoned_visit_lock); // mi_lock_done(&arena->abandoned_visit_lock);
@ -1100,10 +1099,9 @@ static void mi_arenas_unsafe_destroy(mi_subproc_t* subproc) {
} }
} }
} }
// try to lower the max arena. // try to lower the max arena.
size_t expected = max_arena; size_t expected = arena_count;
mi_atomic_cas_strong_acq_rel(&subproc->arena_count, &expected, new_max_arena); mi_atomic_cas_strong_acq_rel(&subproc->arena_count, &expected, 0);
} }
@ -1111,7 +1109,7 @@ static void mi_arenas_unsafe_destroy(mi_subproc_t* subproc) {
// for dynamic libraries that are unloaded and need to release all their allocated memory. // for dynamic libraries that are unloaded and need to release all their allocated memory.
void _mi_arenas_unsafe_destroy_all(mi_subproc_t* subproc) { void _mi_arenas_unsafe_destroy_all(mi_subproc_t* subproc) {
mi_arenas_unsafe_destroy(subproc); mi_arenas_unsafe_destroy(subproc);
mi_arenas_try_purge(true /* force purge */, true /* visit all*/, subproc, 0 /* thread seq */); // purge non-owned arenas // mi_arenas_try_purge(true /* force purge */, true /* visit all*/, subproc, 0 /* thread seq */); // purge non-owned arenas
} }