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This commit is contained in:
daanx 2024-12-21 11:35:30 -08:00
parent 95aeda4cdd
commit 4ad7fedd25
5 changed files with 61 additions and 42 deletions
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11
src/init.c
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@ -223,7 +223,7 @@ void _mi_heap_guarded_init(mi_heap_t* heap) {
static void mi_subproc_main_init(void) {
if (subproc_main.memid.memkind != MI_MEM_STATIC) {
subproc_main.memid = _mi_memid_create(MI_MEM_STATIC);
mi_lock_init(&subproc_main.os_pages_lock);
mi_lock_init(&subproc_main.os_abandoned_pages_lock);
mi_lock_init(&subproc_main.arena_reserve_lock);
}
}
@ -361,7 +361,7 @@ mi_subproc_id_t mi_subproc_new(void) {
mi_subproc_t* subproc = (mi_subproc_t*)_mi_meta_zalloc(sizeof(mi_subproc_t),&memid);
if (subproc == NULL) return NULL;
subproc->memid = memid;
mi_lock_init(&subproc->os_pages_lock);
mi_lock_init(&subproc->os_abandoned_pages_lock);
mi_lock_init(&subproc->arena_reserve_lock);
return subproc;
}
@ -375,11 +375,10 @@ void mi_subproc_delete(mi_subproc_id_t subproc_id) {
mi_subproc_t* subproc = _mi_subproc_from_id(subproc_id);
// check if there are os pages still..
bool safe_to_delete = false;
if (mi_lock_acquire(&subproc->os_pages_lock)) {
if (subproc->os_pages.first == NULL) {
mi_lock(&subproc->os_abandoned_pages_lock) {
if (subproc->os_abandoned_pages == NULL) {
safe_to_delete = true;
}
mi_lock_release(&subproc->os_pages_lock);
}
if (!safe_to_delete) return;
@ -388,7 +387,7 @@ void mi_subproc_delete(mi_subproc_id_t subproc_id) {
// safe to release
// todo: should we refcount subprocesses?
mi_lock_done(&subproc->os_pages_lock);
mi_lock_done(&subproc->os_abandoned_pages_lock);
mi_lock_done(&subproc->arena_reserve_lock);
_mi_meta_free(subproc, sizeof(mi_subproc_t), subproc->memid);
}