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add heap leak check method

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This commit is contained in:
daan 2020-04-07 09:04:20 -07:00
parent aa47541ee5
commit 40385c528b
3 changed files with 18 additions and 2 deletions
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16
src/heap.c
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@ -574,6 +574,7 @@ typedef struct mi_print_json_s {
} mi_print_json_t;
static bool mi_heap_print_json_visit(const mi_heap_t* heap, const mi_heap_area_t* area, const mi_block_info_t* info, void* arg) {
UNUSED(heap);
mi_print_json_t* varg = (mi_print_json_t*)(arg);
if (info==NULL) {
_mi_fprintf(varg->out, varg->out_arg, varg->area_count==0 ? " {" : " ]\n}\n,{");
@ -599,8 +600,21 @@ static bool mi_heap_print_json_visit(const mi_heap_t* heap, const mi_heap_area_t
void mi_heap_print_json(mi_heap_t* heap, mi_output_fun* out, void* arg) {
if (heap==NULL) heap = mi_heap_get_default();
mi_print_json_t info = { 0, 0, out, arg };
_mi_fprintf(info.out, info.out_arg, "{ \"heap\": 0x%p, \"thread_id\": 0x%zx, \"page_count\": %zu", heap, heap->thread_id, heap->page_count);
_mi_fprintf(info.out, info.out_arg, "{ \"heap\": 0x%p, \"thread_id\": 0x%zx, \"page_count\": %zu, \"block_padding\": %zu", heap, heap->thread_id, heap->page_count, mi_extra_padding() );
_mi_fprintf(info.out, info.out_arg, ", \"pages\": [\n");
mi_heap_visit_blocks(heap, true, &mi_heap_print_json_visit, &info);
_mi_fprintf(info.out, info.out_arg, info.area_count==0 ? "]\n" : " ] }\n] }\n");
}
bool mi_heap_is_empty(mi_heap_t* heap) {
if (heap==NULL) heap = mi_heap_get_default();
mi_collect(false);
return (heap->page_count == 0);
}
void mi_heap_check_leak(mi_heap_t* heap, mi_output_fun* out, void* arg) {
if (!mi_heap_is_empty(heap)) {
_mi_fprintf(out,arg,"mimalloc: potential memory leak detected. Current heap blocks:\n");
mi_heap_print_json(heap, out, arg);
}
}