From c92a3ec6c31c7cf10c7705bc31f97d190ef44aab Mon Sep 17 00:00:00 2001
From: Sam Gross <colesbury@gmail.com>
Date: Thu, 24 Oct 2019 15:49:47 -0400
Subject: [PATCH] Expose _mi_heap_is_valid

---
 include/mimalloc-internal.h | 1 +
 src/heap.c                  | 6 +++---
 src/init.c                  | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h
index e99e6df6..0f95fc41 100644
--- a/include/mimalloc-internal.h
+++ b/include/mimalloc-internal.h
@@ -105,6 +105,7 @@ void        _mi_block_zero_init(const mi_page_t* page, void* p, size_t size);
 
 #if MI_DEBUG>1
 bool        _mi_page_is_valid(mi_page_t* page);
+bool        _mi_heap_is_valid(mi_heap_t* heap);
 #endif
 
 
diff --git a/src/heap.c b/src/heap.c
index 33610080..141a88b9 100644
--- a/src/heap.c
+++ b/src/heap.c
@@ -57,7 +57,7 @@ static bool _mi_heap_page_is_valid(mi_heap_t* heap, mi_page_queue_t* pq, mi_page
   return true;
 }
 
-static bool mi_heap_is_valid(mi_heap_t* heap) {
+bool _mi_heap_is_valid(mi_heap_t* heap) {
   mi_assert_internal(heap!=NULL);
   mi_heap_visit_pages(heap, &_mi_heap_page_is_valid, NULL, NULL);
   return true;
@@ -278,7 +278,7 @@ void _mi_heap_destroy_pages(mi_heap_t* heap) {
 void mi_heap_destroy(mi_heap_t* heap) {
   mi_assert(mi_heap_is_initialized(heap));
   mi_assert(heap->no_reclaim);
-  mi_assert_expensive(mi_heap_is_valid(heap));
+  mi_assert_expensive(_mi_heap_is_valid(heap));
   if (!mi_heap_is_initialized(heap)) return;
   if (!heap->no_reclaim) {
     // don't free in case it may contain reclaimed pages
@@ -335,7 +335,7 @@ static void mi_heap_absorb(mi_heap_t* heap, mi_heap_t* from) {
 void mi_heap_delete(mi_heap_t* heap)
 {
   mi_assert(mi_heap_is_initialized(heap));
-  mi_assert_expensive(mi_heap_is_valid(heap));
+  mi_assert_expensive(_mi_heap_is_valid(heap));
   if (!mi_heap_is_initialized(heap)) return;
 
   if (!mi_heap_is_backing(heap)) {
diff --git a/src/init.c b/src/init.c
index f85cb51b..1efe4a02 100644
--- a/src/init.c
+++ b/src/init.c
@@ -314,7 +314,7 @@ static void _mi_thread_done(mi_heap_t* heap) mi_attr_noexcept;
 mi_heap_t* mi_heap_set_default(mi_heap_t* heap) {
   mi_assert(mi_heap_is_initialized(heap));
   if (!mi_heap_is_initialized(heap)) return NULL;
-  mi_assert_expensive(mi_heap_is_valid(heap));
+  mi_assert_expensive(_mi_heap_is_valid(heap));
   mi_heap_t* old   = _mi_heap_default;
   _mi_heap_default = heap;