Merge pull request #5668 from kumpera/wasm-work-p4

[mono.git] / libgc / alloc.c

diff --git a/libgc/alloc.c b/libgc/alloc.c
index 9ec6992352ad893b381dff712b37791359a183e8..2ffafd441d7ed48dde9265fb787ffb92c6ba806c 100644 (file)
--- a/libgc/alloc.c
+++ b/libgc/alloc.c
@@ -644,9 +644,17 @@ GC_stop_func stop_func;
    }
 }
 
-void (*GC_notify_event) GC_PROTO((GCEventType e));
+void (*GC_notify_event) GC_PROTO((GC_EventType e));
 void (*GC_on_heap_resize) GC_PROTO((size_t new_size));
 
+GC_API void GC_set_on_collection_event (void (*fn) (GC_EventType))
+{
+       DCL_LOCK_STATE;
+       LOCK();
+       GC_notify_event = fn;
+       UNLOCK();
+}
+
 /* Finish up a collection.  Assumes lock is held, signals are disabled,        */
 /* but the world is otherwise running.                                 */
 void GC_finish_collection()
@@ -969,7 +977,7 @@ word n;
       }
 #   endif
     expansion_slop = WORDS_TO_BYTES(min_words_allocd()) + 4*MAXHINCR*HBLKSIZE;
-    if (GC_last_heap_addr == 0 && !((word)space & SIGNB)
+    if ((GC_last_heap_addr == 0 && !((word)space & SIGNB))
         || (GC_last_heap_addr != 0 && GC_last_heap_addr < (ptr_t)space)) {
         /* Assume the heap is growing up */
         GC_greatest_plausible_heap_addr =