+ if (good) starttime = GetTickCount();
+#ifdef _MSC_VER
+ if (heaplist_first(handle, &hlist))
+ {
+ /*
+ following discussion on dev ML, exception on WinCE (or other Win
+ platform) is theoretically of unknown origin; prevent infinite
+ loop here when this theoretical case occurs; otherwise cope with
+ the expected (MSDN documented) exception-throwing behaviour of
+ Heap32Next() on WinCE.
+
+ based on patch in original message by Tanguy Fautré (2009/03/02)
+ Subject: RAND_poll() and CreateToolhelp32Snapshot() stability
+ */
+ int ex_cnt_limit = 42;
+ do
+ {
+ RAND_add(&hlist, hlist.dwSize, 3);
+ __try
+ {
+ ZeroMemory(&hentry, sizeof(HEAPENTRY32));
+ hentry.dwSize = sizeof(HEAPENTRY32);
+ if (heap_first(&hentry,
+ hlist.th32ProcessID,
+ hlist.th32HeapID))
+ {
+ int entrycnt = 80;
+ do
+ RAND_add(&hentry,
+ hentry.dwSize, 5);
+ while (heap_next(&hentry)
+ && (!good || (GetTickCount()-starttime)<MAXDELAY)
+ && --entrycnt > 0);
+ }
+ }
+ __except (EXCEPTION_EXECUTE_HANDLER)
+ {
+ /* ignore access violations when walking the heap list */
+ ex_cnt_limit--;
+ }
+ } while (heaplist_next(handle, &hlist)
+ && (!good || (GetTickCount()-starttime)<MAXDELAY)
+ && ex_cnt_limit > 0);
+ }
+
+#else