Changeset 3173 for trunk/src/kmk/w32/winchildren.c

Timestamp:

Mar 21, 2018, 10:37:41 PM (7 years ago)

Author:

bird

Message:

kmkbultin: environment fixes and stats.

File:

• trunk/src/kmk/w32/winchildren.c (modified) (1 diff)

trunk/src/kmk/w32/winchildren.c

@@ -2536 +2536 @@
  * that completed children is the typical source of these tokens (esp. for kmk).
  *
- * @returns Event handle.
+ * @returns Zero if completed children, event handle if waiting is required.
  */
 intptr_t MkWinChildGetCompleteEventHandle(void)
 {
-    return (intptr_t)g_hEvtWaitChildren;
+    /* We don't return the handle if we've got completed children.  This
+       is a safe guard against being called twice in a row without any
+       MkWinChildWait call inbetween. */
+    if (!g_pTailCompletedChildren)
+        return (intptr_t)g_hEvtWaitChildren;
+    return 0;
 }