1 files changed, 26 insertions, 0 deletions
diff --git a/src/corelib/kernel/qguard.cpp b/src/corelib/kernel/qguard.cpp
new file mode 100644
index 0000000..c61be00
--- /dev/null
+++ b/src/corelib/kernel/qguard.cpp
@@ -0,0 +1,26 @@
+#include "qguard_p.h"
+#include <private/qobject_p.h>
+
+void q_guard_addGuard(QGuard<QObject> *g)
+{
+    QObjectPrivate *p = QObjectPrivate::get(g->o);
+    if (p->wasDeleted) {
+        qWarning("QGuard: cannot add guard to deleted object");
+        g->o = 0;
+        return;
+    }
+
+    g->next = p->objectGuards;
+    p->objectGuards = g;
+    g->prev = &p->objectGuards;
+    if (g->next)
+        g->next->prev = &g->next;
+}
+
+void q_guard_removeGuard(QGuard<QObject> *g)
+{
+    *g->prev = g->next;
+    g->next = 0;
+    g->prev = 0;
+}
+