xnu-6153.11.26.tar.gz

[apple/xnu.git] / tools / lldbmacros / waitq.py

diff --git a/tools/lldbmacros/waitq.py b/tools/lldbmacros/waitq.py
index 8bfa6391903d99cee429b5a4f44fcabb34f25192..6768635c0a68df17270a58a5822d66812e682894 100755 (executable)
--- a/tools/lldbmacros/waitq.py
+++ b/tools/lldbmacros/waitq.py
@@ -832,6 +832,10 @@ def GetWaitqPreposts(waitq):
     wqset = Cast(waitq, 'waitq_set *')
     if wqset.wqset_prepost_id == 0:
         return []
+    if not wqset.wqset_q.waitq_prepost:
+        # If the "prepost_id" is non-zero, but the 'waitq_prepost' bit is
+        # *not* set, then this waitq actually has a prepost hook!
+        return [ "{0: <#18x}:{1: <18s}".format(wqset.wqset_prepost_id, "<hook>") ]
     return GetPrepostChain(wqset.wqset_prepost_id)