Changeset 67721 in vbox for trunk/src/VBox/Main/glue

Timestamp:

Jun 30, 2017 10:17:01 AM (8 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

116569

Message:

glue/AutoLock: Adding isReadLockedOnCurrentThread method for debug assertions.

File:

• trunk/src/VBox/Main/glue/AutoLock.cpp (modified) (3 diffs)

trunk/src/VBox/Main/glue/AutoLock.cpp

@@ -230 +230 @@
 }
 
+/*virtual*/ bool RWLockHandle::isReadLockedOnCurrentThread(bool fWannaHear) const
+{
+#ifdef GLUE_USE_CRITSECTRW
+    return RTCritSectRwIsReadOwner(&m->CritSect, fWannaHear);
+#else
+    return RTSemRWIsReadOwner(m->sem, fWannaHear);
+#endif
+}
+
 /*virtual*/ void RWLockHandle::lockRead(LOCKVAL_SRC_POS_DECL)
 {
@@ -327 +336 @@
     RTCritSectEnter(&m->sem);
 #endif
+}
+
+/*virtual*/ bool WriteLockHandle::isReadLockedOnCurrentThread(bool fWannaHear) const
+{
+    RT_NOREF(fWannaHear);
+    return RTCritSectIsOwner(&m->sem);
 }
 
@@ -661 +676 @@
 }
 
+/**
+ * Returns @c true if the current thread holds a write lock on the managed
+ * read/write semaphore. Returns @c false if the managed semaphore is @c
+ * NULL.
+ *
+ * @note Intended for debugging only (esp. considering fWannaHear).
+ */
+bool AutoWriteLock::isReadLockedOnCurrentThread(bool fWannaHear) const
+{
+    return m->aHandles[0] ? m->aHandles[0]->isReadLockedOnCurrentThread(fWannaHear) : false;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 //