Changeset 19471 in vbox

Timestamp:

May 7, 2009 9:07:28 AM (16 years ago)

Author:

vboxsync

Message:

Added PGMIsLocked & PDMCritSectIsLocked

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• PDMAllCritSect.cpp (modified) (1 diff)
• PGMAll.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/PDMAllCritSect.cpp

@@ -304 +304 @@
 }
 
+/**
+ * Checks if somebody currently owns the critical section. 
+ * Note: This doesn't prove that no deadlocks will occur later on; it's just a debugging tool
+ *
+ * @returns true if locked.
+ * @returns false if not locked.
+ * @param   pCritSect   The critical section.
+ */
+VMMDECL(bool) PDMCritSectIsLocked(PCPDMCRITSECT pCritSect)
+{
+    return pCritSect->s.Core.NativeThreadOwner != NIL_RTNATIVETHREAD;
+}
 
 /**

trunk/src/VBox/VMM/VMMAll/PGMAll.cpp

@@ -2020 +2020 @@
 
 /**
+ * Check if the PGM lock is currently taken.
+ *
+ * @returns bool locked/not locked
+ * @param   pVM         The VM to operate on.
+ */
+VMMDECL(bool) PGMIsLocked(PVM pVM)
+{
+    return PDMCritSectIsLocked(&pVM->pgm.s.CritSect);
+}
+
+/**
  * Acquire the PGM lock.
  *