Always enforce lock strict lock ordering (try or not)

Author: TheBlueMatt

src/sync.cpp

@@ -77,52 +77,28 @@ boost::thread_specific_ptr<LockStack> lockstack;
 
 static void potential_deadlock_detected(const std::pair<void*, void*>& mismatch, const LockStack& s1, const LockStack& s2)
 {
-    // We attempt to not assert on probably-not deadlocks by assuming that
-    // a try lock will immediately have otherwise bailed if it had
-    // failed to get the lock
-    // We do this by, for the locks which triggered the potential deadlock,
-    // in either lockorder, checking that the second of the two which is locked
-    // is only a TRY_LOCK, ignoring locks if they are reentrant.
-    bool firstLocked = false;
-    bool secondLocked = false;
-    bool onlyMaybeDeadlock = false;
-
     LogPrintf("POTENTIAL DEADLOCK DETECTED\n");
     LogPrintf("Previous lock order was:\n");
     BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, s2) {
         if (i.first == mismatch.first) {
             LogPrintf(" (1)");
-            if (!firstLocked && secondLocked && i.second.fTry)
-                onlyMaybeDeadlock = true;
-            firstLocked = true;
         }
         if (i.first == mismatch.second) {
             LogPrintf(" (2)");
-            if (!secondLocked && firstLocked && i.second.fTry)
-                onlyMaybeDeadlock = true;
-            secondLocked = true;
         }
         LogPrintf(" %s\n", i.second.ToString());
     }
-    firstLocked = false;
-    secondLocked = false;
     LogPrintf("Current lock order is:\n");
     BOOST_FOREACH (const PAIRTYPE(void*, CLockLocation) & i, s1) {
         if (i.first == mismatch.first) {
             LogPrintf(" (1)");
-            if (!firstLocked && secondLocked && i.second.fTry)
-                onlyMaybeDeadlock = true;
-            firstLocked = true;
         }
         if (i.first == mismatch.second) {
             LogPrintf(" (2)");
-            if (!secondLocked && firstLocked && i.second.fTry)
-                onlyMaybeDeadlock = true;
-            secondLocked = true;
         }
         LogPrintf(" %s\n", i.second.ToString());
     }
-    assert(onlyMaybeDeadlock);
+    assert(false);
 }
 
 static void push_lock(void* c, const CLockLocation& locklocation, bool fTry)