1 files changed, 19 insertions, 0 deletions
diff --git a/src/sync.cpp b/src/sync.cpp
index d6444141d..9a20c87f8 100644
--- a/src/sync.cpp
+++ b/src/sync.cpp
@@ -3,6 +3,7 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "sync.h"
+
 #include "util.h"
 
 #include <boost/foreach.hpp>
@@ -41,6 +42,8 @@ struct CLockLocation
         return mutexName+"  "+sourceFile+":"+itostr(sourceLine);
     }
 
+    std::string MutexName() const { return mutexName; }
+
 private:
     std::string mutexName;
     std::string sourceFile;
@@ -125,4 +128,20 @@ void LeaveCritical()
     pop_lock();
 }
 
+std::string LocksHeld()
+{
+    std::string result;
+    BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)&i, *lockstack)
+        result += i.second.ToString() + std::string("\n");
+    return result;
+}
+
+void AssertLockHeld(std::string strName)
+{
+    BOOST_FOREACH(const PAIRTYPE(void*, CLockLocation)&i, *lockstack)
+        if (i.second.MutexName() == strName) return;
+    LogPrintf("Lock %s not held; locks held:\n%s", strName.c_str(), LocksHeld().c_str());
+    assert(0);
+}
+
 #endif /* DEBUG_LOCKORDER */