From bbe9cf4fe4ff9a8d1ea557fb763c76100db07679 Mon Sep 17 00:00:00 2001
From: Hennadii Stepanov <32963518+hebasto@users.noreply.github.com>
Date: Mon, 22 Jun 2020 18:21:12 +0300
Subject: test: Improve "potential deadlock detected" exception message

---
 src/sync.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/sync.cpp')

diff --git a/src/sync.cpp b/src/sync.cpp
index e7ea731482..e69ff090c6 100644
--- a/src/sync.cpp
+++ b/src/sync.cpp
@@ -114,13 +114,17 @@ static void potential_deadlock_detected(const LockPair& mismatch, const LockStac
         }
         LogPrintf(" %s\n", i.second.ToString());
     }
+
+    std::string mutex_a, mutex_b;
     LogPrintf("Current lock order is:\n");
     for (const LockStackItem& i : s2) {
         if (i.first == mismatch.first) {
             LogPrintf(" (1)"); /* Continued */
+            mutex_a = i.second.Name();
         }
         if (i.first == mismatch.second) {
             LogPrintf(" (2)"); /* Continued */
+            mutex_b = i.second.Name();
         }
         LogPrintf(" %s\n", i.second.ToString());
     }
@@ -128,7 +132,7 @@ static void potential_deadlock_detected(const LockPair& mismatch, const LockStac
         tfm::format(std::cerr, "Assertion failed: detected inconsistent lock order at %s:%i, details in debug log.\n", __FILE__, __LINE__);
         abort();
     }
-    throw std::logic_error("potential deadlock detected");
+    throw std::logic_error(strprintf("potential deadlock detected: %s -> %s -> %s", mutex_b, mutex_a, mutex_b));
 }
 
 static void push_lock(void* c, const CLockLocation& locklocation)
-- 
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