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Merge #20507: sync: print proper lock order location when double lock is detected

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db058efeb0 sync: use HasReason() in double lock tests (Vasil Dimov)
a21dc469cc sync: const-qualify the argument of double_lock_detected() (Vasil Dimov)
6d3689fcf6 sync: print proper lock order location when double lock is detected (Vasil Dimov)

Pull request description:

  Before:
  ```
  Assertion failed: detected double lock at src/sync.cpp:153, details in debug log.
  ```

  After:
  ```
  Assertion failed: detected double lock for 'm' in src/test/sync_tests.cpp:40 (in thread ''), details in debug log.
  ```

ACKs for top commit:
  jonasschnelli:
    utACK db058efeb0
  ajtowns:
    ACK db058efeb0
  hebasto:
    ACK db058efeb0, tested on Linux Mint 20 (x86_64).

Tree-SHA512: 452ddb9a14e44bb174135b39f2219c76eadbb8a6c0e80d64a25f995780d6dbc7b570d9902616db94dbfabaee197b5828ba3475171a68240ac0958fb203a7acdb
This commit is contained in:
MarcoFalke 2020-12-02 09:44:46 +01:00
commit 7f0f01f0ab
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GPG key ID: D2EA4850E7528B25
2 changed files with 6 additions and 6 deletions
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6
src/sync.cpp
View file

@ -139,7 +139,7 @@ static void potential_deadlock_detected(const LockPair& mismatch, const LockStac
throw std::logic_error(strprintf("potential deadlock detected: %s -> %s -> %s", mutex_b, mutex_a, mutex_b));
}
static void double_lock_detected(const void* mutex, LockStack& lock_stack)
static void double_lock_detected(const void* mutex, const LockStack& lock_stack)
{
LogPrintf("DOUBLE LOCK DETECTED\n");
LogPrintf("Lock order:\n");
@ -150,7 +150,9 @@ static void double_lock_detected(const void* mutex, LockStack& lock_stack)
LogPrintf(" %s\n", i.second.ToString());
}
if (g_debug_lockorder_abort) {
tfm::format(std::cerr, "Assertion failed: detected double lock at %s:%i, details in debug log.\n", __FILE__, __LINE__);
tfm::format(std::cerr,
"Assertion failed: detected double lock for %s, details in debug log.\n",
lock_stack.back().second.ToString());
abort();
}
throw std::logic_error("double lock detected");

6
src/test/sync_tests.cpp
View file

@ -50,10 +50,8 @@ void TestDoubleLock(bool should_throw)
MutexType m;
ENTER_CRITICAL_SECTION(m);
if (should_throw) {
BOOST_CHECK_EXCEPTION(
TestDoubleLock2(m), std::logic_error, [](const std::logic_error& e) {
return strcmp(e.what(), "double lock detected") == 0;
});
BOOST_CHECK_EXCEPTION(TestDoubleLock2(m), std::logic_error,
HasReason("double lock detected"));
} else {
BOOST_CHECK_NO_THROW(TestDoubleLock2(m));
}