diff options
Diffstat (limited to 'lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp')
| -rw-r--r-- | lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp index 0e3a649e88f78..dab29be1c8fb1 100644 --- a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp +++ b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp @@ -81,6 +81,8 @@ class PthreadLockChecker public: void checkPostStmt(const CallExpr *CE, CheckerContext &C) const; void checkDeadSymbols(SymbolReaper &SymReaper, CheckerContext &C) const; + void printState(raw_ostream &Out, ProgramStateRef State, + const char *NL, const char *Sep) const override; void AcquireLock(CheckerContext &C, const CallExpr *CE, SVal lock, bool isTryLock, enum LockingSemantics semantics) const; @@ -184,6 +186,39 @@ ProgramStateRef PthreadLockChecker::resolvePossiblyDestroyedMutex( return state; } +void PthreadLockChecker::printState(raw_ostream &Out, ProgramStateRef State, + const char *NL, const char *Sep) const { + LockMapTy LM = State->get<LockMap>(); + if (!LM.isEmpty()) { + Out << Sep << "Mutex states:" << NL; + for (auto I : LM) { + I.first->dumpToStream(Out); + if (I.second.isLocked()) + Out << ": locked"; + else if (I.second.isUnlocked()) + Out << ": unlocked"; + else if (I.second.isDestroyed()) + Out << ": destroyed"; + else if (I.second.isUntouchedAndPossiblyDestroyed()) + Out << ": not tracked, possibly destroyed"; + else if (I.second.isUnlockedAndPossiblyDestroyed()) + Out << ": unlocked, possibly destroyed"; + Out << NL; + } + } + + LockSetTy LS = State->get<LockSet>(); + if (!LS.isEmpty()) { + Out << Sep << "Mutex lock order:" << NL; + for (auto I: LS) { + I->dumpToStream(Out); + Out << NL; + } + } + + // TODO: Dump destroyed mutex symbols? +} + void PthreadLockChecker::AcquireLock(CheckerContext &C, const CallExpr *CE, SVal lock, bool isTryLock, enum LockingSemantics semantics) const { |