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path: root/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
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Diffstat (limited to 'lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp')
-rw-r--r--lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp38
1 files changed, 19 insertions, 19 deletions
diff --git a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
index 4209017a58d5..28a4a083ea3c 100644
--- a/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/PthreadLockChecker.cpp
@@ -32,9 +32,9 @@ private:
LockState(Kind K) : K(K) {}
public:
- static LockState getLocked(void) { return LockState(Locked); }
- static LockState getUnlocked(void) { return LockState(Unlocked); }
- static LockState getDestroyed(void) { return LockState(Destroyed); }
+ static LockState getLocked() { return LockState(Locked); }
+ static LockState getUnlocked() { return LockState(Unlocked); }
+ static LockState getDestroyed() { return LockState(Destroyed); }
bool operator==(const LockState &X) const {
return K == X.K;
@@ -62,10 +62,10 @@ class PthreadLockChecker : public Checker< check::PostStmt<CallExpr> > {
};
public:
void checkPostStmt(const CallExpr *CE, CheckerContext &C) const;
-
+
void AcquireLock(CheckerContext &C, const CallExpr *CE, SVal lock,
bool isTryLock, enum LockingSemantics semantics) const;
-
+
void ReleaseLock(CheckerContext &C, const CallExpr *CE, SVal lock) const;
void DestroyLock(CheckerContext &C, const CallExpr *CE, SVal Lock) const;
void InitLock(CheckerContext &C, const CallExpr *CE, SVal Lock) const;
@@ -96,7 +96,7 @@ void PthreadLockChecker::checkPostStmt(const CallExpr *CE,
false, PthreadSemantics);
else if (FName == "lck_mtx_lock" ||
FName == "lck_rw_lock_exclusive" ||
- FName == "lck_rw_lock_shared")
+ FName == "lck_rw_lock_shared")
AcquireLock(C, CE, state->getSVal(CE->getArg(0), LCtx),
false, XNUSemantics);
else if (FName == "pthread_mutex_trylock" ||
@@ -124,17 +124,17 @@ void PthreadLockChecker::checkPostStmt(const CallExpr *CE,
void PthreadLockChecker::AcquireLock(CheckerContext &C, const CallExpr *CE,
SVal lock, bool isTryLock,
enum LockingSemantics semantics) const {
-
+
const MemRegion *lockR = lock.getAsRegion();
if (!lockR)
return;
-
+
ProgramStateRef state = C.getState();
-
+
SVal X = state->getSVal(CE, C.getLocationContext());
if (X.isUnknownOrUndef())
return;
-
+
DefinedSVal retVal = X.castAs<DefinedSVal>();
if (const LockState *LState = state->get<LockMap>(lockR)) {
@@ -142,7 +142,7 @@ void PthreadLockChecker::AcquireLock(CheckerContext &C, const CallExpr *CE,
if (!BT_doublelock)
BT_doublelock.reset(new BugType(this, "Double locking",
"Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto report = llvm::make_unique<BugReport>(
@@ -183,8 +183,8 @@ void PthreadLockChecker::AcquireLock(CheckerContext &C, const CallExpr *CE,
assert((semantics == XNUSemantics) && "Unknown locking semantics");
lockSucc = state;
}
-
- // Record that the lock was acquired.
+
+ // Record that the lock was acquired.
lockSucc = lockSucc->add<LockSet>(lockR);
lockSucc = lockSucc->set<LockMap>(lockR, LockState::getLocked());
C.addTransition(lockSucc);
@@ -196,7 +196,7 @@ void PthreadLockChecker::ReleaseLock(CheckerContext &C, const CallExpr *CE,
const MemRegion *lockR = lock.getAsRegion();
if (!lockR)
return;
-
+
ProgramStateRef state = C.getState();
if (const LockState *LState = state->get<LockMap>(lockR)) {
@@ -204,7 +204,7 @@ void PthreadLockChecker::ReleaseLock(CheckerContext &C, const CallExpr *CE,
if (!BT_doubleunlock)
BT_doubleunlock.reset(new BugType(this, "Double unlocking",
"Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto Report = llvm::make_unique<BugReport>(
@@ -227,7 +227,7 @@ void PthreadLockChecker::ReleaseLock(CheckerContext &C, const CallExpr *CE,
if (firstLockR != lockR) {
if (!BT_lor)
BT_lor.reset(new BugType(this, "Lock order reversal", "Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto report = llvm::make_unique<BugReport>(
@@ -272,7 +272,7 @@ void PthreadLockChecker::DestroyLock(CheckerContext &C, const CallExpr *CE,
if (!BT_destroylock)
BT_destroylock.reset(new BugType(this, "Destroy invalid lock",
"Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto Report = llvm::make_unique<BugReport>(*BT_destroylock, Message, N);
@@ -307,7 +307,7 @@ void PthreadLockChecker::InitLock(CheckerContext &C, const CallExpr *CE,
if (!BT_initlock)
BT_initlock.reset(new BugType(this, "Init invalid lock",
"Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto Report = llvm::make_unique<BugReport>(*BT_initlock, Message, N);
@@ -320,7 +320,7 @@ void PthreadLockChecker::reportUseDestroyedBug(CheckerContext &C,
if (!BT_destroylock)
BT_destroylock.reset(new BugType(this, "Use destroyed lock",
"Lock checker"));
- ExplodedNode *N = C.generateSink();
+ ExplodedNode *N = C.generateErrorNode();
if (!N)
return;
auto Report = llvm::make_unique<BugReport>(