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Replace Execution Engine's mutex with std::recursive_mutex.

Browse Source 
This change has a bit of a trickle down effect due to the fact that
there are a number of derived implementations of ExecutionEngine,
and that the mutex is not tightly encapsulated so is used by other
classes directly.

Reviewed by: rnk

Differential Revision: http://reviews.llvm.org/D4196

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211214 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Zachary Turner 2014-06-18 20:17:35 +00:00
parent b2791542c2
commit 1f502bd9d7
7 changed files with 69 additions and 71 deletions
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7
include/llvm/ExecutionEngine/ExecutionEngine.h
View File

@ -22,10 +22,10 @@
#include "llvm/IR/ValueMap.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include <map>
#include <mutex>
#include <string>
#include <vector>
@ -42,7 +42,6 @@ class JITEventListener;
class JITMemoryManager;
class MachineCodeInfo;
class Module;
class MutexGuard;
class ObjectCache;
class RTDyldMemoryManager;
class Triple;
@ -59,7 +58,7 @@ class ExecutionEngineState {
public:
struct AddressMapConfig : public ValueMapConfig<const GlobalValue*> {
typedef ExecutionEngineState *ExtraData;
static sys::Mutex *getMutex(ExecutionEngineState *EES);
static std::recursive_mutex *getMutex(ExecutionEngineState *EES);
static void onDelete(ExecutionEngineState *EES, const GlobalValue *Old);
static void onRAUW(ExecutionEngineState *, const GlobalValue *,
const GlobalValue *);
@ -164,7 +163,7 @@ public:
/// lock - This lock protects the ExecutionEngine, MCJIT, JIT, JITResolver and
/// JITEmitter classes. It must be held while changing the internal state of
/// any of those classes.
sys::Mutex lock;
std::recursive_mutex lock;
//===--------------------------------------------------------------------===//
// ExecutionEngine Startup

12
include/llvm/IR/ValueMap.h
View File

@ -28,9 +28,9 @@
#include "llvm/ADT/DenseMap.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/type_traits.h"
#include <iterator>
#include <mutex>
namespace llvm {
@ -45,7 +45,7 @@ class ValueMapConstIterator;
/// This class defines the default behavior for configurable aspects of
/// ValueMap<>. User Configs should inherit from this class to be as compatible
/// as possible with future versions of ValueMap.
template<typename KeyT, typename MutexT = sys::Mutex>
template<typename KeyT, typename MutexT = std::recursive_mutex>
struct ValueMapConfig {
typedef MutexT mutex_type;
@ -216,11 +216,11 @@ public:
ValueMapCallbackVH Copy(*this);
typename Config::mutex_type *M = Config::getMutex(Copy.Map->Data);
if (M)
M->acquire();
M->lock();
Config::onDelete(Copy.Map->Data, Copy.Unwrap()); // May destroy *this.
Copy.Map->Map.erase(Copy); // Definitely destroys *this.
if (M)
M->release();
M->unlock();
}
void allUsesReplacedWith(Value *new_key) override {
assert(isa<KeySansPointerT>(new_key) &&
@ -229,7 +229,7 @@ public:
ValueMapCallbackVH Copy(*this);
typename Config::mutex_type *M = Config::getMutex(Copy.Map->Data);
if (M)
M->acquire();
M->lock();
KeyT typed_new_key = cast<KeySansPointerT>(new_key);
// Can destroy *this:
@ -245,7 +245,7 @@ public:
}
}
if (M)
M->release();
M->unlock();
}
};

16
lib/ExecutionEngine/ExecutionEngine.cpp
View File

@ -166,7 +166,7 @@ void *ExecutionEngineState::RemoveMapping(const GlobalValue *ToUnmap) {
}
void ExecutionEngine::addGlobalMapping(const GlobalValue *GV, void *Addr) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
DEBUG(dbgs() << "JIT: Map \'" << GV->getName()
<< "\' to [" << Addr << "]\n";);
@ -184,14 +184,14 @@ void ExecutionEngine::addGlobalMapping(const GlobalValue *GV, void *Addr) {
}
void ExecutionEngine::clearAllGlobalMappings() {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
EEState.getGlobalAddressMap().clear();
EEState.getGlobalAddressReverseMap().clear();
}
void ExecutionEngine::clearGlobalMappingsFromModule(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
for (Module::iterator FI = M->begin(), FE = M->end(); FI != FE; ++FI)
EEState.RemoveMapping(FI);
@ -201,7 +201,7 @@ void ExecutionEngine::clearGlobalMappingsFromModule(Module *M) {
}
void *ExecutionEngine::updateGlobalMapping(const GlobalValue *GV, void *Addr) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
ExecutionEngineState::GlobalAddressMapTy &Map =
EEState.getGlobalAddressMap();
@ -228,7 +228,7 @@ void *ExecutionEngine::updateGlobalMapping(const GlobalValue *GV, void *Addr) {
}
void *ExecutionEngine::getPointerToGlobalIfAvailable(const GlobalValue *GV) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
ExecutionEngineState::GlobalAddressMapTy::iterator I =
EEState.getGlobalAddressMap().find(GV);
@ -236,7 +236,7 @@ void *ExecutionEngine::getPointerToGlobalIfAvailable(const GlobalValue *GV) {
}
const GlobalValue *ExecutionEngine::getGlobalValueAtAddress(void *Addr) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// If we haven't computed the reverse mapping yet, do so first.
if (EEState.getGlobalAddressReverseMap().empty()) {
@ -555,7 +555,7 @@ void *ExecutionEngine::getPointerToGlobal(const GlobalValue *GV) {
if (Function *F = const_cast<Function*>(dyn_cast<Function>(GV)))
return getPointerToFunction(F);
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
if (void *P = EEState.getGlobalAddressMap()[GV])
return P;
@ -1346,7 +1346,7 @@ ExecutionEngineState::ExecutionEngineState(ExecutionEngine &EE)
: EE(EE), GlobalAddressMap(this) {
}
sys::Mutex *
std::recursive_mutex *
ExecutionEngineState::AddressMapConfig::getMutex(ExecutionEngineState *EES) {
return &EES->EE.lock;
}

38
lib/ExecutionEngine/JIT/JIT.cpp
View File

@ -96,18 +96,18 @@ namespace {
/// bugpoint or gdb users to search for a function by name without any context.
class JitPool {
SmallPtrSet<JIT*, 1> JITs; // Optimize for process containing just 1 JIT.
mutable sys::Mutex Lock;
mutable std::recursive_mutex Lock;
public:
void Add(JIT *jit) {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
JITs.insert(jit);
}
void Remove(JIT *jit) {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
JITs.erase(jit);
}
void *getPointerToNamedFunction(const char *Name) const {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
assert(JITs.size() != 0 && "No Jit registered");
//search function in every instance of JIT
for (SmallPtrSet<JIT*, 1>::const_iterator Jit = JITs.begin(),
@ -150,7 +150,7 @@ JIT::JIT(Module *M, TargetMachine &tm, TargetJITInfo &tji,
AllJits->Add(this);
// Add target data
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
FunctionPassManager &PM = jitstate->getPM();
M->setDataLayout(TM.getDataLayout());
PM.add(new DataLayoutPass(M));
@ -177,7 +177,7 @@ JIT::~JIT() {
/// addModule - Add a new Module to the JIT. If we previously removed the last
/// Module, we need re-initialize jitstate with a valid Module.
void JIT::addModule(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
if (Modules.empty()) {
assert(!jitstate && "jitstate should be NULL if Modules vector is empty!");
@ -206,7 +206,7 @@ void JIT::addModule(Module *M) {
bool JIT::removeModule(Module *M) {
bool result = ExecutionEngine::removeModule(M);
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
if (jitstate && jitstate->getModule() == M) {
delete jitstate;
@ -408,13 +408,13 @@ GenericValue JIT::runFunction(Function *F,
void JIT::RegisterJITEventListener(JITEventListener *L) {
if (!L)
return;
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
EventListeners.push_back(L);
}
void JIT::UnregisterJITEventListener(JITEventListener *L) {
if (!L)
return;
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
std::vector<JITEventListener*>::reverse_iterator I=
std::find(EventListeners.rbegin(), EventListeners.rend(), L);
if (I != EventListeners.rend()) {
@ -426,14 +426,14 @@ void JIT::NotifyFunctionEmitted(
const Function &F,
void *Code, size_t Size,
const JITEvent_EmittedFunctionDetails &Details) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
EventListeners[I]->NotifyFunctionEmitted(F, Code, Size, Details);
}
}
void JIT::NotifyFreeingMachineCode(void *OldPtr) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
EventListeners[I]->NotifyFreeingMachineCode(OldPtr);
}
@ -444,7 +444,7 @@ void JIT::NotifyFreeingMachineCode(void *OldPtr) {
/// GlobalAddress[F] with the address of F's machine code.
///
void JIT::runJITOnFunction(Function *F, MachineCodeInfo *MCI) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
class MCIListener : public JITEventListener {
MachineCodeInfo *const MCI;
@ -505,7 +505,7 @@ void *JIT::getPointerToFunction(Function *F) {
if (void *Addr = getPointerToGlobalIfAvailable(F))
return Addr; // Check if function already code gen'd
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// Now that this thread owns the lock, make sure we read in the function if it
// exists in this Module.
@ -534,7 +534,7 @@ void *JIT::getPointerToFunction(Function *F) {
}
void JIT::addPointerToBasicBlock(const BasicBlock *BB, void *Addr) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
BasicBlockAddressMapTy::iterator I =
getBasicBlockAddressMap().find(BB);
@ -546,7 +546,7 @@ void JIT::addPointerToBasicBlock(const BasicBlock *BB, void *Addr) {
}
void JIT::clearPointerToBasicBlock(const BasicBlock *BB) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
getBasicBlockAddressMap().erase(BB);
}
@ -555,7 +555,7 @@ void *JIT::getPointerToBasicBlock(BasicBlock *BB) {
(void)getPointerToFunction(BB->getParent());
// resolve basic block address
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
BasicBlockAddressMapTy::iterator I =
getBasicBlockAddressMap().find(BB);
@ -592,7 +592,7 @@ void *JIT::getPointerToNamedFunction(const std::string &Name,
/// variable, possibly emitting it to memory if needed. This is used by the
/// Emitter.
void *JIT::getOrEmitGlobalVariable(const GlobalVariable *GV) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
void *Ptr = getPointerToGlobalIfAvailable(GV);
if (Ptr) return Ptr;
@ -666,7 +666,7 @@ char* JIT::getMemoryForGV(const GlobalVariable* GV) {
size_t S = getDataLayout()->getTypeAllocSize(GlobalType);
size_t A = getDataLayout()->getPreferredAlignment(GV);
if (GV->isThreadLocal()) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
Ptr = TJI.allocateThreadLocalMemory(S);
} else if (TJI.allocateSeparateGVMemory()) {
if (A <= 8) {
@ -687,7 +687,7 @@ char* JIT::getMemoryForGV(const GlobalVariable* GV) {
}
void JIT::addPendingFunction(Function *F) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
jitstate->getPendingFunctions().push_back(F);
}

22
lib/ExecutionEngine/JIT/JITEmitter.cpp
View File

@ -40,7 +40,6 @@
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Memory.h"
#include "llvm/Support/MutexGuard.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetJITInfo.h"
@ -50,6 +49,7 @@
#ifndef NDEBUG
#include <iomanip>
#endif
#include <mutex>
using namespace llvm;
#define DEBUG_TYPE "jit"
@ -230,22 +230,22 @@ namespace {
std::map<void*, JITResolver*> Map;
/// Guards Map from concurrent accesses.
mutable sys::Mutex Lock;
mutable std::recursive_mutex Lock;
public:
/// Registers a Stub to be resolved by Resolver.
void RegisterStubResolver(void *Stub, JITResolver *Resolver) {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
Map.insert(std::make_pair(Stub, Resolver));
}
/// Unregisters the Stub when it's invalidated.
void UnregisterStubResolver(void *Stub) {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
Map.erase(Stub);
}
/// Returns the JITResolver instance that owns the Stub.
JITResolver *getResolverFromStub(void *Stub) const {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
// The address given to us for the stub may not be exactly right, it might
// be a little bit after the stub. As such, use upper_bound to find it.
// This is the same trick as in LookupFunctionFromCallSite from
@ -258,7 +258,7 @@ namespace {
/// True if any stubs refer to the given resolver. Only used in an assert().
/// O(N)
bool ResolverHasStubs(JITResolver* Resolver) const {
MutexGuard guard(Lock);
std::lock_guard<std::recursive_mutex> guard(Lock);
for (std::map<void*, JITResolver*>::const_iterator I = Map.begin(),
E = Map.end(); I != E; ++I) {
if (I->second == Resolver)
@ -494,7 +494,7 @@ JITResolver::~JITResolver() {
/// getLazyFunctionStubIfAvailable - This returns a pointer to a function stub
/// if it has already been created.
void *JITResolver::getLazyFunctionStubIfAvailable(Function *F) {
MutexGuard locked(TheJIT->lock);
std::lock_guard<std::recursive_mutex> guard(TheJIT->lock);
// If we already have a stub for this function, recycle it.
return state.getFunctionToLazyStubMap().lookup(F);
@ -503,7 +503,7 @@ void *JITResolver::getLazyFunctionStubIfAvailable(Function *F) {
/// getFunctionStub - This returns a pointer to a function stub, creating
/// one on demand as needed.
void *JITResolver::getLazyFunctionStub(Function *F) {
MutexGuard locked(TheJIT->lock);
std::lock_guard<std::recursive_mutex> guard(TheJIT->lock);
// If we already have a lazy stub for this function, recycle it.
void *&Stub = state.getFunctionToLazyStubMap()[F];
@ -564,7 +564,7 @@ void *JITResolver::getLazyFunctionStub(Function *F) {
/// getGlobalValueIndirectSym - Return a lazy pointer containing the specified
/// GV address.
void *JITResolver::getGlobalValueIndirectSym(GlobalValue *GV, void *GVAddress) {
MutexGuard locked(TheJIT->lock);
std::lock_guard<std::recursive_mutex> guard(TheJIT->lock);
// If we already have a stub for this global variable, recycle it.
void *&IndirectSym = state.getGlobalToIndirectSymMap()[GV];
@ -622,7 +622,7 @@ void *JITResolver::JITCompilerFn(void *Stub) {
// Only lock for getting the Function. The call getPointerToFunction made
// in this function might trigger function materializing, which requires
// JIT lock to be unlocked.
MutexGuard locked(JR->TheJIT->lock);
std::lock_guard<std::recursive_mutex> guard(JR->TheJIT->lock);
// The address given to us for the stub may not be exactly right, it might
// be a little bit after the stub. As such, use upper_bound to find it.
@ -654,7 +654,7 @@ void *JITResolver::JITCompilerFn(void *Stub) {
}
// Reacquire the lock to update the GOT map.
MutexGuard locked(JR->TheJIT->lock);
std::lock_guard<std::recursive_mutex> locked(JR->TheJIT->lock);
// We might like to remove the call site from the CallSiteToFunction map, but
// we can't do that! Multiple threads could be stuck, waiting to acquire the

37
lib/ExecutionEngine/MCJIT/MCJIT.cpp
View File

@ -26,7 +26,6 @@
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/MutexGuard.h"
#include "llvm/Target/TargetLowering.h"
using namespace llvm;
@ -66,7 +65,7 @@ MCJIT::MCJIT(Module *m, TargetMachine *tm, RTDyldMemoryManager *MM,
}
MCJIT::~MCJIT() {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// FIXME: We are managing our modules, so we do not want the base class
// ExecutionEngine to manage them as well. To avoid double destruction
// of the first (and only) module added in ExecutionEngine constructor
@ -102,12 +101,12 @@ MCJIT::~MCJIT() {
}
void MCJIT::addModule(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
OwnedModules.addModule(M);
}
bool MCJIT::removeModule(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
return OwnedModules.removeModule(M);
}
@ -129,12 +128,12 @@ void MCJIT::addArchive(object::Archive *A) {
void MCJIT::setObjectCache(ObjectCache* NewCache) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
ObjCache = NewCache;
}
ObjectBufferStream* MCJIT::emitObject(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// This must be a module which has already been added but not loaded to this
// MCJIT instance, since these conditions are tested by our caller,
@ -174,7 +173,7 @@ ObjectBufferStream* MCJIT::emitObject(Module *M) {
void MCJIT::generateCodeForModule(Module *M) {
// Get a thread lock to make sure we aren't trying to load multiple times
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// This must be a module which has already been added to this MCJIT instance.
assert(OwnedModules.ownsModule(M) &&
@ -214,7 +213,7 @@ void MCJIT::generateCodeForModule(Module *M) {
}
void MCJIT::finalizeLoadedModules() {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// Resolve any outstanding relocations.
Dyld.resolveRelocations();
@ -230,7 +229,7 @@ void MCJIT::finalizeLoadedModules() {
// FIXME: Rename this.
void MCJIT::finalizeObject() {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
for (ModulePtrSet::iterator I = OwnedModules.begin_added(),
E = OwnedModules.end_added();
@ -243,7 +242,7 @@ void MCJIT::finalizeObject() {
}
void MCJIT::finalizeModule(Module *M) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// This must be a module which has already been added to this MCJIT instance.
assert(OwnedModules.ownsModule(M) && "MCJIT::finalizeModule: Unknown module.");
@ -268,7 +267,7 @@ uint64_t MCJIT::getExistingSymbolAddress(const std::string &Name) {
Module *MCJIT::findModuleForSymbol(const std::string &Name,
bool CheckFunctionsOnly) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// If it hasn't already been generated, see if it's in one of our modules.
for (ModulePtrSet::iterator I = OwnedModules.begin_added(),
@ -292,7 +291,7 @@ Module *MCJIT::findModuleForSymbol(const std::string &Name,
uint64_t MCJIT::getSymbolAddress(const std::string &Name,
bool CheckFunctionsOnly)
{
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
// First, check to see if we already have this symbol.
uint64_t Addr = getExistingSymbolAddress(Name);
@ -336,7 +335,7 @@ uint64_t MCJIT::getSymbolAddress(const std::string &Name,
}
uint64_t MCJIT::getGlobalValueAddress(const std::string &Name) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
uint64_t Result = getSymbolAddress(Name, false);
if (Result != 0)
finalizeLoadedModules();
@ -344,7 +343,7 @@ uint64_t MCJIT::getGlobalValueAddress(const std::string &Name) {
}
uint64_t MCJIT::getFunctionAddress(const std::string &Name) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
uint64_t Result = getSymbolAddress(Name, true);
if (Result != 0)
finalizeLoadedModules();
@ -353,7 +352,7 @@ uint64_t MCJIT::getFunctionAddress(const std::string &Name) {
// Deprecated. Use getFunctionAddress instead.
void *MCJIT::getPointerToFunction(Function *F) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
if (F->isDeclaration() || F->hasAvailableExternallyLinkage()) {
bool AbortOnFailure = !F->hasExternalWeakLinkage();
@ -552,13 +551,13 @@ void *MCJIT::getPointerToNamedFunction(const std::string &Name,
void MCJIT::RegisterJITEventListener(JITEventListener *L) {
if (!L)
return;
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
EventListeners.push_back(L);
}
void MCJIT::UnregisterJITEventListener(JITEventListener *L) {
if (!L)
return;
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
SmallVector<JITEventListener*, 2>::reverse_iterator I=
std::find(EventListeners.rbegin(), EventListeners.rend(), L);
if (I != EventListeners.rend()) {
@ -567,14 +566,14 @@ void MCJIT::UnregisterJITEventListener(JITEventListener *L) {
}
}
void MCJIT::NotifyObjectEmitted(const ObjectImage& Obj) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
MemMgr.notifyObjectLoaded(this, &Obj);
for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
EventListeners[I]->NotifyObjectEmitted(Obj);
}
}
void MCJIT::NotifyFreeingObject(const ObjectImage& Obj) {
MutexGuard locked(lock);
std::lock_guard<std::recursive_mutex> locked(lock);
for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
EventListeners[I]->NotifyFreeingObject(Obj);
}

8
unittests/IR/ValueMapTest.cpp
View File

@ -186,19 +186,19 @@ struct LockMutex : ValueMapConfig<KeyT, MutexT> {
};
static void onRAUW(const ExtraData &Data, KeyT Old, KeyT New) {
*Data.CalledRAUW = true;
EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
EXPECT_FALSE(Data.M->try_lock()) << "Mutex should already be locked.";
}
static void onDelete(const ExtraData &Data, KeyT Old) {
*Data.CalledDeleted = true;
EXPECT_FALSE(Data.M->tryacquire()) << "Mutex should already be locked.";
EXPECT_FALSE(Data.M->try_lock()) << "Mutex should already be locked.";
}
static MutexT *getMutex(const ExtraData &Data) { return Data.M; }
};
#if LLVM_ENABLE_THREADS
TYPED_TEST(ValueMapTest, LocksMutex) {
sys::Mutex M(false); // Not recursive.
std::mutex M; // Not recursive.
bool CalledRAUW = false, CalledDeleted = false;
typedef LockMutex<TypeParam*, sys::Mutex> ConfigType;
typedef LockMutex<TypeParam*, std::mutex> ConfigType;
typename ConfigType::ExtraData Data = {&M, &CalledRAUW, &CalledDeleted};
ValueMap<TypeParam*, int, ConfigType> VM(Data);
VM[this->BitcastV.get()] = 7;