From 91e18f7639c61ca40efe39efbfcba825570a824e Mon Sep 17 00:00:00 2001
From: Zachary Turner <zturner@google.com>
Date: Fri, 20 Jun 2014 21:07:14 +0000
Subject: Revert "Replace Execution Engine's mutex with std::recursive_mutex."

This reverts commit 1f502bd9d7d2c1f98ad93a09ffe435e11a95aedd, due to
GCC / MinGW's lack of support for C++11 threading.

It's possible this will go back in after we come up with a
reasonable solution.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211401 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/ExecutionEngine/ExecutionEngine.cpp | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

(limited to 'lib/ExecutionEngine/ExecutionEngine.cpp')

diff --git a/lib/ExecutionEngine/ExecutionEngine.cpp b/lib/ExecutionEngine/ExecutionEngine.cpp
index 553ceb4575..9154fe2f5f 100644
--- a/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -166,7 +166,7 @@ void *ExecutionEngineState::RemoveMapping(const GlobalValue *ToUnmap) {
 }
 
 void ExecutionEngine::addGlobalMapping(const GlobalValue *GV, void *Addr) {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard 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() {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard locked(lock);
 
   EEState.getGlobalAddressMap().clear();
   EEState.getGlobalAddressReverseMap().clear();
 }
 
 void ExecutionEngine::clearGlobalMappingsFromModule(Module *M) {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard 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) {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard 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) {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard 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) {
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard 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);
 
-  std::lock_guard<std::recursive_mutex> locked(lock);
+  MutexGuard locked(lock);
   if (void *P = EEState.getGlobalAddressMap()[GV])
     return P;
 
@@ -1346,7 +1346,7 @@ ExecutionEngineState::ExecutionEngineState(ExecutionEngine &EE)
   : EE(EE), GlobalAddressMap(this) {
 }
 
-std::recursive_mutex *
+sys::Mutex *
 ExecutionEngineState::AddressMapConfig::getMutex(ExecutionEngineState *EES) {
   return &EES->EE.lock;
 }
-- 
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