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

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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
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@ -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