#define LLVM_SUPPORT_MUTEX_H
#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Threading.h"
#include <cassert>
namespace llvm
{
- // Forward declare.
- bool llvm_is_multithreaded();
-
namespace sys
{
/// @brief Platform agnostic Mutex class.
/// indicates whether this mutex should become a no-op when we're not
/// running in multithreaded mode.
template<bool mt_only>
- class SmartMutex : public MutexImpl {
+ class SmartMutex {
+ MutexImpl impl;
unsigned acquired;
bool recursive;
public:
explicit SmartMutex(bool rec = true) :
- MutexImpl(rec), acquired(0), recursive(rec) { }
+ impl(rec), acquired(0), recursive(rec) { }
- bool acquire() {
+ bool lock() {
if (!mt_only || llvm_is_multithreaded()) {
- return MutexImpl::acquire();
+ return impl.acquire();
} else {
// Single-threaded debugging code. This would be racy in
// multithreaded mode, but provides not sanity checks in single
}
}
- bool release() {
+ bool unlock() {
if (!mt_only || llvm_is_multithreaded()) {
- return MutexImpl::release();
+ return impl.release();
} else {
// Single-threaded debugging code. This would be racy in
// multithreaded mode, but provides not sanity checks in single
}
}
- bool tryacquire() {
+ bool try_lock() {
if (!mt_only || llvm_is_multithreaded())
- return MutexImpl::tryacquire();
+ return impl.tryacquire();
else return true;
}
public:
SmartScopedLock(SmartMutex<mt_only>& m) : mtx(m) {
- mtx.acquire();
+ mtx.lock();
}
~SmartScopedLock() {
- mtx.release();
+ mtx.unlock();
}
};