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Simplify the SmartMutex implementation a bit.

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llvm-svn: 73711
This commit is contained in:
Owen Anderson 2009-06-18 18:29:03 +00:00
parent 4760da0a7a
commit a1d2310ac7
1 changed files with 9 additions and 10 deletions
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19
include/llvm/System/Mutex.h
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@ -86,31 +86,30 @@ namespace llvm
/// indicates whether this mutex should become a no-op when we're not
/// running in multithreaded mode.
template<bool mt_only>
class SmartMutex {
MutexImpl mtx;
class SmartMutex : public MutexImpl {
public:
explicit SmartMutex(bool recursive = true) : mtx(recursive) { }
explicit SmartMutex(bool recursive = true) : MutexImpl(recursive) { }
bool acquire() {
if (!mt_only || (mt_only && llvm_is_multithreaded()))
return mtx.acquire();
if (!mt_only && llvm_is_multithreaded())
return MutexImpl::acquire();
return true;
}
bool release() {
if (!mt_only || (mt_only && llvm_is_multithreaded()))
return mtx.release();
if (!mt_only || llvm_is_multithreaded())
return MutexImpl::release();
return true;
}
bool tryacquire() {
if (!mt_only || (mt_only && llvm_is_multithreaded()))
return mtx.tryacquire();
if (!mt_only || llvm_is_multithreaded())
return MutexImpl::tryacquire();
return true;
}
private:
SmartMutex<mt_only>(const SmartMutex<mt_only> & original);
SmartMutex(const SmartMutex<mt_only> & original);
void operator=(const SmartMutex<mt_only> &);
};