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Avoid using mutex locks if not in multithreaded mode by using a SmartScopedMutex

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in RegisterStatistic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82896 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin 2009-09-27 11:08:03 +00:00
parent e298ab26b1
commit d7830d595d
1 changed files with 2 additions and 2 deletions
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4
lib/Support/Statistic.cpp
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@ -57,14 +57,14 @@ public:
} }
static ManagedStatic<StatisticInfo> StatInfo; static ManagedStatic<StatisticInfo> StatInfo;
static ManagedStatic<sys::Mutex> StatLock; static ManagedStatic<sys::SmartMutex<true> > StatLock;
/// RegisterStatistic - The first time a statistic is bumped, this method is /// RegisterStatistic - The first time a statistic is bumped, this method is
/// called. /// called.
void Statistic::RegisterStatistic() { void Statistic::RegisterStatistic() {
// If stats are enabled, inform StatInfo that this statistic should be // If stats are enabled, inform StatInfo that this statistic should be
// printed. // printed.
sys::ScopedLock Writer(*StatLock); sys::SmartScopedLock<true> Writer(*StatLock);
if (!Initialized) { if (!Initialized) {
if (Enabled) if (Enabled)
StatInfo->addStatistic(this); StatInfo->addStatistic(this);