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Guard the statistics table.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73916 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2009-06-22 23:08:27 +00:00
parent 521db56182
commit 5de83afcdc
1 changed files with 3 additions and 1 deletions
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4
lib/Support/Statistic.cpp
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@@ -25,6 +25,7 @@
#include "llvm/Support/CommandLine.h" #include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h" #include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Streams.h" #include "llvm/Support/Streams.h"
#include "llvm/System/Mutex.h"
#include "llvm/ADT/StringExtras.h" #include "llvm/ADT/StringExtras.h"
#include <algorithm> #include <algorithm>
#include <ostream> #include <ostream>
@@ -57,13 +58,14 @@ public:
} }
static ManagedStatic<StatisticInfo> StatInfo; static ManagedStatic<StatisticInfo> StatInfo;
static ManagedStatic<sys::Mutex> 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);
if (Enabled) if (Enabled)
StatInfo->addStatistic(this); StatInfo->addStatistic(this);
// Remember we have been registered. // Remember we have been registered.