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-rw-r--r--indra/llcommon/llrefcount.cpp110
1 files changed, 110 insertions, 0 deletions
diff --git a/indra/llcommon/llrefcount.cpp b/indra/llcommon/llrefcount.cpp
index 55d0c85cbd..e1876599fc 100644
--- a/indra/llcommon/llrefcount.cpp
+++ b/indra/llcommon/llrefcount.cpp
@@ -29,9 +29,25 @@
#include "llerror.h"
+#if LL_REF_COUNT_DEBUG
+#include "llthread.h"
+#include "llapr.h"
+#endif
+
LLRefCount::LLRefCount(const LLRefCount& other)
: mRef(0)
{
+#if LL_REF_COUNT_DEBUG
+ if(gAPRPoolp)
+ {
+ mMutexp = new LLMutex(gAPRPoolp) ;
+ }
+ else
+ {
+ mMutexp = NULL ;
+ }
+ mCrashAtUnlock = FALSE ;
+#endif
}
LLRefCount& LLRefCount::operator=(const LLRefCount&)
@@ -43,6 +59,17 @@ LLRefCount& LLRefCount::operator=(const LLRefCount&)
LLRefCount::LLRefCount() :
mRef(0)
{
+#if LL_REF_COUNT_DEBUG
+ if(gAPRPoolp)
+ {
+ mMutexp = new LLMutex(gAPRPoolp) ;
+ }
+ else
+ {
+ mMutexp = NULL ;
+ }
+ mCrashAtUnlock = FALSE ;
+#endif
}
LLRefCount::~LLRefCount()
@@ -51,4 +78,87 @@ LLRefCount::~LLRefCount()
{
llerrs << "deleting non-zero reference" << llendl;
}
+
+#if LL_REF_COUNT_DEBUG
+ if(gAPRPoolp)
+ {
+ delete mMutexp ;
+ }
+#endif
}
+
+#if LL_REF_COUNT_DEBUG
+void LLRefCount::ref() const
+{
+ if(mMutexp)
+ {
+ if(mMutexp->isLocked())
+ {
+ mCrashAtUnlock = TRUE ;
+ llerrs << "the mutex is locked by the thread: " << mLockedThreadID
+ << " Current thread: " << LLThread::currentID() << llendl ;
+ }
+
+ mMutexp->lock() ;
+ mLockedThreadID = LLThread::currentID() ;
+
+ mRef++;
+
+ if(mCrashAtUnlock)
+ {
+ while(1); //crash here.
+ }
+ mMutexp->unlock() ;
+ }
+ else
+ {
+ mRef++;
+ }
+}
+
+S32 LLRefCount::unref() const
+{
+ if(mMutexp)
+ {
+ if(mMutexp->isLocked())
+ {
+ mCrashAtUnlock = TRUE ;
+ llerrs << "the mutex is locked by the thread: " << mLockedThreadID
+ << " Current thread: " << LLThread::currentID() << llendl ;
+ }
+
+ mMutexp->lock() ;
+ mLockedThreadID = LLThread::currentID() ;
+
+ llassert(mRef >= 1);
+ if (0 == --mRef)
+ {
+ if(mCrashAtUnlock)
+ {
+ while(1); //crash here.
+ }
+ mMutexp->unlock() ;
+
+ delete this;
+ return 0;
+ }
+
+ if(mCrashAtUnlock)
+ {
+ while(1); //crash here.
+ }
+ mMutexp->unlock() ;
+ return mRef;
+ }
+ else
+ {
+ llassert(mRef >= 1);
+ if (0 == --mRef)
+ {
+ delete this;
+ return 0;
+ }
+ return mRef;
+ }
+}
+#endif