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| author | Andrey Lihatskiy <alihatskiy@productengine.com> | 2022-05-27 02:53:34 +0300 |
|---|---|---|
| committer | Andrey Lihatskiy <alihatskiy@productengine.com> | 2022-05-27 02:53:34 +0300 |
| commit | b2ef95522f07301cfddbdace1042e60d52fde436 (patch) | |
| tree | c51119f79b734a7d503bb3adeac1759b819c8f92 /indra/llcommon/llrefcount.h | |
| parent | 43a338c6270f9a000052465d09d4ad999524af0b (diff) | |
| parent | 3da7a50b71d4ef5919c2d4d5b9547b3ef0abab7d (diff) | |
Merge branch 'DRTVWR-543-maint' into DRTVWR-543-maint_cmake
Diffstat (limited to 'indra/llcommon/llrefcount.h')
| -rw-r--r-- | indra/llcommon/llrefcount.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/indra/llcommon/llrefcount.h b/indra/llcommon/llrefcount.h index 7e4af6ea66..2080da1565 100644 --- a/indra/llcommon/llrefcount.h +++ b/indra/llcommon/llrefcount.h @@ -37,6 +37,10 @@ class LLMutex; // see llthread.h for LLThreadSafeRefCount //---------------------------------------------------------------------------- +//nonsense but recognizable value for freed LLRefCount (aids in debugging) +#define LL_REFCOUNT_FREE 1234567890 +extern const S32 gMaxRefCount; + class LL_COMMON_API LLRefCount { protected: @@ -47,17 +51,25 @@ protected: public: LLRefCount(); + inline void validateRefCount() const + { + llassert(mRef > 0); // ref count below 0, likely corrupted + llassert(mRef < gMaxRefCount); // ref count excessive, likely memory leak + } + inline void ref() const { mRef++; + validateRefCount(); } inline S32 unref() const { - llassert(mRef >= 1); + validateRefCount(); if (0 == --mRef) { - delete this; + mRef = LL_REFCOUNT_FREE; // set to nonsense yet recognizable value to aid in debugging + delete this; return 0; } return mRef; |