diff options
Diffstat (limited to 'indra/llcommon/llerror.h')
| -rw-r--r-- | indra/llcommon/llerror.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/indra/llcommon/llerror.h b/indra/llcommon/llerror.h index 020f05e8f5..f229b4964a 100644 --- a/indra/llcommon/llerror.h +++ b/indra/llcommon/llerror.h @@ -82,9 +82,11 @@ const int LL_ERR_NOERR = 0; #ifdef SHOW_ASSERT #define llassert(func) llassert_always_msg(func, #func) +#define llassert_msg(func, msg) llassert_always_msg(func, msg) #define llverify(func) llassert_always_msg(func, #func) #else #define llassert(func) +#define llassert_msg(func, msg) #define llverify(func) do {if (func) {}} while(0) #endif @@ -464,7 +466,29 @@ typedef LLError::NoClassInfo _LL_CLASS_TO_LOG; LLError::CallSite& _site(_sites[which]); \ lllog_test_() -// Check at run-time whether logging is enabled, without generating output +/* +// Check at run-time whether logging is enabled, without generating output. +Resist the temptation to add a function like this because it incurs the +expense of locking and map-searching every time control reaches it. bool debugLoggingEnabled(const std::string& tag); +Instead of: + +if debugLoggingEnabled("SomeTag") +{ + // ... presumably expensive operation ... + LL_DEBUGS("SomeTag") << ... << LL_ENDL; +} + +Use this: + +LL_DEBUGS("SomeTag"); +// ... presumably expensive operation ... +LL_CONT << ...; +LL_ENDL; + +LL_DEBUGS("SomeTag") performs the locking and map-searching ONCE, then caches +the result in a static variable. +*/ + #endif // LL_LLERROR_H |