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-rw-r--r--indra/llcommon/llerror.cpp128
1 files changed, 61 insertions, 67 deletions
diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp
index 335a0995fe..d98229fb0a 100644
--- a/indra/llcommon/llerror.cpp
+++ b/indra/llcommon/llerror.cpp
@@ -25,6 +25,7 @@
* $/LicenseInfo$
*/
+#define _LLERROR_CPP_
#include "linden_common.h"
#include "llerror.h"
@@ -181,32 +182,35 @@ namespace {
return LLError::getEnabledLogTypesMask() & 0x04;
}
+ LL_FORCE_INLINE std::string createANSI(const std::string& color)
+ {
+ std::string ansi_code;
+ ansi_code += '\033';
+ ansi_code += "[";
+ ansi_code += color;
+ ansi_code += "m";
+ return ansi_code;
+ }
+
virtual void recordMessage(LLError::ELevel level,
const std::string& message) override
- {
- if (ANSI_PROBE == mUseANSI)
- mUseANSI = (checkANSI() ? ANSI_YES : ANSI_NO);
+ {
+ static std::string s_ansi_error = createANSI("31"); // red
+ static std::string s_ansi_warn = createANSI("34"); // blue
+ static std::string s_ansi_debug = createANSI("35"); // magenta
+
+ mUseANSI = (ANSI_PROBE == mUseANSI) ? (checkANSI() ? ANSI_YES : ANSI_NO) : mUseANSI;
if (ANSI_YES == mUseANSI)
{
- // Default all message levels to bold so we can distinguish our own messages from those dumped by subprocesses and libraries.
- colorANSI("1"); // bold
- switch (level) {
- case LLError::LEVEL_ERROR:
- colorANSI("31"); // red
- break;
- case LLError::LEVEL_WARN:
- colorANSI("34"); // blue
- break;
- case LLError::LEVEL_DEBUG:
- colorANSI("35"); // magenta
- break;
- default:
- break;
- }
+ writeANSI((level == LLError::LEVEL_ERROR) ? s_ansi_error :
+ (level == LLError::LEVEL_WARN) ? s_ansi_warn :
+ s_ansi_debug, message);
}
- fprintf(stderr, "%s\n", message.c_str());
- if (ANSI_YES == mUseANSI) colorANSI("0"); // reset
+ else
+ {
+ fprintf(stderr, "%s\n", message.c_str());
+ }
}
private:
@@ -217,11 +221,14 @@ namespace {
ANSI_NO
} mUseANSI;
- void colorANSI(const std::string color)
+ LL_FORCE_INLINE void writeANSI(const std::string& ansi_code, const std::string& message)
{
- // ANSI color code escape sequence
- fprintf(stderr, "\033[%sm", color.c_str() );
- };
+ static std::string s_ansi_bold = createANSI("1"); // bold
+ static std::string s_ansi_reset = createANSI("0"); // reset
+ // ANSI color code escape sequence, message, and reset in one fprintf call
+ // Default all message levels to bold so we can distinguish our own messages from those dumped by subprocesses and libraries.
+ fprintf(stderr, "%s%s%s\n%s", s_ansi_bold.c_str(), ansi_code.c_str(), message.c_str(), s_ansi_reset.c_str() );
+ }
bool checkANSI(void)
{
@@ -232,8 +239,8 @@ namespace {
return (0 != isatty(2)) &&
(NULL == getenv("LL_NO_ANSI_COLOR"));
#endif // LL_LINUX
- return false;
- };
+ return FALSE; // works in a cygwin shell... ;)
+ }
};
class RecordToFixedBuffer : public LLError::Recorder
@@ -482,7 +489,7 @@ namespace LLError
LevelMap mTagLevelMap;
std::map<std::string, unsigned int> mUniqueLogMessages;
- LLError::FatalFunction mCrashFunction;
+ LLError::FatalHook mFatalHook;
LLError::TimeFunction mTimeFunction;
Recorders mRecorders;
@@ -522,7 +529,7 @@ namespace LLError
mFileLevelMap(),
mTagLevelMap(),
mUniqueLogMessages(),
- mCrashFunction(NULL),
+ mFatalHook(NULL),
mTimeFunction(NULL),
mRecorders(),
mFileRecorder(),
@@ -683,7 +690,6 @@ namespace
LLError::setDefaultLevel(LLError::LEVEL_INFO);
LLError::setAlwaysFlush(true);
LLError::setEnabledLogTypesMask(0xFFFFFFFF);
- LLError::setFatalFunction(LLError::crashAndLoop);
LLError::setTimeFunction(LLError::utcTime);
// log_to_stderr is only false in the unit and integration tests to keep builds quieter
@@ -719,16 +725,20 @@ namespace LLError
commonInit(user_dir, app_dir, log_to_stderr);
}
- void setFatalFunction(const FatalFunction& f)
+ void setFatalHook(const FatalHook& fatal_hook)
{
SettingsConfigPtr s = Settings::getInstance()->getSettingsConfig();
- s->mCrashFunction = f;
- }
-
- FatalFunction getFatalFunction()
+ LL_DEBUGS("FatalHook") << "set fatal hook to " << (fatal_hook ? "non-null" : "null")
+ << " was " << (s->mFatalHook ? "non-null" : "null")
+ << LL_ENDL;
+ s->mFatalHook = fatal_hook;
+ }
+
+ FatalHook getFatalHook()
{
SettingsConfigPtr s = Settings::getInstance()->getSettingsConfig();
- return s->mCrashFunction;
+ LL_DEBUGS("FatalHook") << "read fatal hook was " << (s->mFatalHook ? "non-null" : "null") << LL_ENDL;
+ return s->mFatalHook;
}
std::string getFatalMessage()
@@ -1306,12 +1316,12 @@ namespace LLError
return ;
}
- void Log::flush(std::ostringstream* out, const CallSite& site)
+ ErrFatalHookResult Log::flush(std::ostringstream* out, const CallSite& site)
{
LLMutexTrylock lock(&gLogMutex,5);
if (!lock.isLocked())
{
- return;
+ return ERR_DO_NOT_CRASH; // because this wasn't logged, it cannot be fatal
}
// If we hit a logging request very late during shutdown processing,
@@ -1319,7 +1329,7 @@ namespace LLError
// DO NOT resurrect them.
if (Settings::wasDeleted() || Globals::wasDeleted())
{
- return;
+ return ERR_DO_NOT_CRASH; // because this wasn't logged, it cannot be fatal
}
Globals* g = Globals::getInstance();
@@ -1353,7 +1363,7 @@ namespace LLError
}
else
{
- return;
+ return ERR_DO_NOT_CRASH; // because this wasn't logged, it cannot be fatal
}
}
else
@@ -1369,12 +1379,19 @@ namespace LLError
if (site.mLevel == LEVEL_ERROR)
{
- g->mFatalMessage = message;
- if (s->mCrashFunction)
- {
- s->mCrashFunction(message);
- }
+ if (s->mFatalHook)
+ {
+ return s->mFatalHook(message);
+ }
+ else
+ {
+ return ERR_CRASH; // calling macro should crash
+ }
}
+ else
+ {
+ return ERR_DO_NOT_CRASH; // not ERROR, so do not crash
+ }
}
}
@@ -1437,29 +1454,6 @@ namespace LLError
return s->mShouldLogCallCounter;
}
-#if LL_WINDOWS
- // VC80 was optimizing the error away.
- #pragma optimize("", off)
-#endif
- void crashAndLoop(const std::string& message)
- {
- // Now, we go kaboom!
- int* make_me_crash = NULL;
-
- *make_me_crash = 0;
-
- while(true)
- {
- // Loop forever, in case the crash didn't work?
- }
-
- // this is an attempt to let Coverity and other semantic scanners know that this function won't be returning ever.
- exit(EXIT_FAILURE);
- }
-#if LL_WINDOWS
- #pragma optimize("", on)
-#endif
-
std::string utcTime()
{
time_t now = time(NULL);