diff --git a/indra/llcommon/llerror.cpp b/indra/llcommon/llerror.cpp
index e6407ecf220b0df466bb3542a745df6c1ab415d8..2ddb3edbdd38e2020936a77d7b780c7cea65872e 100644
--- a/indra/llcommon/llerror.cpp
+++ b/indra/llcommon/llerror.cpp
@@ -1067,7 +1067,15 @@ namespace LLError
{
return false;
}
-
+
+ // If we hit a logging request very late during shutdown processing,
+ // when either of the relevant LLSingletons has already been deleted,
+ // DO NOT resurrect them.
+ if (Settings::wasDeleted() || Globals::wasDeleted())
+ {
+ return false;
+ }
+
SettingsConfigPtr s = Settings::getInstance()->getSettingsConfig();
s->mShouldLogCallCounter++;
@@ -1106,7 +1114,10 @@ namespace LLError
std::ostringstream* Log::out()
{
LogLock lock;
- if (lock.ok())
+ // If we hit a logging request very late during shutdown processing,
+ // when either of the relevant LLSingletons has already been deleted,
+ // DO NOT resurrect them.
+ if (lock.ok() && ! (Settings::wasDeleted() || Globals::wasDeleted()))
{
Globals* g = Globals::getInstance();
@@ -1116,41 +1127,49 @@ namespace LLError
return &g->messageStream;
}
}
-
+
return new std::ostringstream;
}
-
+
void Log::flush(std::ostringstream* out, char* message)
- {
- LogLock lock;
- if (!lock.ok())
- {
- return;
- }
-
- if(strlen(out->str().c_str()) < 128)
- {
- strcpy(message, out->str().c_str());
- }
- else
- {
- strncpy(message, out->str().c_str(), 127);
- message[127] = '\0' ;
- }
-
- Globals* g = Globals::getInstance();
- if (out == &g->messageStream)
- {
- g->messageStream.clear();
- g->messageStream.str("");
- g->messageStreamInUse = false;
- }
- else
- {
- delete out;
- }
- return ;
- }
+ {
+ LogLock lock;
+ if (!lock.ok())
+ {
+ return;
+ }
+
+ // If we hit a logging request very late during shutdown processing,
+ // when either of the relevant LLSingletons has already been deleted,
+ // DO NOT resurrect them.
+ if (Settings::wasDeleted() || Globals::wasDeleted())
+ {
+ return;
+ }
+
+ if(strlen(out->str().c_str()) < 128)
+ {
+ strcpy(message, out->str().c_str());
+ }
+ else
+ {
+ strncpy(message, out->str().c_str(), 127);
+ message[127] = '\0' ;
+ }
+
+ Globals* g = Globals::getInstance();
+ if (out == &g->messageStream)
+ {
+ g->messageStream.clear();
+ g->messageStream.str("");
+ g->messageStreamInUse = false;
+ }
+ else
+ {
+ delete out;
+ }
+ return ;
+ }
void Log::flush(std::ostringstream* out, const CallSite& site)
{
@@ -1159,7 +1178,15 @@ namespace LLError
{
return;
}
-
+
+ // If we hit a logging request very late during shutdown processing,
+ // when either of the relevant LLSingletons has already been deleted,
+ // DO NOT resurrect them.
+ if (Settings::wasDeleted() || Globals::wasDeleted())
+ {
+ return;
+ }
+
Globals* g = Globals::getInstance();
SettingsConfigPtr s = Settings::getInstance()->getSettingsConfig();
diff --git a/indra/llcommon/llevents.cpp b/indra/llcommon/llevents.cpp
index 97270e4931d7cfc7a0b7196173abffd94a62c728..a3856e4fc46b71f6c62a3a4e6bd3e8a057996bdd 100644
--- a/indra/llcommon/llevents.cpp
+++ b/indra/llcommon/llevents.cpp
@@ -281,7 +281,8 @@ const std::string LLEventPump::ANONYMOUS = std::string();
LLEventPump::LLEventPump(const std::string& name, bool tweak):
// Register every new instance with LLEventPumps
- mName(LLEventPumps::instance().registerNew(*this, name, tweak)),
+ mRegistry(LLEventPumps::instance().getHandle()),
+ mName(mRegistry.get()->registerNew(*this, name, tweak)),
mSignal(new LLStandardSignal()),
mEnabled(true)
{}
@@ -292,8 +293,13 @@ LLEventPump::LLEventPump(const std::string& name, bool tweak):
LLEventPump::~LLEventPump()
{
- // Unregister this doomed instance from LLEventPumps
- LLEventPumps::instance().unregister(*this);
+ // Unregister this doomed instance from LLEventPumps -- but only if
+ // LLEventPumps is still around!
+ LLEventPumps* registry = mRegistry.get();
+ if (registry)
+ {
+ registry->unregister(*this);
+ }
}
// static data member
diff --git a/indra/llcommon/llevents.h b/indra/llcommon/llevents.h
index 7cff7dfd4537b99d99c0a83f6753c941375b7000..1d51c660ed0d7990c63a4f93c875b2e61597a7f8 100644
--- a/indra/llcommon/llevents.h
+++ b/indra/llcommon/llevents.h
@@ -62,6 +62,7 @@
#include "lldependencies.h"
#include "llstl.h"
#include "llexception.h"
+#include "llhandle.h"
/*==========================================================================*|
// override this to allow binding free functions with more parameters
@@ -227,7 +228,15 @@ class LLEventPump;
* LLEventPumps is a Singleton manager through which one typically accesses
* this subsystem.
*/
-class LL_COMMON_API LLEventPumps: public LLSingleton<LLEventPumps>
+// LLEventPumps isa LLHandleProvider only for (hopefully rare) long-lived
+// class objects that must refer to this class late in their lifespan, say in
+// the destructor. Specifically, the case that matters is a possible reference
+// after LLEventPumps::deleteSingleton(). (Lingering LLEventPump instances are
+// capable of this.) In that case, instead of calling LLEventPumps::instance()
+// again -- resurrecting the deleted LLSingleton -- store an
+// LLHandle<LLEventPumps> and test it before use.
+class LL_COMMON_API LLEventPumps: public LLSingleton<LLEventPumps>,
+ public LLHandleProvider<LLEventPumps>
{
LLSINGLETON(LLEventPumps);
public:
@@ -590,6 +599,9 @@ class LL_COMMON_API LLEventPump: public LLEventTrackable
return this->listen_impl(name, listener, after, before);
}
+ // must precede mName; see LLEventPump::LLEventPump()
+ LLHandle<LLEventPumps> mRegistry;
+
std::string mName;
protected:
@@ -817,14 +829,14 @@ class LL_COMMON_API LLListenerWrapperBase
mConnection(new LLBoundListener)
{
}
-
+
/// Copy constructor. Copy shared_ptrs to original instance data.
LLListenerWrapperBase(const LLListenerWrapperBase& that):
mName(that.mName),
mConnection(that.mConnection)
{
}
- virtual ~LLListenerWrapperBase() {}
+ virtual ~LLListenerWrapperBase() {}
/// Ask LLEventPump::listen() for the listener name
virtual void accept_name(const std::string& name) const
diff --git a/indra/llcommon/llhandle.h b/indra/llcommon/llhandle.h
index feb5f418489e5b401eff95591ba4dd0fc31dbd66..570cd330b87ff228e33f938da79ef184c1a41f32 100644
--- a/indra/llcommon/llhandle.h
+++ b/indra/llcommon/llhandle.h
@@ -28,6 +28,7 @@
#define LLHANDLE_H
#include "llpointer.h"
+#include "llrefcount.h"
#include "llexception.h"
#include <stdexcept>
#include <boost/type_traits/is_convertible.hpp>
diff --git a/indra/llcommon/llsingleton.h b/indra/llcommon/llsingleton.h
index 1b915dfd6e96d927fd520ba58415c52387295049..0d4a1f34f8726d511716d52e10fcb05130a43f75 100644
--- a/indra/llcommon/llsingleton.h
+++ b/indra/llcommon/llsingleton.h
@@ -452,6 +452,14 @@ class LLSingleton : public LLSingletonBase
return sData.mInitState == INITIALIZED;
}
+ // Has this singleton been deleted? This can be useful during shutdown
+ // processing to avoid "resurrecting" a singleton we thought we'd already
+ // cleaned up.
+ static bool wasDeleted()
+ {
+ return sData.mInitState == DELETED;
+ }
+
private:
struct SingletonData
{
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index b58af54985c59e88543535eee36a05eba0d0a58c..616e0841199b220835baafa3933358ff21d24eea 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -738,10 +738,7 @@ LLAppViewer::LLAppViewer()
LLAppViewer::~LLAppViewer()
{
delete mSettingsLocationList;
- LLViewerEventRecorder::deleteSingleton();
- LLLoginInstance::instance().setUpdaterService(0);
-
destroyMainloopTimeout();
// If we got to this destructor somehow, the app didn't hang.
@@ -2110,6 +2107,10 @@ bool LLAppViewer::cleanup()
// realtime, or might throw an exception.
LLSingletonBase::cleanupAll();
+ // The logging subsystem depends on an LLSingleton. Any logging after
+ // LLSingletonBase::deleteAll() won't be recorded.
+ LL_INFOS() << "Goodbye!" << LL_ENDL;
+
// This calls every remaining LLSingleton's deleteSingleton() method.
// No class destructor should perform any cleanup that might take
// significant realtime, or throw an exception.
@@ -2122,8 +2123,6 @@ bool LLAppViewer::cleanup()
// probably useful to be able to log that order.
LLSingletonBase::deleteAll();
- LL_INFOS() << "Goodbye!" << LL_ENDL;
-
removeDumpDir();
// return 0;
diff --git a/indra/viewer_components/updater/llupdaterservice.cpp b/indra/viewer_components/updater/llupdaterservice.cpp
index 1665e41e7029546e6b4281807adb6a8d9ad7d731..df021948c347668c948ab9fce08daf8ff386fa11 100644
--- a/indra/viewer_components/updater/llupdaterservice.cpp
+++ b/indra/viewer_components/updater/llupdaterservice.cpp
@@ -158,7 +158,8 @@ class LLUpdaterServiceImpl :
private:
std::string mNewChannel;
std::string mNewVersion;
-
+ LLTempBoundListener mMainLoopConnection;
+
void restartTimer(unsigned int seconds);
void setState(LLUpdaterService::eUpdaterState state);
void stopTimer();
@@ -179,7 +180,8 @@ LLUpdaterServiceImpl::LLUpdaterServiceImpl() :
LLUpdaterServiceImpl::~LLUpdaterServiceImpl()
{
LL_INFOS("UpdaterService") << "shutting down updater service" << LL_ENDL;
- LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName);
+ // Destroying an LLTempBoundListener implicitly disconnects. That's its
+ // whole purpose.
}
void LLUpdaterServiceImpl::initialize(const std::string& channel,
@@ -560,7 +562,7 @@ void LLUpdaterServiceImpl::restartTimer(unsigned int seconds)
seconds << " seconds" << LL_ENDL;
mTimer.start();
mTimer.setTimerExpirySec((F32)seconds);
- LLEventPumps::instance().obtain("mainloop").listen(
+ mMainLoopConnection = LLEventPumps::instance().obtain("mainloop").listen(
sListenerName, boost::bind(&LLUpdaterServiceImpl::onMainLoop, this, _1));
}
@@ -589,7 +591,7 @@ void LLUpdaterServiceImpl::setState(LLUpdaterService::eUpdaterState state)
void LLUpdaterServiceImpl::stopTimer()
{
mTimer.stop();
- LLEventPumps::instance().obtain("mainloop").stopListening(sListenerName);
+ mMainLoopConnection.disconnect();
}
bool LLUpdaterServiceImpl::onMainLoop(LLSD const & event)