From c69855f2333f9fb094e235b84d275d43fdeda3c3 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Mon, 1 Oct 2012 16:26:12 -0500 Subject: Only enable breakpad error handing if crash reporting is enabled --- indra/llcommon/llapp.cpp | 3 ++- indra/llcommon/llqueuedthread.cpp | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'indra/llcommon') diff --git a/indra/llcommon/llapp.cpp b/indra/llcommon/llapp.cpp index ed192a9975..ca258900c7 100644 --- a/indra/llcommon/llapp.cpp +++ b/indra/llcommon/llapp.cpp @@ -289,6 +289,7 @@ void LLApp::setupErrorHandling() // occasionally checks to see if the app is in an error state, and sees if it needs to be run. #if LL_WINDOWS +#if LL_SEND_CRASH_REPORTS // This sets a callback to handle w32 signals to the console window. // The viewer shouldn't be affected, sicne its a windowed app. SetConsoleCtrlHandler( (PHANDLER_ROUTINE) ConsoleCtrlHandler, TRUE); @@ -300,7 +301,7 @@ void LLApp::setupErrorHandling() mExceptionHandler = new google_breakpad::ExceptionHandler( L"C:\\Temp\\", 0, windows_post_minidump_callback, 0, google_breakpad::ExceptionHandler::HANDLER_ALL); } - +#endif #else // // Start up signal handling. diff --git a/indra/llcommon/llqueuedthread.cpp b/indra/llcommon/llqueuedthread.cpp index 1738c16dea..abf47a0f57 100644 --- a/indra/llcommon/llqueuedthread.cpp +++ b/indra/llcommon/llqueuedthread.cpp @@ -134,8 +134,8 @@ S32 LLQueuedThread::updateQueue(F32 max_time_ms) pending = getPending(); if(pending > 0) { - unpause(); - } + unpause(); + } } else { -- cgit v1.2.3 From 05dbd7dafe0e060e82aeedb5404101367bd4c622 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Tue, 2 Oct 2012 16:06:14 -0500 Subject: Instrument debug builds on windows to help track down source of heap corruption --- indra/llcommon/llmemory.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'indra/llcommon') diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h index f37e8459ff..fd3b9d342a 100644 --- a/indra/llcommon/llmemory.h +++ b/indra/llcommon/llmemory.h @@ -27,6 +27,13 @@ #define LLMEMORY_H #include "llmemtype.h" + +#if LL_WINDOWS && LL_DEBUG +#define LL_CHECK_MEMORY llassert(_CrtCheckMemory()); +#else +#define LL_CHECK_MEMORY +#endif + inline void* ll_aligned_malloc( size_t size, int align ) { void* mem = malloc( size + (align - 1) + sizeof(void*) ); -- cgit v1.2.3 From 374f20edf09ff8194c715d190c114eaacac00bfe Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 3 Oct 2012 14:30:21 -0500 Subject: Fix non-thread-safe refcounting of LLHTTPClient::Responder and fix out-of-order deletion of LLTextureFetch on shutdown --- indra/llcommon/llthread.cpp | 35 +++++++++++++++++++++++++++-------- indra/llcommon/llthread.h | 30 +++++++++++++++++++++--------- 2 files changed, 48 insertions(+), 17 deletions(-) (limited to 'indra/llcommon') diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp index a6ad6b125c..c2fbb544a8 100644 --- a/indra/llcommon/llthread.cpp +++ b/indra/llcommon/llthread.cpp @@ -114,7 +114,7 @@ LLThread::LLThread(const std::string& name, apr_pool_t *poolp) : apr_pool_create(&mAPRPoolp, NULL); // Create a subpool for this thread } mRunCondition = new LLCondition(mAPRPoolp); - + mDataLock = new LLMutex(mAPRPoolp); mLocalAPRFilePoolp = NULL ; } @@ -173,7 +173,10 @@ void LLThread::shutdown() } delete mRunCondition; - mRunCondition = 0; + mRunCondition = NULL; + + delete mDataLock; + mDataLock = NULL; if (mIsLocalPool && mAPRPoolp) { @@ -242,28 +245,30 @@ bool LLThread::runCondition(void) // Stop thread execution if requested until unpaused. void LLThread::checkPause() { - mRunCondition->lock(); + mDataLock->lock(); // This is in a while loop because the pthread API allows for spurious wakeups. while(shouldSleep()) { + mDataLock->unlock(); mRunCondition->wait(); // unlocks mRunCondition + mDataLock->lock(); // mRunCondition is locked when the thread wakes up } - mRunCondition->unlock(); + mDataLock->unlock(); } //============================================================================ void LLThread::setQuitting() { - mRunCondition->lock(); + mDataLock->lock(); if (mStatus == RUNNING) { mStatus = QUITTING; } - mRunCondition->unlock(); + mDataLock->unlock(); wake(); } @@ -285,12 +290,12 @@ void LLThread::yield() void LLThread::wake() { - mRunCondition->lock(); + mDataLock->lock(); if(!shouldSleep()) { mRunCondition->signal(); } - mRunCondition->unlock(); + mDataLock->unlock(); } void LLThread::wakeLocked() @@ -481,6 +486,19 @@ LLThreadSafeRefCount::LLThreadSafeRefCount() : { } +LLThreadSafeRefCount::LLThreadSafeRefCount(const LLThreadSafeRefCount& src) +{ + if (sMutex) + { + sMutex->lock(); + } + mRef = 0; + if (sMutex) + { + sMutex->unlock(); + } +} + LLThreadSafeRefCount::~LLThreadSafeRefCount() { if (mRef != 0) @@ -489,6 +507,7 @@ LLThreadSafeRefCount::~LLThreadSafeRefCount() } } + //============================================================================ LLResponder::~LLResponder() diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h index b52e70ab2e..892e144911 100644 --- a/indra/llcommon/llthread.h +++ b/indra/llcommon/llthread.h @@ -97,6 +97,7 @@ private: protected: std::string mName; LLCondition* mRunCondition; + LLMutex* mDataLock; apr_thread_t *mAPRThreadp; apr_pool_t *mAPRPoolp; @@ -122,15 +123,15 @@ protected: inline void unlockData(); // This is the predicate that decides whether the thread should sleep. - // It should only be called with mRunCondition locked, since the virtual runCondition() function may need to access + // It should only be called with mDataLock locked, since the virtual runCondition() function may need to access // data structures that are thread-unsafe. bool shouldSleep(void) { return (mStatus == RUNNING) && (isPaused() || (!runCondition())); } // To avoid spurious signals (and the associated context switches) when the condition may or may not have changed, you can do the following: - // mRunCondition->lock(); + // mDataLock->lock(); // if(!shouldSleep()) // mRunCondition->signal(); - // mRunCondition->unlock(); + // mDataLock->unlock(); }; //============================================================================ @@ -205,12 +206,12 @@ private: void LLThread::lockData() { - mRunCondition->lock(); + mDataLock->lock(); } void LLThread::unlockData() { - mRunCondition->unlock(); + mDataLock->unlock(); } @@ -227,15 +228,26 @@ public: private: static LLMutex* sMutex; -private: - LLThreadSafeRefCount(const LLThreadSafeRefCount&); // not implemented - LLThreadSafeRefCount&operator=(const LLThreadSafeRefCount&); // not implemented - protected: virtual ~LLThreadSafeRefCount(); // use unref() public: LLThreadSafeRefCount(); + LLThreadSafeRefCount(const LLThreadSafeRefCount&); + LLThreadSafeRefCount&operator=(const LLThreadSafeRefCount& ref) + { + if (sMutex) + { + sMutex->lock(); + } + mRef = 0; + if (sMutex) + { + sMutex->unlock(); + } + } + + void ref() { -- cgit v1.2.3 From 6b0fe3258a43159a0b2751cedae4d36bb9c09436 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 3 Oct 2012 16:02:22 -0500 Subject: Fix for mac/linux build --- indra/llcommon/llthread.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/llcommon') diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h index 892e144911..115bf47553 100644 --- a/indra/llcommon/llthread.h +++ b/indra/llcommon/llthread.h @@ -234,7 +234,7 @@ protected: public: LLThreadSafeRefCount(); LLThreadSafeRefCount(const LLThreadSafeRefCount&); - LLThreadSafeRefCount&operator=(const LLThreadSafeRefCount& ref) + LLThreadSafeRefCount& operator=(const LLThreadSafeRefCount& ref) { if (sMutex) { @@ -245,6 +245,7 @@ public: { sMutex->unlock(); } + return *this; } -- cgit v1.2.3